CN108918758A - Chemically react the CIELAB color space color difference △ E and amount of substance calculation method of spectrum - Google Patents

Chemically react the CIELAB color space color difference △ E and amount of substance calculation method of spectrum Download PDF

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CN108918758A
CN108918758A CN201810840688.2A CN201810840688A CN108918758A CN 108918758 A CN108918758 A CN 108918758A CN 201810840688 A CN201810840688 A CN 201810840688A CN 108918758 A CN108918758 A CN 108918758A
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value
uproar
parameter
chemical reaction
spread out
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王飞
葛娜
何浩
王立杉
邹明强
崔宗岩
王涛
王宇曦
张昂
张妍妍
宁建华
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    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
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    • G01—MEASURING; TESTING
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    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
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    • G01N2201/129—Using chemometrical methods

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Abstract

The invention discloses the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum, the corresponding absorbance value of differential responses object product V value of addition is successively measured the chemical reaction solution in chemical reaction container in visible wavelength range, and is calculated as the corresponding pH value of differential responses object product V value of the color difference △ E synchro measure addition of CIELAB color space, hydrogen ion concentration c[H+]Value, by color difference △ E value, pH value, c[H+]Value calculates corresponding △ E after Noise reducing of dataIt makes an uproarValue, pHIt makes an uproarValue, c[H+] makes an uproarValue, by the △ EIt makes an uproarValue parameter and the differential responses object of addition product V value calculate △ ESpread outValue, and with corresponding pHIt makes an uproarValue, c[H+] makes an uproarValue establishes plane rectangular coordinates curve, realizes the calculation method of chemical reaction synchro measure light spectrum spectral curve measurement, it can be achieved that the automation of chemical reaction measurement, the detection scale of mass detect.

Description

Chemically react the CIELAB color space color difference △ E and amount of substance calculation method of spectrum
Technical field
The present invention relates to field of measuring technique, more particularly to the CIELAB color space color difference △ E and object of chemical reaction spectrum Quality calculation method.
Background technique
It chemically reacts and be unable to do without effects of ion variation, the ingredients of difference chemical reaction are to the absorption of visible light and anti- Difference is penetrated, this variation is related with the chemical structure of chemical component in solution.This patented technology contains in visible-range Continuous spectrum, that precise measurement and the calculating of volume of reagent, reagent addition reagent volume is added in solion, reagent is corresponding PH value, c[H+]Value, by the interference of math equation removal noise, the chemical reaction spectrum for establishing intuitive plane rectangular coordinates becomes Change curve.With the variation of real time spectrum parameter of curve, for understand, observe the process of chemical reaction bring it is a kind of novel and intuitive Detection means.
Currently, the common method of region of chemistry is by single measurement resulting estimate chemical reaction course, measurement accuracy is poor, labor Fatigue resistance is big, method is simple and crude and cumbersome, and reaction catastrophe point cannot be measured with response curve.It there is no both at home and abroad for real-time chromatic value Parameter establish plane rectangular coordinates chemical reaction spectrum change curve to chemical reaction solution process detection, analysis method, This method shows the chemical reaction having an impact to spectrum with intuitive, instant curve in plane coordinate system, uses Derivative parameter △ ESpread outAs ordinate and pH value, c[H+], the volume V of reagent is added is abscissa, establish the derivative ginseng of colour space △ E Several and pH value or c[H+]Or the chemical reaction spectral response curve of the volume V of reagent is added, which may be implemented in real time Measurement and reactive chemistry reactions change, carry out the characterization of chemical form.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the chemical reaction spectrum proposed CIELAB color space color difference △ E and amount of substance calculation method.
To achieve the goals above, present invention employs following technical solutions：
Chemically react the CIELAB color space △ E of spectrum*Value and amount of substance calculation method, calculating step includes：To chemistry Reaction solution measures the absorbance of the corresponding one group of wavelength of differential responses object product V value of addition in visible wavelength range Value calculates color difference △ E (the color difference △ E of CIELAB color space* ab, according to formula OrIt calculates, 2000 total color difference △ E of CIE DE00According to formula△E* abAnd △* 00It is referred to as the present invention Color difference △ E), by this group of △ E Value Data after math equation noise reduction, calculate the △ E of the pointIt makes an uproarParameter, by △ EIt makes an uproarWith add The differential responses object product V value entered calculates △ EIt makes an uproarDerivative parameter △ ESpread out, the long-pending V value of the differential responses object that synchro measure is added PH value is calculated as c by corresponding pH value[H+], by pH value and c[H+]Data are pH after math equation noise reductionIt makes an uproarValue and c[H+] makes an uproar, It again will derivative parameter △ ESpread outBy the long-pending V value sequence of the differential responses object of addition and corresponding pH valueIt makes an uproar、c[H+] makes an uproarEstablish flat square Coordinate system, the curve in the plane right-angle coordinate are to chemically react CIELAB color space △ ESpread outParameter and addition reactant Volume V value, the pH value, ion concentration c of product V synchro measure[H+]Material property amount coordinate curve；
S01：According to the absorbance value of the xth point measurement of the differential responses object of addition product V value, the ginseng of the measurement point is calculated Several △ ExIt is worth, wherein x=1,2,3 ...；
S02：According to the absorbance value of the y point measurement of the differential responses object of addition product V value, the measurement point is calculated △EyIt is worth, wherein y=2,3,4 ...；
S03：The pH measured according to xth pointxValue, wherein x=1,2,3 ..., calculate the c of the measurement point[H+](mo/)xValue, Middle x=1,2,3 ...；
S04：The pH measured according to y pointyValue, wherein y=2,3,4 ..., calculate the c of the measurement point[H+]yIt is worth, wherein y= 2,3,4 ...；
S05：Successively by the △ E of acquisitionxValue, △ EyValue, pHxValue, pHyValue, c[H+]xValue, c[H+]yValue is dropped by math equation Make an uproar the △ E after being calculated as noise reductionX makes an uproarValue, △ EY makes an uproarValue, pHX makes an uproarValue, pHY makes an uproar、c[H+] x makes an uproarValue, c[H+] y makes an uproarValue.
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ En/Vm, △ En/Vm=│ △ EMake an uproar x n/Vm│, Wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ En/△Vm, △ En/△Vm=│ △ EMake an uproar x n/ (Vx-Vy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ En/pHm, △ En/pHm=│ △ EMake an uproar x n/ pHm│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ En/△pHm, △ En/△pHm=│ △ EMake an uproar x n/(pHx-pHy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ En/c[H+] m, △ En/c[H+] m=│ △ EMake an uproar x n/c[H+] x makes an uproar m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ En/△c[H+] m, △ △ En/△c[H+] m= │△EMake an uproar x n/(c[H+] x makes an uproar-c[H+] x makes an uproarValue)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3, 4 ...,
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ △ En/Vm, △ △ En/Vm=│ (△ EMake an uproar x- △EMake an uproar y)n/Vm│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ △ En/△Vm, △ △ En/△Vm=│ (△EMake an uproar x-△EMake an uproar y)n/(Vx-Vy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ △ En/pHm, △ △ En/pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/pHm│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ △ En/△pHm, △ △ En/△pHm=│ (△EMake an uproar x-△EMake an uproar y)n/(pHx-pHy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3, 4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ △ En/c[H+] m, △ △ En/c[H+] m=│ (△EMake an uproar x-△EMake an uproar y)n/c[H+] x makes an uproar m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
Preferably, parameter △ E derived from △ E parameter is calculated according to the following formulaSpread out△ △ En/△c[H+] m, △ △ En/△c[H+] m =│ (△ EMake an uproar x-△EMake an uproar y)n/(c[H+] x makes an uproar-c[H+] x makes an uproarValue)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；y =2,3,4 ...,.
The beneficial effects of the invention are as follows：The present invention realizes the calculation method of chemical reaction curve of spectrum measurement, realizes Chemically react the foundation of the curve of spectrum, measurement accuracy is high, calculate step it is simple, it can be achieved that the automation of chemical reaction measurement, The detection scale of mass detects.
Detailed description of the invention
Fig. 1 is △ E*3/V3The chemical reaction curve of spectrum of-V；
Fig. 2 is △ E*3/V3The chemical reaction curve of spectrum of-pH；
Fig. 3 is △ E*3/V3-c[H+]The chemical reaction curve of spectrum；
Fig. 4 is △ E*3/△V3The chemical reaction curve of spectrum of-V；
Fig. 5 is △ E*3/△V3Value-pH value chemical reaction curve of spectrum；
Fig. 6 is △ E*3/△V3Value -- c[H+]The chemical reaction curve of spectrum of value；
Fig. 7 is △ E*3/pH3The chemical reaction curve of spectrum of-V；
Fig. 8 is △ E*3/△pH3The chemical reaction curve of spectrum of-pH；
Fig. 9 is △ E*3/pH3--c[H+]The chemical reaction curve of spectrum；
Figure 10 is △ E*3/△pH3The chemical reaction curve of spectrum of-V；
Figure 11 is △ E*3/△pH3Value-pH value chemical reaction curve of spectrum；
Figure 12 is △ E*3/△pH3Value-c[H+]The chemical reaction curve of spectrum of value；
Figure 13 is △ E*3/c[H+] 3The chemical reaction curve of spectrum of-V；
Figure 14 is △ E*3/c[H+] 3The chemical reaction curve of spectrum of-pH；
Figure 15 is △ E*3/c[H+] 3-c[H+]The chemical reaction curve of spectrum；
Figure 16 is △ E*3/△c[H+] 3The chemical reaction curve of spectrum of-V；
Figure 17 is △ E*3/△c[H+] 3The chemical reaction curve of spectrum of-pH；
Figure 18 is △ E*3/△c[H+] 3-c[H+]The chemical reaction curve of spectrum；
Figure 19 is △ △ E*3/V3The chemical reaction curve of spectrum of-V；
Figure 20 is △ △ E*3/V3The chemical reaction curve of spectrum of-pH；
Figure 21 is △ △ E*3/V3-c[H+]The chemical reaction curve of spectrum；
Figure 22 is △ △ E*3/△V3The chemical reaction curve of spectrum of-V；
Figure 23 is △ △ E*3/△V3Value-pH value chemical reaction curve of spectrum；
Figure 24 is △ △ E*3/△V3Value -- c[H+]The chemical reaction curve of spectrum of value；
Figure 25 is △ △ E*3/pH3The chemical reaction curve of spectrum of-V；
Figure 26 is △ △ E*3/△pH3The chemical reaction curve of spectrum of-pH；
Figure 27 is △ △ E*3/pH3--c[H+]The chemical reaction curve of spectrum；
Figure 28 is △ △ E*3/△pH3The chemical reaction curve of spectrum of-V；
Figure 29 is △ △ E*3/△pH3Value-pH value chemical reaction curve of spectrum；
Figure 30 is △ △ E*3/△pH3Value-c[H+]The chemical reaction curve of spectrum of value；
Figure 31 is △ △ E*3/c[H+] 3The chemical reaction curve of spectrum of-V；
Figure 32 is △ △ E*3/c[H+] 3The chemical reaction curve of spectrum of-pH；
Figure 33 is △ △ E*3/c[H+] 3-c[H+]The chemical reaction curve of spectrum；
Figure 34 is △ △ E*3/△c[H+] 3The chemical reaction curve of spectrum of-V；
Figure 35 is △ △ E*3/△c[H+] 3The chemical reaction curve of spectrum of-pH；
Figure 36 is △ △ E*3/△c[H+] 3-c[H+]The chemical reaction curve of spectrum.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
- Figure 36 referring to Fig.1 chemically reacts the CIELAB color space △ E value and amount of substance calculation method of spectrum, calculates step Suddenly include：
S01：It is anti-that the difference being added is measured the chemical reaction solution in chemical reaction container in visible wavelength range Answer object product V value sequence n, n+1 (n=∞), identical wavelength interval △ λ one group of wavelength absorbance value Abs；
S02：The absorbance value Abs of this group of wavelength is calculated as to the △ E value of the colour space；
S03：The absorbance value of this group of wavelength is calculated as to the △ E value of the colour space；
S04：By the △ E value group data after math equation noise reduction, the △ E of the point is calculatedIt makes an uproarParameter；
S05：Successively measure the volume of the addition reagent of differential responses object product V value n, n+1 (n=∞) measurement point of addition V value；
S06：Successively measure the pH value of differential responses object product V value n, n+1 (n=∞) measurement point of addition；
S07：By the pH value group data after math equation noise reduction, the pH of the point is calculatedIt makes an uproarParameter；
S08：By pHIt makes an uproarParameter conversion is c[H+]The molar concentration moL/L of value；
S09：The sequence for the differential responses object product V value being added according to measurement is by △ EMake an uproar n、△EMake an uproar n+1The △ E of (n=∞)It makes an uproarGinseng Number calculates the derivative parameter △ E of chemical spectrum with the volume V value that reagent is addedSpread out；
S10：By the △ E of the calculating of sequence n, n+1, n+x (x=∞) of the differential responses object product V value being added by measurementIt makes an uproar Derivative parameter △ ESpread outWith corresponding pH value, plane plane right-angle coordinate is established, the curve in the plane right-angle coordinate is For the chemical reaction curve of spectrum that abscissa is pH value；
S11：By the △ E of the calculating of sequence n, n+1, n+x (x=∞) of the differential responses object product V value being added by measurementIt makes an uproar Derivative parameter and corresponding volume V value, establish plane right-angle coordinate, the curve in the plane right-angle coordinate is horizontal seat It is designated as that the chemical reaction curve of spectrum of reagent volume V is added.
S12：By the pH of the calculating of sequence n, n+1, n+x (x=∞) of the differential responses object product V value being added by measurementIt makes an uproar Derivative parameter and corresponding volume V value, establish plane right-angle coordinate, the curve in the plane right-angle coordinate is horizontal seat It is designated as that the chemical reaction curve of spectrum of reagent volume V is added.
S13：By the calculating of sequence n, n+1, n+x (x=∞) of the differential responses object product V value being added by measurement c[H+] makes an uproarDerivative parameter and corresponding volume V value, establish plane right-angle coordinate, the curve in the plane right-angle coordinate is It is the chemical reaction curve of spectrum that reagent volume V is added for abscissa.
In the present embodiment, when measurement, water is used to carry out the blank correction of absorbance measuring device as blank reference solution, and It will be added in chemical reaction container and be placed in absorbance measuring device afterwards, chemical reaction solution is added, then with wavelength interval △ λ For one group of wavelength of 5nm, measurement wavelength 380nm~760nm.
It is calculated using computer, it is computer program that the calculating process is compiled using program language, and as should Program is installed in computer.The calculating process includes:
SO1：It uses water to carry out the blank correction of absorbance measuring device as blank reference solution, △ λ in wavelength interval is set It is wavelength 380nm~760nm for 5nm, measurement range；
SO2：110g sodium hydroxide is weighed, 100mL is dissolved in without in the water of carbon dioxide, shakes up, is injected in polyethylene can, Closed placement is limpid to solution.By the specified amount of table 1, supernatant liquor 5.4mL is measured in reagent bottle with plastic tube, with no dioxy The water for changing carbon is diluted to 1000mL, shakes up；
SO3：0.7523g is weighed to be dried in 105 DEG C~110 DEG C electric dry ovens to the working standard reagent O-phthalic of constant Potassium hydrogen phthalate adds 50ml to be dissolved in chemical reaction container without the water of carbon dioxide, and the instructions phenolphthalein solution 2 that concentration is 10g/L is added Drop；
SO4：Chemical reaction container is sent into measuring instrument, measures the corresponding of the sodium hydroxide solution different volumes of addition Absorbance value Abs；
SO5：The absorbance value Abs of the wavelength of the sodium hydroxide solution different volumes V value sequence for the addition that the group is measured It is calculated as the △ E value of the CIELAB color space of corresponding sequence；
SO6：The absorbance value Abs of the wavelength for the different volumes V value sequence that the group measures is calculated as to the color of corresponding sequence The △ E value in space；
S07：By the △ E value group data of different volumes V value sequence after math equation noise reduction, corresponding sequence is calculated △ EIt makes an uproarParameter；
S08：By the △ E of corresponding sequenceIt makes an uproarParameter is calculated as the derivative parameter △ E of chemical spectrum of corresponding sequenceSpread out；
S09：By corresponding this group of pH value data of different volumes V value sequence after math equation noise reduction, calculates and correspond to PHIt makes an uproarParameter；
S10：By pHIt makes an uproarParameter conversion is corresponding c[H+]The molar concentration moL/L of value；
S11：The pH that different volumes V value n, n+1, n+x (x=∞) sequence are calculatedIt makes an uproarDerivative parameter and corresponding volume V Value, establishes plane right-angle coordinate, and the curve in the plane right-angle coordinate is that abscissa is that reagent volume V value is added, indulges Coordinate is the derivative parameter △ E of chemical spectrumSpread outChemical reaction spectrum CIELAB color space curve.
S12：The pH that different volumes V value n, n+1, n+x (x=∞) sequence are calculatedIt makes an uproarDerivative parameter and corresponding pHIt makes an uproarGinseng Numerical value establishes plane right-angle coordinate, and the curve in the plane right-angle coordinate is that abscissa is corresponding for reagent volume V is added PHIt makes an uproarParameter value, ordinate are the derivative parameter △ E of chemical spectrumSpread outChemical reaction spectrum CIELAB color space curve.
S13：The pH that different volumes V value n, n+1, n+x (x=∞) sequence are calculatedIt makes an uproarDerivative parameter and corresponding c[H+] Value, establishes plane rectangular coordinates, and the curve in the plane rectangular coordinates is that abscissa is that the corresponding c of reagent volume V is added[H+] Value, ordinate are the derivative parameter △ E of chemical spectrumSpread outChemical reaction spectrum CIELAB color space curve.
S14：Protrusion peak on plane right-angle coordinate colouring space curve, as in standard solution of sodium hydroxide calibration Titration end-point, the corresponding volume 10.016ml in maximum protrusion peak of the experimental titration is titration end-point volume V；
S15：Blank test is done simultaneously with laboratory sample, the corresponding volume in maximum protrusion peak of the blank test terminal 0.100mL is blank test titration end-point volume V0；
S16：By the titration end-point volume V of blank test0(0.100mL), laboratory sample titration end-point volume V (10.016mL), Potassium Hydrogen Phthalate quality m (0.7525g), Potassium Hydrogen Phthalate molal weight (unit is gram often to rub You are (g/mol) [M(KHC8H4O4)=204.22] calculation formula c) is brought intoNaOH(mol/L) concentration c of sodium hydroxide is calculatedNaOH：cNaOH (mol/L)=(m × 1000)/((V-V0) × M), in formula：M --- Potassium Hydrogen Phthalate quality, unit are gram (g)；V—— Sodium hydroxide solution volume, unit are milliliter (mL)；V0--- blank test consumes sodium hydroxide solution volume, and unit is milliliter (mL)；The molal weight of M --- Potassium Hydrogen Phthalate, unit are gram every mole of (g/mol) [M(KHC8H4O4)=204.22], cNaOH=0.3715mol/L.
Parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object product V value of additionSpread outWith the difference of addition Volume V value, the pH value, c of the corresponding material property amount of reactant volume V value[H+]Value, △ V value, pH △ value, △ c[H+]It is worth foundationization Learn the △ E of reaction CIELAB color spaceSpread outParameter pH value corresponding with reactant volume V or reactant volume V, c[H+]The plane of value Coordinate system curve；
S01：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The differential responses object product V value entered, establishes △ En/Vm- V plane coordinate system curve, ordinate parameter are △ En/Vm=│ △ EMake an uproar x n/ Vx m│ (wherein n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is the differential responses object product V being added Value or its mass figures represented；
S02：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ V of differential responses object product V value entered, establishes △ En/△Vm- V plane coordinate system curve, ordinate parameter are △En/△Vm=│ △ EMake an uproar x n/(Vx-Vy)m│ (wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3, 4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S03：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding pH value of differential responses object product V value entered, establishes △ En/pHm- V plane coordinate system curve, ordinate parameter are △ En/ pHm=│ △ EMake an uproar x n/pHx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is to be added Differential responses object product V value or its mass figures represented；
S04：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ pH value of differential responses object product V value entered, establishes △ En/△pHm- V plane coordinate system curve, ordinate ginseng Number is △ En/△pHm=│ △ EMake an uproar x n/(pHx-pHy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；y =2,3,4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S05：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding c of differential responses object product V value entered[H+]Value, establishes △ En/c[H+] m- V plane coordinate system curve, ordinate parameter are △En/c[H+] m=│ △ EMake an uproar x n/c[H+]x m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa For the differential responses object product V value or its mass figures represented of addition；
S06：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ c of differential responses object product V value entered[H+]Value, establishes △ En/△c[H+] m- V plane coordinate system curve is indulged and is sat Mark parameter is △ En/△c[H+] m=│ △ EMake an uproar x n/(c[H+]x-c[H+]y)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1, 2,3 ...；Y=2,3,4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S07：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The differential responses object product V value entered, establishes △ En/Vm- pH plane coordinate system curve, ordinate parameter are △ En/Vm=│ △ EMake an uproar x n/Vx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is the differential responses being added The corresponding pH of object product V value；
S08：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ V of differential responses object product V value entered, establishes △ En/△Vm- pH plane coordinate system curve, ordinate parameter are △En/△Vm=│ △ EMake an uproar x n/(Vx-Vy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3, 4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S09：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding pH value of differential responses object product V value entered, establishes △ En/pHm- pH plane coordinate system curve, ordinate parameter are △ En/pHm=│ △ EMake an uproar x n/pHx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is to be added The corresponding pH of differential responses object product V value；
S10：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The increment △ pH value of the corresponding pH value of differential responses object product V value entered, establishes △ En/△pHm- pH plane coordinate system curve is indulged Coordinate parameters are △ En/△pHm=│ △ EMake an uproar x n/(pHx-pHy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2, 3 ...；Y=2,3,4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S11：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding c of differential responses object product V value entered[H+]Value, establishes △ En/c[H+] m- pH plane coordinate system curve, ordinate parameter are △En/c[H+] m=│ △ EMake an uproar x n/c[H+]x m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa For the corresponding pH of differential responses object product V value of addition；
S12：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding c of differential responses object product V value entered[H+]The increment △ c of value[H+]Value, establishes △ En/△c[H+] m- pH plane coordinate system is bent Line, ordinate parameter are △ En/△c[H+] m=│ △ EMake an uproar x n/(c[H+]x-c[H+]y)m│ (wherein, n=1,2,3 ...；M=1,2, 3 ...；X=1,2,3 ...；Y=2,3,4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S13：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The differential responses object product V value entered, establishes △ En/Vm-c[H+]Plane coordinate system curve, ordinate parameter are △ En/Vm=│ △ EMake an uproar x n/Vx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is the differential responses being added The corresponding c of object product V value[H+]；
S14：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ V of differential responses object product V value entered, establishes △ En/△Vm-c[H+]Plane coordinate system curve, ordinate parameter For △ En/△Vm=│ △ EMake an uproar x n/(Vx-Vy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3, 4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S15：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding pH value of differential responses object product V value entered, establishes △ En/pHm-c[H+]Plane coordinate system curve, ordinate parameter are △ En/pHm=│ △ EMake an uproar x n/pHx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is to be added The corresponding c of differential responses object product V value[H+]；
S16：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ pH value of differential responses object product V value entered, establishes △ En/△pHm-c[H+]Plane coordinate system curve, ordinate Parameter is △ En/△pHm=│ △ EMake an uproar x n/(pHx-pHy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...； Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S17：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding c of differential responses object product V value entered[H+]Value, establishes △ En/c[H+] m-c[H+]Plane coordinate system curve, ordinate parameter For △ En/Vm=│ E* Make an uproar x n/c[H+]x m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；), abscissa is The corresponding c of differential responses object product V value of addition[H+]；
S18：According to parameter △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith add The corresponding increment △ c of differential responses object product V value entered[H+]Value, establishes △ En/△c[H+] m-c[H+]Plane coordinate system curve is indulged Coordinate parameters are △ En/ △ Vm=│ △ EMake an uproar x n/(c[H+]x-c[H+]y)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1, 2,3 ...；Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S19：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The differential responses object product V value of addition, establishes △ △ En/Vm- V plane coordinate system curve, ordinate parameter are △ △ En/Vm=│ (△EMake an uproar x-△EMake an uproar y)n/Vx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...), it is horizontal Coordinate is the differential responses object product V value being added or its mass figures represented；
S20：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ V of differential responses object product V value of addition, establishes △ △ En/△Vm- V plane coordinate system curve, ordinate ginseng Number is △ △ En/△Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/(Vx-Vy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2, 3 ...；Y=2,3,4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S21：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding pH value of differential responses object product V value of addition, establishes △ △ En/pHm- V plane coordinate system curve, ordinate parameter are △△En/pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/pHx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；y =2,3,4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S22：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ pH value of differential responses object product V value of addition, establishes △ △ En/△pHm- V plane coordinate system curve is indulged and is sat Mark parameter is △ △ En/△pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/(pHx-pHy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；x =1,2,3 ...；Y=2,3,4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S23：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding c of differential responses object product V value of addition[H+]Value, establishes △ △ En/c[H+] m- V plane coordinate system curve, ordinate ginseng Number is △ △ En/Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/c[H+]x m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2, 3 ...；Y=2,3,4 ...), abscissa is the differential responses object product V value being added or its mass figures represented；
S24：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ c of differential responses object product V value of addition[H+]Value, establishes △ △ En/△c[H+] m- V plane coordinate system curve, Ordinate parameter is △ △ En/△c[H+] m=│ (△ EMake an uproar x-△EMake an uproar y)n/(c[H+]x-c[H+]y)m│ (wherein, n=1,2,3 ...；M= 1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...), abscissa is the differential responses object product V value being added or it is represented Mass figures；
S25：According to the corresponding E of sequence of the differential responses object of addition product V value*Parameter △ E derived from parameterSpread outWith addition Differential responses object product V value, establish △ △ En/Vm- pH plane coordinate system curve, ordinate parameter are △ △ En/Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/Vx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...), horizontal seat It is designated as the corresponding pH of the differential responses object being added product V value；
S26：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ V of differential responses object product V value of addition, establishes △ △ En/△Vm- pH plane coordinate system curve, ordinate ginseng Number is △ △ En/△Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/(Vx-Vy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1,2, 3 ...；Y=2,3,4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S27：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding pH value of differential responses object product V value of addition, establishes △ △ En/pHm- pH plane coordinate system curve, ordinate parameter are △△En/pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/pHx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；y =2,3,4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S28：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The increment △ pH value of the corresponding pH value of differential responses object product V value of addition, establishes △ △ En/△pHm- pH plane coordinate system is bent Line, ordinate parameter are △ △ En/△pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/(pHx-pHy)m│ (wherein, n=1,2,3 ...；M=1, 2,3 ...；X=1,2,3 ...；Y=2,3,4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S29：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding c of differential responses object product V value of addition[H+]Value, establishes △ △ En/c[H+] m- pH plane coordinate system curve, ordinate ginseng Number is △ △ En/Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/c[H+]x m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2, 3 ...；Y=2,3,4 ...), abscissa is the corresponding pH of differential responses object product V value being added；
S30：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding c of differential responses object product V value of addition[H+]The increment △ c of value[H+]Value, establishes △ △ En/△c[H+] m- pH plane coordinates It is curve, ordinate parameter is △ △ En/△Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/(c[H+]x-c[H+]y)m│ (wherein, n=1,2, 3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...), abscissa is the differential responses object product V value pair being added The pH answered；
S31：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The differential responses object product V value of addition, establishes △ △ En/Vm-c[H+]Plane coordinate system curve, ordinate parameter are △ △ En/Vm =│ (△ EMake an uproar x-△EMake an uproar y)n/Vx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...；Y=2,3, 4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S32：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ V of differential responses object product V value of addition, establishes △ △ En/△Vm-c[H+]Plane coordinate system curve, ordinate Parameter is △ △ En/△Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/(Vx-Vy)m│ (wherein, n=1,2,3 ...；M=1,2,3 ...；X=1, 2,3 ...；Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S33：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding pH value of differential responses object product V value of addition, establishes △ △ En/pHm-c[H+]Plane coordinate system curve, ordinate parameter For △ △ En/pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/pHx m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2,3 ...； Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S34：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ pH value of differential responses object product V value of addition, establishes △ △ En/△pHm-c[H+]Plane coordinate system curve is indulged Coordinate parameters are △ △ En/△pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/(pHx-pHy)m│ (wherein, n=1,2,3 ...；M=1,2, 3 ...；X=1,2,3 ...；Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S35：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding c of differential responses object product V value of addition[H+]Value, establishes △ △ En/c[H+] m-c[H+]Plane coordinate system curve, ordinate Parameter is △ △ En/Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/c[H+]x m│ (wherein, n=1,2,3 ...；M=0,1,2,3 ...；X=1,2, 3 ...；Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
S36：According to parameter △ △ E derived from the corresponding △ E parameter of sequence of the differential responses object of addition product V valueSpread outWith The corresponding increment △ c of differential responses object product V value of addition[H+]Value, establishes △ △ En/△c[H+] m-c[H+]Plane coordinate system is bent Line, ordinate parameter are △ △ En/△Vm=│ (△ EMake an uproar x-△EMake an uproar y)n/(c[H+]x-c[H+]y)m│ (wherein, n=1,2,3 ...；M= 1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...), abscissa is the corresponding c of differential responses object product V value being added[H+]；
Parameter △ E derived from △ E parameterSpread outPlane coordinate system curve on the corresponding abscissa volume ginseng of maximum protrusion peak value The value for the material property amount that number represents is chemical reaction catastrophe point；
S01：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ E for the material mass parameter that V is representedn/Vm- V plane coordinate system curve, △ En/VmMaximum protrusion on-V plane coordinate system curve The value for the material property amount that the corresponding abscissa volume V of peak value is represented is chemical reaction catastrophe point；
S02：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ E for the material mass parameter that increment △ V is representedn/△Vm- V plane coordinate system curve, △ En/△Vm- V plane coordinate system curve The upper maximum value for protruding the material property amount that the corresponding abscissa volume V of peak value is represented is chemical reaction catastrophe point；
S03：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH parameter corresponding with reactant volume V △ En/pHm- V plane coordinate system curve, △ En/pHmIt is maximum on-V plane coordinate system curve to protrude the corresponding abscissa of peak value The value for the material property amount that volume V is represented is chemical reaction catastrophe point；
S04：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH increment corresponding with reactant volume V △ pH parameter △ En/△pHm- V plane coordinate system curve, △ En/△pHmMaximum protrusion peak on-V plane coordinate system curve It is worth the value for the material property amount that corresponding abscissa volume V is represented to chemically react catastrophe point；
S05：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several △ En/c[H+] m- V plane coordinate system curve, △ En/c[H+] mMaximum protrusion peak value is corresponding on-V plane coordinate system curve The value for the material property amount that abscissa volume V is represented is chemical reaction catastrophe point；
S06：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Increase The △ c of amount[H+]The △ E of parametern/c[H+] m- △ V plane coordinate system curve, △ En/△c[H+] mOn-V plane coordinate system curve most The big value for protruding the material property amount that the corresponding abscissa volume V of peak value is represented is chemical reaction catastrophe point；
S07：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ E for the material mass parameter that V is representedn/Vm- pH plane coordinate system curve, △ En/VmIt is maximum convex on-pH plane coordinate system curve The value for the material property amount that pH value represents on the corresponding abscissa of peak value out is chemical reaction catastrophe point；
S08：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ E for the material mass parameter that increment △ V is representedn/△Vm- pH plane coordinate system curve, △ En/△Vm- pH plane coordinate system is bent The maximum value for protruding the material property amount that pH value represents on the corresponding abscissa of peak value is chemical reaction catastrophe point on line；
S09：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH parameter corresponding with reactant volume V △ En/pHm- pH plane coordinate system curve, △ En/pHmIt is maximum on-pH plane coordinate system curve to protrude the corresponding horizontal seat of peak value The value for the material property amount that pH value represents is put on to chemically react catastrophe point；
S10：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH increment corresponding with reactant volume V △ pH parameter △ En/△pHm- pH plane coordinate system curve, △ En/△pHmMaximum protrusion on-pH plane coordinate system curve The value for the material property amount that pH value represents on the corresponding abscissa of peak value is chemical reaction catastrophe point；
S11：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several △ En/c[H+] m- pH plane coordinate system curve, △ En/c[H+] mMaximum protrusion peak value is corresponding on-pH plane coordinate system curve Abscissa on the value of material property amount that represents of pH value to chemically react catastrophe point；
S12：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Increase The △ c of amount[H+]The △ E of parametern/△c[H+] m- pH plane coordinate system curve, △ En/△c[H+] mOn-pH plane coordinate system curve The value for the material property amount that pH value represents on the corresponding abscissa of maximum protrusion peak value is chemical reaction catastrophe point；
S13：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ E for the material mass parameter that V is representedn/Vm-c[H+]Plane coordinate system curve, △ En/Vm-c[H+]On plane coordinate system curve most It is big to protrude c on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S14：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outWhat parameter and reactant dilatation △ V were represented The △ E of material mass parametern/△Vm-c[H+]Plane coordinate system curve, △ En/△Vm-c[H+]It is maximum convex on plane coordinate system curve C on the corresponding abscissa of peak value out[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S15：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH parameter corresponding with reactant volume V △ En/pHm-c[H+]Plane coordinate system curve, △ En/pHm-c[H+]It is maximum on plane coordinate system curve to protrude the corresponding cross of peak value C on coordinate[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S16：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH increment corresponding with reactant volume V △ pH parameter △ En/△pHm-c[H+]Plane coordinate system curve, △ En/△pHm-c[H+]It is maximum convex on plane coordinate system curve C on the corresponding abscissa of peak value out[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S17：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several △ En/c[H+] m-c[H+]Plane coordinate system curve, △ En/c[H+] m-c[H+]Maximum protrusion peak value on plane coordinate system curve C on corresponding abscissa[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S18：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several increment △ c[H+]△ En/△c[H+] m-c[H+]Plane coordinate system curve, △ En/△c[H+] m-c[H+]Plane coordinate system curve Upper maximum protrudes c on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S19：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ △ E for the material mass parameter that V is representedn/Vm- V plane coordinate system curve, △ △ En/VmIt is maximum on-V plane coordinate system curve The value for the material property amount that the corresponding abscissa volume V of protrusion peak value is represented is chemical reaction catastrophe point；
S20：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ △ E for the material mass parameter that increment △ V is representedn/△Vm- V plane coordinate system curve, △ △ En/△Vm- V plane coordinate system The maximum value for protruding the material property amount that the corresponding abscissa volume V of peak value is represented is chemical reaction catastrophe point on curve；
S21：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH parameter corresponding with reactant volume V △ △ En/pHm- V plane coordinate system curve, △ △ En/pHmIt is maximum on-V plane coordinate system curve to protrude the corresponding cross of peak value The value for the material property amount that coordinate volume V is represented is chemical reaction catastrophe point；
S22：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH increment corresponding with reactant volume V △ pH parameter △ △ En/△pHm- V plane coordinate system curve, △ △ En/△pHmIt is maximum convex on-V plane coordinate system curve The value for the material property amount that the corresponding abscissa volume V of peak value is represented out is chemical reaction catastrophe point；
S23：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several △ △ En/c[H+] m- V plane coordinate system curve, △ △ En/c[H+] mMaximum protrusion peak value pair on-V plane coordinate system curve The value for the material property amount that the abscissa volume V answered is represented is chemical reaction catastrophe point；
S24：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Increase The △ c of amount[H+]The △ △ E of parametern/c[H+] m- △ V plane coordinate system curve, △ △ En/△c[H+] m- V plane coordinate system curve The upper maximum value for protruding the material property amount that the corresponding abscissa volume V of peak value is represented is chemical reaction catastrophe point；
S25：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ △ E for the material mass parameter that V is representedn/Vm- pH plane coordinate system curve, △ △ En/VmOn-pH plane coordinate system curve most The big value for protruding the material property amount that pH value represents on the corresponding abscissa of peak value is chemical reaction catastrophe point；
S26：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ △ E for the material mass parameter that increment △ V is representedn/△Vm- pH plane coordinate system curve, △ △ En/△Vm- pH plane coordinates It is that maximum protrudes the value for the material property amount that pH value represents on the corresponding abscissa of peak value to chemically react catastrophe point on curve；
S27：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH parameter corresponding with reactant volume V △ △ En/pHm- pH plane coordinate system curve, △ △ En/pHmMaximum protrusion peak value is corresponding on-pH plane coordinate system curve The value for the material property amount that pH value represents on abscissa is chemical reaction catastrophe point；
S28：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH increment corresponding with reactant volume V △ pH parameter △ △ En/△pHm- pH plane coordinate system curve, △ △ En/△pHmIt is maximum on-pH plane coordinate system curve The value for the material property amount that pH value represents on the corresponding abscissa of protrusion peak value is chemical reaction catastrophe point；
S29：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several △ △ En/c[H+] m- pH plane coordinate system curve, △ △ En/c[H+] mMaximum protrusion peak value on-pH plane coordinate system curve The value for the material property amount that pH value represents on corresponding abscissa is chemical reaction catastrophe point；
S30：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Increase The △ c of amount[H+]The △ △ E of parametern/△c[H+] m- pH plane coordinate system curve, △ △ En/△c[H+] m- pH plane coordinate system is bent The maximum value for protruding the material property amount that pH value represents on the corresponding abscissa of peak value is chemical reaction catastrophe point on line；
S31：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter and reactant volume V or reactant volume The △ △ E for the material mass parameter that V is representedn/Vm-c[H+]Plane coordinate system curve, △ △ En/Vm-c[H+]Plane coordinate system curve Upper maximum protrudes c on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S32：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outWhat parameter and reactant dilatation △ V were represented The △ △ E of material mass parametern/△Vm-c[H+]Plane coordinate system curve, △ △ En/△Vm-c[H+]On plane coordinate system curve most It is big to protrude c on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S33：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH parameter corresponding with reactant volume V △ △ En/pHm-c[H+]Plane coordinate system curve, △ △ En/pHm-c[H+]Maximum protrusion peak value is corresponding on plane coordinate system curve Abscissa on c[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S34：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter pH increment corresponding with reactant volume V △ pH parameter △ △ En/△pHm-c[H+]Plane coordinate system curve, △ △ En/△pHm-c[H+]On plane coordinate system curve most It is big to protrude c on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S35：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several △ △ En/c[H+] m-c[H+]Plane coordinate system curve, △ △ En/c[H+] m-c[H+]Maximum protrusion on plane coordinate system curve C on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point；
S36：Spectrum CIELAB color space △ E is chemically reacted according to establishingSpread outParameter c corresponding with reactant volume V[H+]Ginseng Several increment △ c[H+]△ △ En/△c[H+] m-c[H+]Plane coordinate system curve, △ △ En/△c[H+] m-c[H+]Plane coordinate system It is maximum on curve to protrude c on the corresponding abscissa of peak value[H+]The value of the material property amount represented is chemical reaction catastrophe point.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should all cover within the protection scope of invention.

Claims (14)

1. chemically reacting the CIELAB color space △ E value and amount of substance calculation method of spectrum, which is characterized in that calculating step includes： The extinction of the differential responses object product V value corresponding one group wavelength of addition is measured chemical reaction solution in visible wavelength range Angle value calculates color difference △ E (the color difference △ E of CIELAB color space* ab, according to formulaOr PersonIt calculates, 2000 total color difference △ E of CIE DE00According to formulaIt calculates, △ E* abAnd △* 00It is referred to as this The color difference △ E of the CIELAB color space of invention), by the data of this group of △ E value after math equation noise reduction, calculate the point △EIt makes an uproarParameter, by △ EIt makes an uproar△ E is calculated with the differential responses object product V value of additionIt makes an uproarDerivative parameter △ ESpread out, synchro measure addition The corresponding pH value of differential responses object product V value, pH value is calculated as hydrogen ion concentration c[H+], by pH value and c[H+]Data are passed through It is pH after math equation noise reductionIt makes an uproarValue and c[H+] makes an uproar, then will derivative parameter △ ESpread outBy addition differential responses object product V value sequence with Corresponding pH valueIt makes an uproar、c[H+] makes an uproarPlane right-angle coordinate is established, the curve in the plane right-angle coordinate is to chemically react CIELAB color space △ ESpread outParameter and volume V value, the pH value, ion concentration c that reactant volume V synchro measure is added[H+]Object The coordinate curve of matter characteristic quantity；
S01：According to the absorbance value of the xth point measurement of the differential responses object of addition product V value, the parameter of the measurement point is calculated △ExIt is worth, wherein x=1,2,3 ...；
S02：According to the absorbance value of the y point measurement of the differential responses object of addition product V value, the △ E of the measurement point is calculatedy It is worth, wherein y=2,3,4 ...；
S03：The pH measured according to xth pointxValue, wherein x=1,2,3 ..., calculate the c of the measurement point[H+](mo/)xIt is worth, wherein x =1,2,3 ...；
S04：The pH measured according to y pointyValue, wherein y=2,3,4 ..., calculate the c of the measurement point[H+]yIt is worth, wherein y=2,3, 4 ...；
S05：Successively by the △ E of acquisitionxValue, △ EyValue, pHxValue, pHyValue, c[H+]xValue, c[H+]yValue passes through math equation noise reduction meter It calculates as the △ E after noise reductionX makes an uproarValue, △ EY makes an uproarValue, pHX makes an uproarValue, pHY makes an uproar、c[H+] x makes an uproarValue, c[H+] y makes an uproarValue.
2. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ En/Vm, △ En/Vm=│ △ EMake an uproar x n/Vm│, wherein n =1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；
3. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ En/△Vm, △ En/△Vm=│ △ EMake an uproar x n/(Vx-Vy )m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
4. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ En/pHm, △ En/pHm=│ △ EMake an uproar x n/pHm│, In, n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；
5. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ En/△pHm, △ En/△pHm=│ △ EMake an uproar x n/ (pHx-pHy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
6. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ En/c[H+] m, △ En/c[H+] m=│ △ EMake an uproar x n/ c[H+] x makes an uproar m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；
7. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ En/△c[H+] m, △ △ En/△c[H+] m=│ △ EMake an uproar x n/(c[H+] x makes an uproar-c[H+] x makes an uproarValue)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,
8. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/Vm, △ △ En/Vm=│ (△ EMake an uproar x-△EMake an uproar y )n/Vm│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
9. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculates parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/Vm, △ △ En/Vm=│ (△ EMake an uproar x-△EMake an uproar y )n/Vm│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
10. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculating parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/△Vm, △ △ En/△Vm=│ (△ EMake an uproar x- △EMake an uproar y)n/(Vx-Vy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
11. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculating parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/pHm, △ △ En/pHm=│ (△ EMake an uproar x-△ EMake an uproar y)n/pHm│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
12. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculating parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/△Vm, △ △ En/△pHm=│ (△ EMake an uproar x-△EMake an uproar y)n/(pHx-pHy)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
13. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculating parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/c[H+] m, △ △ En/c[H+] m=│ (△ EMake an uproar x-△EMake an uproar y)n/c[H+] x makes an uproar m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y=2,3,4 ...,；
14. the CIELAB color space color difference △ E and amount of substance calculation method of chemical reaction spectrum according to claim 1, It is characterized in that, calculating parameter △ E derived from △ E parameter according to the following formulaSpread out△ △ En/△c[H+] m, △ △ En/△c[H+] m=│ (△EMake an uproar x-△EMake an uproar y)n/(c[H+] x makes an uproar-c[H+] x makes an uproarValue)m│, wherein n=1,2,3 ...；M=1,2,3 ...；X=1,2,3 ...；Y= 2,3,4 ...,.
CN201810840688.2A 2018-07-27 2018-07-27 Chemically react the CIELAB color space color difference △ E and amount of substance calculation method of spectrum Pending CN108918758A (en)

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