CN105928886A - Rapid detection reagent and method for adsorptivity of biomass charcoal material - Google Patents
Rapid detection reagent and method for adsorptivity of biomass charcoal material Download PDFInfo
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- CN105928886A CN105928886A CN201610242897.8A CN201610242897A CN105928886A CN 105928886 A CN105928886 A CN 105928886A CN 201610242897 A CN201610242897 A CN 201610242897A CN 105928886 A CN105928886 A CN 105928886A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
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Abstract
The invention relates to a rapid detection reagent and method for adsorptivity of a biomass charcoal material. Rapid determination technology for the adsorptivity of the biomass charcoal material has not been disclosed in the prior art. The detection reagent provided by the invention has the characteristic that every 100 g of the detection reagent contains 60 to 75 g of ethanol and 0.005 to 0.02 g of bromocresol green, with the balance being water. The detection method is characterized by comprising the following steps: (1) weighing known parts of a charcoal material, mixing each part of the charcoal material with 5 mL of the detection reagent so as to obtain corresponding parts of a reaction solution, determining the values L*, a* and b* of each part of the reaction solution by using a color difference meter and preparing a colorimetric card; (2) mixing a biomass charcoal material sample with the detection reagent, carrying out ultrasonic treatment for 3 min and then carrying out filtering so as to obtain a solution; and (3) directly comparing the solution with the colorimetric card and directly estimating the adsorptivity of the biomass charcoal material sample. The rapid detection reagent is simple in composition and can realize cheap and rapid determination of the adsorptivity of the biomass charcoal material.
Description
Technical field
The present invention relates to a kind of biomass carbon material absorption property quick detection reagent and detection method, be exclusively used in quickly inspection
Survey biomass raw material of wood-charcoal absorption property.
Background technology
Contemporary society, environmental problem increasingly causes the attention of people, biomass carbon material to be the preferable materials of air cleaning
Material, and biomass carbon material absorption property directly determines its size to air-filtering ability, existing biomass carbon material is inhaled
Attached performance measurement method mainly has following two big classes.
One class is to utilize specific surface area adsorption instrument to characterize Carbon Materials absorption property.The advantage of this kind of method is: survey
Amount accurately, can characterize isothermal adsorption and the desorption curve of Carbon Materials；Shortcoming is: the instrument price of specific surface area adsorption instrument is the most high
Expensive, and in testing, need liquid nitrogen that test quartz ampoule is cooled down, need test material uninterruptedly poured nitrogen, one simultaneously
The test sample time needs more than 20 hours, and as plus the sample preprocessing time, the whole mensuration cycle, it was tested more than 1 day
Process is time-consuming, expensive and laborious.
Another kind of method is general chemistry method for measuring, and the one as disclosed in GB GB/T12496.8-1999 is wooden
The mensuration of activated-carbon test method iodine sorption value.The advantage of the method is: simpler than Instrument measuring condition, and measurement result is the most more
Accurately；But chemical reagent conditions of mixture ratios is relatively complicated in such method, need to stand 2 weeks after preparing such as hypo solution, and
Soluble starch indicator then needs Extemporaneous before use, and biomass carbon material needs to be crushed to 71um, additionally before testing
Test result needs in correction coefficient correction is interval, as outside correction interval, then needs to adjust test sample according to result many
Re-starting mensuration less, until test result falls in the correction interval of correction coefficient, a sample test process at least needs
More than half an hour, and test process is relatively complicated.
In daily life and production, the absorption property of biological carbon materials is often not required to carry out exactly accurate survey
Fixed, but need quickly to know its adsorptive section substantially.And in existing disclosed patent and be not disclosed for biology
The technology that matter charcoal absorption property quickly measures, the most quickly carries out cheap, fast to the absorption property of biomass carbon material
The mensuration of speed, is the technology being badly in need of researching and solving.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency present in prior art, and provide a kind of component simple, produce
Low cost, can directly read test result by colorimetric card comparison, carry out cheap, quick to the absorption property of biomass carbon material
The biomass carbon material absorption property quick detection reagent measured and detection method.
The present invention solves the problems referred to above and be the technical scheme is that this biomass carbon material absorption property quickly detects examination
The feature of agent is: in every 100 grams of detectable, and containing 60-75 gram of ethanol, 0.005-0.02 gram of bromocresol green, surplus is water.
As preferably, water of the present invention is deionized water.
A kind of biomass carbon material absorption property method for quick, its feature is: use detectable to detect,
The step of described detection method is as follows:
(1) colorimetric card making step: peek part Carbon Materials respectively mix with 5mL detectable, in ultrasonic device ultrasonic 3 minutes with
Accelerating saturated adsorption rate, be filtrated to get several parts of corresponding reactant liquors, the weight of several parts of Carbon Materials is 1 gram and absorption property is equal
It is known, but the absorption property of several parts of Carbon Materials is different, determine several parts of reactant liquors by colour difference meter respective
L*、a*And b*Value, then by L*、a*And b*Value is reduced into colour atla, prepares the colorimetric card corresponding to Carbon Materials difference absorption property；
(2) sample detecting step: take 1 gram of biomass carbon material sample and the mixing of 5mL detectable, in ultrasonic device ultrasonic 3
Minute to accelerate saturated adsorption rate, it is filtrated to get solution；
(3) colorimetric step: the colorimetric card that solution step (2) obtained directly obtains with step (1) is compared, according to colorimetric
On card, numerical value corresponding to same or like color directly estimates the absorption property of biomass carbon material sample.
As preferably, the Carbon Materials in step of the present invention (1) is biomass Carbon Materials.
As preferably, the filtration in step of the present invention (1) and step (2) all uses filter paper to filter.
As preferably, step of the present invention (1) and step (2) all use 200W ultrasonic machine to carry out ultrasonic.
As preferably, in step of the present invention (1), determine the several parts of respective L of reactant liquor by colour difference meter*、
a*、b*、C*With h value.
As preferably, present invention additionally comprises step (4), the content of described step (4) is: step (2) and step (3) circulation
Operation, with the absorption property of the different biomass carbon material sample of detection.
As preferably, in step of the present invention (1), several parts of Carbon Materials more than four parts.
The present invention compared with prior art, has the following advantages and effect: (1) response speed is fast, owing to drawing in ultrasonic
Concussion technology, makes originally to need to shorten to 3 minutes in the shaking table concussion time of more than 15 minutes.(2) reaction result readability is strong,
This biomass carbon absorption property measure reagent measurement result be not simple by stock solution color by being deep to shallow process, but deposit
The greenest by Huang, then to indigo plant until colourless complexion changed process, colour gamut changing value is relatively big, very clear with colorimetric card comparison.(3) anti-
Result should be not required to conversion, testing result separating degree can be changed by the content of change bromocresol green according to the actual requirements, separates
Spend and the highest can reach iodine sorption value 100mg/g.(4) raw material is easy to get, and preparation technology is simple, and production cost is low.(5) detectable
Stable, harmless to human body low toxicity.(6) owing to, in daily life and production, the absorption property of biomass carbon material is the most not
Needing to carry out exactly accurate mensuration, but need quickly to know its adsorptive section substantially, the present invention is according to colorimetric
The precision of the testing result that card directly estimates is sufficient for the demand of daily life and production, it is achieved that to biomass carbon material
Absorption property carry out the purpose of mensuration cheap, quick.
Detailed description of the invention
Below by embodiment, the present invention is described in further detail, following example be explanation of the invention and
The invention is not limited in following example.
Embodiment 1.
Biomass carbon material absorption property quick detection reagent in the present embodiment is made up of ethanol, bromocresol green and water,
In every 100 grams of detectable, containing 60-75 gram of ethanol, 0.005-0.02 gram of bromocresol green, surplus is water.Water usually go from
Sub-water.
The component table of 1:100 gram of biomass carbon material absorption property quick detection reagent of table
| Sequence number | Ethanol (gram) | Bromocresol green (gram) | Deionized water (gram) |
| 1 | 60 | 0.015 | Surplus |
| 2 | 72 | 0.013 | Surplus |
| 3 | 62 | 0.005 | Surplus |
| 4 | 67.5 | 0.019 | Surplus |
| 5 | 75 | 0.008 | Surplus |
| 6 | 68 | 0.01 | Surplus |
| 7 | 73 | 0.017 | Surplus |
| 8 | 70 | 0.02 | Surplus |
| 9 | 67 | 0.012 | Surplus |
| 10 | 64 | 0.007 | Surplus |
Biomass carbon material absorption property method for quick in the present embodiment uses detectable to detect, detection method
Step as follows.
(1) colorimetric card making step: peek part Carbon Materials respectively mixes with 5mL detectable, in ultrasonic device ultrasonic 3 points
Clock, to accelerate saturated adsorption rate, is filtrated to get several parts of corresponding reactant liquors, and the weight of several parts of Carbon Materials is 1 gram and adsorptivity
Can be all known, but the absorption property of several parts of Carbon Materials is different, determine several parts of reactant liquor each phases by colour difference meter
The L answered*、a*And b*Value, then by L*、a*And b*Value is reduced into colour atla, prepares the colorimetric corresponding to Carbon Materials difference absorption property
Card.
(2) sample detecting step: take 1 gram of biomass carbon material sample and the mixing of 5mL detectable is super in ultrasonic device
Sound is filtrated to get solution to accelerate saturated adsorption rate in 3 minutes.
(3) colorimetric step: the colorimetric card that solution step (2) obtained directly obtains with step (1) is compared, according to
On colorimetric card, numerical value corresponding to same or like color directly estimates the absorption property of biomass carbon material sample.
Under normal circumstances, the Carbon Materials in step (1) is biomass Carbon Materials.Filtration in step (1) and step (2) is equal
Filter paper is used to filter.Step (1) and step (2) all use 200W ultrasonic machine to carry out ultrasonic.In step (1), pass through
Colour difference meter determines the several parts of respective L of reactant liquor*、a*、b*、C*With h value.In step (1), several parts of Carbon Materials are at four parts
Above.
The present embodiment can also include that step (4), the content of step (4) are: step (2) and step (3) circulation operation, with
The absorption property of the different biomass carbon material sample of detection.
In the present embodiment, the component of detectable is simple, and production cost is low, and test result is directly read by colorimetric card,
Quick and easy, detection efficiency is the highest.
The every 100 grams of biomass carbon absorption properties of the present invention measure in reagent, containing 70 grams of ethanol, 0.005-0.02 gram of bromine first
Phenol is green, and surplus is deionized water, so that the component of detectable is simple, production cost is low, and harmless to human body low toxicity.Examination
Agent test system is that 1 gram of biomass carbon material sample adds 5mL detectable, and in order to accelerate saturated adsorption rate, the present invention will give birth to
Material Carbon Materials sample adds after detectable, in ultrasonic device ultrasonic 3 minutes, obtains solution by filter paper filtering subsequently.
Early stage colorimetric card makes, and reacts, by the Carbon Materials of known different adsorptivities, the reaction that acquisition is different from detectable
Liquid, and determine its corresponding L by colour difference meter* a* b*Value, can become colour atla by color reduction software back, prepare not
With the colorimetric card that absorption property is corresponding, result comparison during convenient test.
Embodiment 2.
Biomass carbon material absorption property quick detection reagent in the present embodiment is by ethanol, bromocresol green and deionized water
Composition, every 100 grams of detectable contain 70 grams of ethanol, and 0.005 gram of bromocresol green, surplus is deionized water.
It is as shown in table 2 to the absorption colorimetric card of different absorption property Carbon Materials, biological carbon materials iodine absorption property 0 to
Between 500mg/g, discrimination is that the biomass carbon material of 100mg/g can directly obtain big to result by sample colorimetric.Whole
Individual process is that whole process was as follows less than 6 minutes: 1 gram of biomass carbon sample+5mL detectable ultrasonic vibration 3 minutes, vertical
I.e. filter paper filtering can carry out colorimetric with colorimetric card, and obtains a result.
The L of reagent after table 2 different absorption property Carbon Materials absorption* a* b*C*H value
| Material absorption property unit (iodine absorption mg/g) | L* | a* | b* | C* | h |
| 0 | 96.20 | -4.62 | 90.47 | 90.59 | 92.93 |
| 48.3 | 83.95 | -23.03 | 56.63 | 61.13 | 112.13 |
| 156.9 | 82.12 | -27.75 | 37.43 | 46.60 | 126.56 |
| 241.5 | 83.65 | -26.59 | 29.75 | 39.90 | 131.79 |
| 362.3 | 86.49 | -22.56 | 4.55 | 23.01 | 168.60 |
| 483.5 | 103.25 | -0.16 | -0.29 | 0.33 | 240.27 |
Embodiment 3.
Biomass carbon material absorption property quick detection reagent in the present embodiment is by ethanol, bromocresol green and deionized water
Composition, every 100 grams of reagent contain 70 grams of ethanol, and 0.02 gram of bromocresol green, surplus is deionized water.
It is as shown in table 3 to the absorption colorimetric card of different absorption property Carbon Materials, biological carbon materials iodine absorption property 0 to
Between 1500mg/g, discrimination is that the material of 200mg/g can directly obtain big to result by sample colorimetric.Whole process is
Less than 6 minutes, whole process was as follows: 1 gram of biomass carbon sample+5mL detectable ultrasonic vibration 3 minutes, filter paper mistake immediately
Filter with colorimetric card colorimetric, and can be obtained a result.
The L of reagent after table 3 different absorption property Carbon Materials absorption* a* b* C*H value
| Material absorption property unit (iodine absorption mg/g) | L* | a* | b* | C* | h |
| 0 | 87.91 | 19.27 | 136.51 | 137.86 | 81.96 |
| 120.75 | 87.39 | 5.82 | 118.38 | 118.52 | 87.18 |
| 241.5 | 84.95 | -3.76 | 104.52 | 104.59 | 92.06 |
| 483.4 | 83.02 | -11.24 | 93.47 | 94.15 | 96.86 |
| 724.5 | 82.78 | -19.37 | 67.76 | 70.47 | 105.95 |
| 966.7 | 90.42 | -17.76 | 14.14 | 22.70 | 141.47 |
| 1207.5 | 94.02 | -10.90 | -1.39 | 10.99 | 187.27 |
| 1425.7 | 101.01 | -2.95 | -0.49 | 2.99 | 189.42 |
Although the present invention is open the most as above with embodiment, but it is not limited to protection scope of the present invention, and any be familiar with should
The technical staff of item technology, in the change made without departing from the spirit and scope of the invention and retouching, all should belong to the present invention
Protection domain.
Claims (9)
1. a biomass carbon material absorption property quick detection reagent, it is characterised in that: in every 100 grams of detectable, contain
60-75 gram of ethanol, 0.005-0.02 gram of bromocresol green, surplus is water.
Biomass carbon material absorption property quick detection reagent the most according to claim 1, it is characterised in that: described water is
Deionized water.
3. a biomass carbon material absorption property method for quick, it is characterised in that: use as in claim 1 or 2
Detectable detects, and the step of described detection method is as follows:
(1) colorimetric card making step: peek part Carbon Materials respectively mix with 5mL detectable, in ultrasonic device ultrasonic 3 minutes with
Accelerating saturated adsorption rate, be filtrated to get several parts of corresponding reactant liquors, the weight of several parts of Carbon Materials is 1 gram and absorption property is equal
It is known, but the absorption property of several parts of Carbon Materials is different, determine several parts of reactant liquors by colour difference meter respective
L*、a*And b*Value, then by L*、a*And b*Value is reduced into colour atla, prepares the colorimetric card corresponding to Carbon Materials difference absorption property；
(2) sample detecting step: take 1 gram of biomass carbon material sample and the mixing of 5mL detectable, in ultrasonic device ultrasonic 3
Minute to accelerate saturated adsorption rate, it is filtrated to get solution；
(3) colorimetric step: the colorimetric card that solution step (2) obtained directly obtains with step (1) is compared, according to colorimetric
On card, numerical value corresponding to same or like color directly estimates the absorption property of biomass carbon material sample.
Biomass carbon material absorption property method for quick the most according to claim 3, it is characterised in that: described step
(1) Carbon Materials in is biomass Carbon Materials.
Biomass carbon material absorption property method for quick the most according to claim 3, it is characterised in that: described step
(1) filtration and in step (2) all uses filter paper to filter.
Biomass carbon material absorption property method for quick the most according to claim 3, it is characterised in that: described step
(1) and step (2) all use 200W ultrasonic machine to carry out ultrasonic.
Biomass carbon material absorption property method for quick the most according to claim 3, it is characterised in that: described step
(1), in, the several parts of respective L of reactant liquor are determined by colour difference meter*、a*、b*、C*With h value.
Biomass carbon material absorption property method for quick the most according to claim 3, it is characterised in that: also include step
Suddenly (4), the content of described step (4) is: step (2) and step (3) circulation operation, with the different biomass carbon material sample of detection
Absorption property.
Biomass carbon material absorption property method for quick the most according to claim 3, it is characterised in that: described step
(1), in, several parts of Carbon Materials more than four parts.
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| CN109613123A (en) * | 2019-01-18 | 2019-04-12 | 浙江省林业科学研究院 | A kind of biomass carbon material absorption property detection device and method |
| CN113109501A (en) * | 2021-03-25 | 2021-07-13 | 杭州融凯盛科技有限公司 | Method for detecting activity degree of pulp cellulose in lyocell production system |
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