CN110006859A - A kind of fluorescent material detection device and the method for detecting fluorescent material - Google Patents
A kind of fluorescent material detection device and the method for detecting fluorescent material Download PDFInfo
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- CN110006859A CN110006859A CN201910165277.2A CN201910165277A CN110006859A CN 110006859 A CN110006859 A CN 110006859A CN 201910165277 A CN201910165277 A CN 201910165277A CN 110006859 A CN110006859 A CN 110006859A
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- flow cell
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6463—Optics
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6482—Sample cells, cuvettes
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- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
A kind of method that the present invention discloses fluorescent material detection device and detects fluorescent material.Fluorescent material detection device includes: detector pedestal, the light hole that detector pedestal is equipped with detector hole and is connected to detector hole；The probe portion of fluorescent probe, fluorescent probe extends into detector hole；Flow cell pedestal, the light source hole that flow cell pedestal is equipped with flow cell slot and is connected to flow cell slot, flow cell are fixed in flow cell slot, and LED light is located in light source hole；Flow cell includes the inlet and liquid outlet being connected to its inner cavity, and the side wall of flow cell includes adjacent the first transparent surface and the second transparent surface；Flow cell pedestal is fixed on detector pedestal by fixed plate, and the first transparent surface corresponding light source hole of flow cell, the second transparent surface corresponds to light hole, and the first optical filter is equipped between flow cell and light source hole, and the second optical filter is equipped between flow cell and light hole.Fluorescent material detection device of the invention, structure is simple, small in size, and detection accuracy is high.
Description
Technical field
The invention belongs to testing equipment field more particularly to a kind of fluorescent material detection device and the sides of detection fluorescent material
Method.
Background technique
With China's rapid development of economy, water resource also receives serious pollution.By industry and agricultural and life
The influence of sewage discharge, the pollutant contained in water body is largely organic pollutant.And it is most of in existing water standard
It is to be directed to inorganic ion, therefore the organic pollution of water body is frequently subjected to ignore.How organic pollutant in sewage is monitored,
And whether seem particularly significant containing poisonous and hazardous organic substance in monitoring domestic water.
Since most of organic matter contains special structure or functional group, it can be inspired fluorescence, therefore fluorescence method is prison
Survey a kind of important channel of water pollutant.Compared with absorption process, fluorescence method has the characteristics that selectivity height, high sensitivity, fits
Together in the particle fluorescence substance in quantitative detection liquid phase.However, traditional ultraviolet-visible spectrophotometer and fluorescence spectrophotometry
Meter has volume big, not portable, cannot achieve the shortcomings that test substance is monitored on-line in mobile phase.
Summary of the invention
To solve the above-mentioned problems, a kind of method that the present invention proposes fluorescent material detection device and detects fluorescent material,
By the integration of all parts, the structure of fluorescent material detection device is simplified, reduces the volume of device.
The embodiment of the present invention provides a kind of fluorescent material detection device, comprising: detector pedestal, the detector pedestal
The light hole for being equipped with detector hole and being connected to the detector hole；Fluorescent probe, the probe portion of the fluorescent probe
Divide and extends into the detector hole；Flow cell pedestal, the flow cell pedestal be equipped with flow cell slot and with the flow cell slot
The light source hole of connection, flow cell are fixed in the flow cell slot, and LED light is located in the light source hole；The flow cell includes
The inlet and liquid outlet being connected to its inner cavity, the side wall of the flow cell include adjacent the first transparent surface and the second light transmission
Face；The flow cell pedestal is fixed on the detector pedestal by fixed plate, and the first transparent surface of the flow cell is corresponding
The light source hole, the second transparent surface correspond to the light hole, and the first optical filter is equipped between the flow cell and light source hole, described
The second optical filter is equipped between flow cell and light hole.
Above-mentioned fluorescent material detection device further includes reflective mirror, and the side wall of the flow cell includes third transparent surface, described
Reflecting mirror is close to the third transparent surface.
As a kind of optional scheme, the third transparent surface is opposite with the first transparent surface, and the reflecting mirror is located at described
Between flow cell and flow cell pedestal.
In another optional scheme, the third transparent surface is opposite with the second transparent surface, and the reflecting mirror is fixed on institute
It states in fixed plate.
Above-mentioned fluorescent material detection device further includes photodiode, and the side wall of the flow cell includes the 4th transparent surface,
4th transparent surface is opposite with the first transparent surface, and the photodiode is fixed on the flow cell pedestal, described in correspondence
4th transparent surface.
Above-mentioned fluorescent material detection device further includes detector carriage, and the end of the fluorescent probe connects the detection
Device bracket, the detector carriage are fixedly connected with the detector pedestal.
Above-mentioned fluorescent material detection device further includes amplifier, processor and display, and the fluorescent probe connects institute
Amplifier is stated, the amplifier connects the processor, and the processor connects the display.
In above-mentioned fluorescent material detection device, the fluorescent probe is photomultiplier tube.
The embodiment of the present invention also provides a kind of method using above-mentioned fluorescent material detection device detection fluorescent material, packet
It includes:
The model that LED light and the first optical filter are determined according to the extinction characteristic of fluorescent material in testing liquid, according to be measured
The fluorescent characteristic that fluorescent material inspires in liquid determines the model of the second optical filter；
The LED light and fluorescent probe are opened, the testing liquid is sent into flow cell, the light of the LED light shines
The testing liquid in the flow cell is penetrated, the fluorescent probe detects the fluorescence signal of fluorescent material in the testing liquid.
As the optional scheme of the present invention, the fluorescence signal is enhanced by reflective mirror.
Fluorescent material detection device of the invention and the method for detecting fluorescent material will be flowed using LED light as light source
Pond, optical filter, fluorescent probe integrate, and fluorescent material detection device volume is small and exquisite and can be in real-time monitoring working fluid
Fluorescent material concentration variation.The structure of fluorescent material detection device is simple, easy to carry.
Detailed description of the invention
Fig. 1 is the schematic diagram of fluorescent material detection device of the embodiment of the present invention；
Fig. 2 is the explosive view of fluorescent material detection device of the embodiment of the present invention；
Fig. 3 is the schematic diagram of detector pedestal of the embodiment of the present invention；
Fig. 4 is for the schematic diagram of flow cell pedestal of the embodiment of the present invention；
(a) is (b) top view of flow cell in the perspective view of flow cell of the embodiment of the present invention in Fig. 5；
Fig. 6 is the schematic diagram of fluorescent material detection device in another kind scheme of the embodiment of the present invention.
Specific embodiment
Below in conjunction with drawings and examples, a specific embodiment of the invention is described in more details, so as to energy
The advantages of enough more fully understanding the solution of the present invention and its various aspects.However, specific embodiments described below and implementation
Example is for illustrative purposes only, rather than limiting the invention.
Heretofore described " connection " unless otherwise specific regulation or is limited, should be broadly understood, can be directly
It is connected, is also possible to be connected by intermediary.In the description of the present invention, it is to be understood that, "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", " top ", " bottom end " is orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As illustrated in fig. 1 and 2, the present embodiment provides a kind of fluorescent material detection devices, comprising: detector pedestal 1, fluorescence are visited
Survey device 2, flow cell pedestal 3, flow cell 4, LED light 5 and fixed plate 6.Prepare liquid in the light irradiation flow cell 4 of LED light 5
Body, since the irradiation of light generates fluorescence, fluorescent probe 2 can detect the strong of fluorescence signal for fluorescent material in testing liquid
Degree, so that it is determined that in testing liquid fluorescent material content.
As shown in figure 3, detector pedestal 1 is the shape of cuboid.Detector pedestal 1 is equipped with detector hole 11, detection
Device hole 11 is extended inward by the upper surface of detector pedestal 1.The side wall of detector pedestal 1 is equipped with light hole 12, light hole
12 are connected to detector hole 11, can inject detector hole 11 by light hole 12 under light.The detector pedestal 1 of the present embodiment can
For the aluminum component of surface oxidation treatment, convenient for mitigating the weight of detector base 1, the size of detector pedestal 1 be 67mm × 40mm ×
88mm.As needed, the shape and size of detector pedestal 1 can be changed.
For fluorescent probe 2 for detecting fluorescence signal, the probe portion of fluorescent probe 2 extends into detector hole 11, glimmering
Optical signal can be radiated on fluorescent probe 2 by light hole 12.
Optionally, fluorescent probe 2 is photomultiplier tube.The side for the diameter 28mm that the photomultiplier tube of the present embodiment is selected
Window type photomultiplier tube, photosensitive area size are 24mm × 8mm, can detect the optical signal within the scope of 185~900nm.Photoelectricity times
The sensitivity for increasing pipe is higher, can measure faint fluorescence signal.
As shown in figure 4, flow cell pedestal 3 is for fixing flow cell 4 and LED light 5.The width of flow cell pedestal 3 and flowing
Pond 4 it is of same size, be equipped with flow cell slot 31 at the middle part of flow cell pedestal 3, the height of flow cell slot 31 is equal to flow cell 4
Highly.Flow cell 4 can be fixed in flow cell slot 31 by way of engaging.Flow cell pedestal 3 is equipped with and flow cell slot 31
The light source hole 32 of connection, LED light 5 are located in light source hole 32, and the light of LED light 5 can irradiate flow cell 4.
As shown in figure 5, flowing quartz colorimetric utensil can be selected in the flow cell 4 of the present embodiment, top is equipped with and is connected to its inner cavity
Inlet 41 and liquid outlet 42.By the effect of peristaltic pump, testing liquid constantly can enter flow cell 4 by inlet 41,
It is flowed out later by liquid outlet 42.The vertical side wall of flow cell 4 includes the first transparent surface 43 and the second transparent surface 44, the first transparent surface
43 and second transparent surface 44 it is adjacent.In the transparent surface of the present embodiment flow cell 4, clear field is 15mm × 3mm.Inlet 41
With M6 screw thread is equipped at liquid outlet 42, be used for and piping connection.Flow cell 4 is the excitation place of fluorescence signal, due to prepare liquid
Body is not contacted with optical path, avoids the pollution of optical path.
LED light 5 is used as light source, and excitation fluorescent material generates fluorescence signal to be had compared with traditional mercury lamp and xenon lamp
Advantage small in size, the service life is long.According to the difference of test substance, the LED light of different central wavelengths is selected, is such as used as acetylacetone,2,4-pentanedione
Method surveys the excitation light source of the reaction product DDL (2,6- dimethyl -3,5- diacetyls-Isosorbide-5-Nitrae-dihydropyridine) of formaldehyde, in selection
The LED light of a length of 410nm of cardiac wave is as light source.
Flow cell pedestal 3 is fixed on detector pedestal 1 by fixed plate 6.Fixed plate 6 is equipped with the through-hole of mounting screw
61, flow cell pedestal 3 is equipped with hole corresponding with through-hole 61, and detector pedestal 1 is equipped with threaded hole corresponding with through-hole 61.Screw
It is connect across fixed plate 6, flow cell pedestal 3 with the threaded hole on detector pedestal 1, flow cell pedestal 3 is located at detector pedestal 1
Between fixed plate 6, flow cell pedestal 3 is located on the face at 12 place of light hole.
The 43 corresponding light source hole 32 of the first transparent surface of flow cell, the corresponding light hole 12 of the second transparent surface 44, flow cell pedestal 3
Light hole 12 is covered with flow cell 4, can avoid the interference of ambient.First is equipped between flow cell 4 and light source hole 32 to filter
Piece (not shown) is equipped with the second optical filter (not shown) between flow cell 4 and light hole 12.First optical filter can mistake
Unnecessary light in LED lamplight is filtered, the second optical filter may filter that other light in addition to fluorescence signal, convenient for improving fluorescence
The detection accuracy of detector 2.
In the present embodiment, the light of LED light 5 passes through the filtering of the first optical filter, enters by the first transparent surface 43 and flows
Pond 4.Testing liquid in flow cell 4 is by the irradiation of light, and fluorescent material generation fluorescence signal, light is by the second optical filter
Filtering, only the light of fluorescence signal enters light hole 12, and fluorescent probe 2 detects the signal strength of fluorescence, to measure liquid
The concentration of middle test substance (fluorescent material).
The fluorescent material detection device of the present embodiment is visited LED light, flow cell, optical filter, fluorescence by detector pedestal
It surveys device effectively to combine, is greatly reduced the volume of fluorescent material detection device.
Above-mentioned fluorescent material detection device may also include reflective mirror 7, and reflective mirror 7 is the eyeglass of coating single side.Flow cell
Side wall includes third transparent surface 45, and reflecting mirror 7 is close to third transparent surface 45.Reflective mirror 7 can enhance fluorescence signal, improve fluorescence
The detectability of quality detecting device.
In a kind of optional scheme, third transparent surface 45 and the second transparent surface 44 are opposite, and reflecting mirror 7 is fixed on fixed plate 6
On, i.e., reflecting mirror 7 and light hole 12 are opposite.The reflex of reflecting mirror 7 may make that the fluorescence signal into light hole 12 adds
Times, greatly improve the detectability of fluorescent material detection device.
Fluorescent material detection device may also include photodiode (not shown), and the side wall of flow cell 4 includes the 4th
Transparent surface 46, the 4th transparent surface 46 is opposite with 43 face of the first light transmission, and photodiode is fixed on flow cell pedestal 3, and corresponding the
Four transparent surfaces 46.Photodiode is located at the side opposite with LED light 5, the absorbance of fluorescent material in detectable testing liquid.
As shown in fig. 6, third transparent surface 45 and the first transparent surface 43 are opposite, and reflecting mirror 7 is located in another embodiment
Between flow cell 4 and flow cell pedestal 3.Reflecting mirror 7 can reflect the light of LED light 5, double the intensity of excitation light source, to make
Fluorescence signal is obtained to double.
Optionally, fluorescent material detection device further includes detector carriage 21.The end of fluorescent probe 2 is fixedly connected with spy
Device bracket 21 is surveyed, the probe portion of fluorescent probe 2 extends into detector hole 11.Detector carriage 21 is fixedly connected by screw
At the top of detector pedestal 1.
Above-mentioned fluorescent material detection device may also include amplifier, processor and display, the connection amplification of fluorescent probe 2
Device, amplifier connect processor, and processor connects display.The fluorescence signal that fluorescent probe 2 will test is converted to electric current
Signal.Amplifier is I/V converter amplifier circuit, the current signal of fluorescent probe 2 can be converted to voltage signal and amplified.It puts
The big amplified voltage signal of device sends processor to, processor to being sent to display after signal processing, can real-time display wait for
Survey the fluorescence signal intensity of liquid.
Testing liquid can be endlessly sent into flow cell 4 by peristaltic pump, peristaltic pump is stepper motor peristaltic pump,
The pump line inner wall used does not adsorb organic substance.By piping connection, pipeline is poly- using 1/16 inch for peristaltic pump and flow cell 4
Tetrafluoroethene pipe.Liquid in flow cell 4 after detection, is flowed out by liquid outlet 42.
The present embodiment also provides a kind of method using above-mentioned fluorescent material detection device detection fluorescent material, with detection
For DDL, process includes:
1, the formaldehyde in atmosphere is trapped into liquid phase using formaldehyde capturing device, then by first under the action of peristaltic pump
Aldehyde trapping solution generates testing liquid with the acetylacetone,2,4-pentanedione solution reaction under acetic acid-ammonium acetate buffer system.
2, the extinction characteristic of the fluorescence-causing substance DDL generated according to formaldehyde reaction determines that the central wavelength of LED light is 410nm
The narrow band filter for being 410nm with the first optical filter；According to the fluorescent characteristic of DDL, determine that the second optical filter is the narrowband of 510nm
Optical filter.
3, LED light and fluorescent probe are opened, testing liquid is sent constantly into flow cell, the light of LED light irradiates flowing
Testing liquid in pond, fluorescent probe detect the fluorescence signal of fluorescent material in testing liquid.
4, the detection signal of fluorescent probe passes through the processing of amplifier and processor, passes through display real-time display DDL
Fluorescence signal intensity variation.
Alternatively, fluorescence signal is enhanced by reflective mirror, to improve the detection of fluorescent material detection device
The accuracy of ability and detection.
It should be noted that each embodiment above by reference to described in attached drawing is only to illustrate the present invention rather than limits this
The range of invention, those skilled in the art should understand that, it is right under the premise without departing from the spirit and scope of the present invention
The modification or equivalent replacement that the present invention carries out, should all cover within the scope of the present invention.In addition, signified unless the context
Outside, the word occurred in the singular includes plural form, and vice versa.In addition, unless stated otherwise, then any embodiment
All or part of in combination with any other embodiment all or part of come using.
Claims (10)
1. a kind of fluorescent material detection device characterized by comprising
Detector pedestal, the light hole that the detector pedestal is equipped with detector hole and is connected to the detector hole；
Fluorescent probe, the probe portion of the fluorescent probe extend into the detector hole；
Flow cell pedestal, the light source hole that the flow cell pedestal is equipped with flow cell slot and is connected to the flow cell slot, flowing
Pond is fixed in the flow cell slot, and LED light is located in the light source hole；
The flow cell includes the inlet and liquid outlet being connected to its inner cavity, and the side wall of the flow cell includes adjacent first
Transparent surface and the second transparent surface；
The flow cell pedestal is fixed on the detector pedestal by fixed plate, and the first transparent surface of the flow cell is corresponding
The light source hole, the second transparent surface correspond to the light hole, and the first optical filter is equipped between the flow cell and light source hole, described
The second optical filter is equipped between flow cell and light hole.
2. fluorescent material detection device according to claim 1, which is characterized in that it further include reflective mirror, the flow cell
Side wall includes third transparent surface, and the reflecting mirror is close to the third transparent surface.
3. fluorescent material detection device according to claim 2, which is characterized in that the third transparent surface and the first transparent surface
Relatively, the reflecting mirror is between the flow cell and flow cell pedestal.
4. fluorescent material detection device according to claim 2, which is characterized in that the third transparent surface and the second transparent surface
Relatively, the reflecting mirror is fixed in the fixed plate.
5. fluorescent material detection device according to claim 4, which is characterized in that it further include photodiode, the flowing
The side wall in pond includes the 4th transparent surface, and the 4th transparent surface is opposite with the first transparent surface, and the photodiode is fixed on institute
It states on flow cell pedestal, corresponding 4th transparent surface.
6. fluorescent material detection device according to claim 1, which is characterized in that it further include detector carriage, the fluorescence
The end of detector connects the detector carriage, and the detector carriage is fixedly connected with the detector pedestal.
7. fluorescent material detection device according to claim 6, which is characterized in that further include amplifier, processor and display
Device, the fluorescent probe connect the amplifier, and the amplifier connects the processor, and the processor connection is described aobvious
Show device.
8. fluorescent material detection device according to claim 1, which is characterized in that the fluorescent probe is photomultiplier transit
Pipe.
9. a kind of method using any fluorescent material detection device detection fluorescent material of claim 1~8, feature exist
In, comprising:
The model that LED light and the first optical filter are determined according to the extinction characteristic of fluorescent material in testing liquid, according to testing liquid
The fluorescent characteristic that middle fluorescent material inspires determines the model of the second optical filter；
The LED light and fluorescent probe are opened, the testing liquid is sent into flow cell, the light of the LED light irradiates institute
The testing liquid in flow cell is stated, the fluorescent probe detects the fluorescence signal of fluorescent material in the testing liquid.
10. according to the method described in claim 9, it is characterized in that, enhancing the fluorescence signal by reflective mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165277.2A CN110006859A (en) | 2019-03-05 | 2019-03-05 | A kind of fluorescent material detection device and the method for detecting fluorescent material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165277.2A CN110006859A (en) | 2019-03-05 | 2019-03-05 | A kind of fluorescent material detection device and the method for detecting fluorescent material |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815218A (en) * | 2006-02-15 | 2006-08-09 | 厦门大学 | Ultraviolet-ray visible absorbing/fluorescent dual-purpose flow cell |
| CN103698276A (en) * | 2013-12-18 | 2014-04-02 | 中国科学院过程工程研究所 | Fluorescence and ultraviolet-visible absorption integrated flow cell |
| CN203965325U (en) * | 2014-06-04 | 2014-11-26 | 徐静 | Optical system before pond for integrated form fluorescence detector |
| CN203981587U (en) * | 2014-06-06 | 2014-12-03 | 桂林电子科技大学 | Portable ammonium nitrogen fluorescence detector |
| CN105181667A (en) * | 2015-11-03 | 2015-12-23 | 南京大学 | Ultraviolet fluorescence three-signal water quality sensor taking single UV-LED as light source and application thereof |
| WO2016024652A1 (en) * | 2014-08-12 | 2016-02-18 | 삼양화학공업주식회사 | Real-time detection apparatus for biological particle in atmosphere and liquid substance flowing through flow channel cell |
| CN106706584A (en) * | 2016-12-30 | 2017-05-24 | 国家***第二海洋研究所 | Portable fluorescence detector applicable to analysis of trace ammonia and nitrogen in seawater |
| CN206420773U (en) * | 2016-12-29 | 2017-08-18 | 厦门海荭兴仪器股份有限公司 | A kind of portable formaldehyde examination device based on fluorescence probe method |
| US20170370826A1 (en) * | 2016-06-23 | 2017-12-28 | Biocomp Instruments Inc. | Flow cell and system for simultaneous measurement of absorbance and emission in a sample |
| CN207457072U (en) * | 2017-11-16 | 2018-06-05 | 中国电器科学研究院有限公司 | A kind of Portable fluorescence device for being used to measure BOD5 contents in sanitary sewage |
-
2019
- 2019-03-05 CN CN201910165277.2A patent/CN110006859A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815218A (en) * | 2006-02-15 | 2006-08-09 | 厦门大学 | Ultraviolet-ray visible absorbing/fluorescent dual-purpose flow cell |
| CN103698276A (en) * | 2013-12-18 | 2014-04-02 | 中国科学院过程工程研究所 | Fluorescence and ultraviolet-visible absorption integrated flow cell |
| CN203965325U (en) * | 2014-06-04 | 2014-11-26 | 徐静 | Optical system before pond for integrated form fluorescence detector |
| CN203981587U (en) * | 2014-06-06 | 2014-12-03 | 桂林电子科技大学 | Portable ammonium nitrogen fluorescence detector |
| WO2016024652A1 (en) * | 2014-08-12 | 2016-02-18 | 삼양화학공업주식회사 | Real-time detection apparatus for biological particle in atmosphere and liquid substance flowing through flow channel cell |
| CN105181667A (en) * | 2015-11-03 | 2015-12-23 | 南京大学 | Ultraviolet fluorescence three-signal water quality sensor taking single UV-LED as light source and application thereof |
| US20170370826A1 (en) * | 2016-06-23 | 2017-12-28 | Biocomp Instruments Inc. | Flow cell and system for simultaneous measurement of absorbance and emission in a sample |
| CN206420773U (en) * | 2016-12-29 | 2017-08-18 | 厦门海荭兴仪器股份有限公司 | A kind of portable formaldehyde examination device based on fluorescence probe method |
| CN106706584A (en) * | 2016-12-30 | 2017-05-24 | 国家***第二海洋研究所 | Portable fluorescence detector applicable to analysis of trace ammonia and nitrogen in seawater |
| CN207457072U (en) * | 2017-11-16 | 2018-06-05 | 中国电器科学研究院有限公司 | A kind of Portable fluorescence device for being used to measure BOD5 contents in sanitary sewage |
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Application publication date: 20190712 |