CN106198150A - A kind of sample for chemical analysis comprehensive pretreatment instrument - Google Patents
A kind of sample for chemical analysis comprehensive pretreatment instrument Download PDFInfo
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- CN106198150A CN106198150A CN201610761642.2A CN201610761642A CN106198150A CN 106198150 A CN106198150 A CN 106198150A CN 201610761642 A CN201610761642 A CN 201610761642A CN 106198150 A CN106198150 A CN 106198150A
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- sample
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- syringe pump
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
A kind of sample for chemical analysis comprehensive pretreatment instrument, including reservoir portion, dilution part, sample collection part, neutralization part, concentrating part, control part.The present invention can select to use the on-line/off-line of sample to neutralize, dilute, concentrate by the switching of control circuit and valve, matrix elimination function, each function of the present invention can independent on-line/off-line use, use can also be optionally combined according to demand, can realize complex sample is transformed into aqueous solution；Reduce or remove chaff interference, reducing body concentration；Regulation acid-base value；Concentrate and be enriched with component to be measured and be allowed to meet the requirement of Instrumental Analysis, reduce the complex sample impact on analysis result, expand the selection of analysis method；Improve the response value of instrument detection, it is ensured that the repeatability of instrument test, accuracy.The present invention is applicable to scientific research, medical and health, environmental conservation, industrial and agricultural production and industrial wastewater, the regeneration etc. of waste material, particularly alumina industry, practical.
Description
Technical field
The present invention relates to technical field of analytical chemistry, be specifically related to a kind of sample for chemical analysis comprehensive pretreatment instrument.
Background technology
The detection of complex sample needs to carry out sample pre-treatments, and the purpose of chemical analysis pre-treatment is mainly complex sample
It is transformed into the mixed liquor of aqueous solution and polar organic solvent；Reduce or remove chaff interference, reducing body concentration；Regulation acid-base value；
Concentrate and be enriched with component to be measured and be allowed to meet the requirement of Instrumental Analysis.
Traditional sample acid-base value regulation realizes mainly by acid-base neutralization principle, during i.e. ion exchange makes pH value reach
Property, when processing Acidity of Aikalinity sample, add corresponding nertralizer, make the aobvious neutrality of sample by chemical reaction.But addition acid-base reagent
Neutralize, easily cause ionic soil, and improve salt ionic concentration, be less useful for detection and analyze, affect test result；It addition,
Ion exchange can cause site occupancy saturated, so its application is restricted significantly, and the regeneration of material, loss,
Take a significant amount of time, high application cost etc..
Traditional dilution process is manually dilution, operates cumbersome, and the suction pipe used in dilution or volumetric flask are such as
Fruit pollutes or does not has wash clean, will result directly in the change of the sample concentration after dilution；In dilution, manual operation also can exist
Certain error.Directly affect test result, and it is difficult to ensure that the repeatability of test data.
Traditional concentration is all online concentration, it is impossible to off-line concentrates；And while concentrating sample, pure water is concentrated the most together
, cause test result higher.It also is difficult to ensure the repeatability of test data.
It is all canbe used on line that traditional matrix eliminates, it is impossible to off-line matrix eliminates, and causes the restriction of test scope.
Summary of the invention
The purpose of the present invention provides a kind of sample for chemical analysis comprehensive pretreatment instrument exactly for solving the problems referred to above.
The purpose of the present invention can be reached by following measures:
A kind of sample for chemical analysis comprehensive pretreatment instrument, including reservoir portion, dilution part, sample collection part, neutralization part,
Concentrating part, control part.Reservoir portion includes ultra-pure water storage bottle and sample bottle；Dilution part is divided and is included syringe pump I, syringe pump
II, sample filter, electronic two clematis stem diluted sample valves, threeway blender, sample collection bottle/other instruments I；Sample collection
Part includes syringe pump I, syringe pump II, electronic two clematis stem bulk samples collect valve, waste liquid leads to I；Neutralization part includes note
Penetrate in pump I, syringe pump II, peristaltic pump, sample filter, electronic two clematis stem samples and valve, neutralizer, sample collection bottle/its
His instrument II, waste liquid barrel II；Concentrating part include syringe pump I, syringe pump II, trapping column, electronic two clematis stem sample concentration valves,
Sample collection bottle/other instruments III；Described control part includes controller and controls connecting line.
Controller is provided with instruction and controls keyboard and LCDs.
Controller by control connecting line and syringe pump I, syringe pump II, peristaltic pump, electronic two clematis stem diluted sample valves,
Electronic two clematis stem bulk samples collect in valve, electronic two clematis stem samples and valve, electronic two clematis stem sample concentration valves, in
Connect with device.
Ultra-pure water storage bottle is connected by PE pipe with syringe pump I.
Ultra-pure water storage bottle is connected by PE pipe with peristaltic pump.
Test specimen bottle is connected by PE pipe with syringe pump II.
Electronic two clematis stem diluted sample valves collect valve even with threeway blender, electronic two clematis stem bulk samples respectively
Logical.
Threeway blender is connected with syringe pump I by trapping column；Threeway blender is by sample filter and syringe pump II
Connection.
Electronic two clematis stem bulk samples collect valve respectively with electronic two clematis stem diluted sample valves, electronic two clematis stem
Sample leads to I with valve, waste liquid connect.
In electronic two clematis stem samples and valve, neutralizer, electronic collected respectively by valve with electronic two clematis stem bulk samples
Two clematis stem sample concentration valve connections.
Electronic two clematis stem sample concentration valves respectively with electronic two clematis stem samples in and valve, neutralizer, sample collection bottle/
Other instruments III connect.
Threeway blender connects with trapping column, electronic two the clematis stem diluted sample valves of sample filter respectively.
Neutralizer respectively with peristaltic pump, electronic two clematis stem samples in and valve, electronic two clematis stem sample concentration valves, samples
Receiving flask/other instruments II, waste liquid barrel II connect.
Trapping column is arranged between syringe pump I and electronic two clematis stem diluted sample valves.
Sample filter is arranged between syringe pump II and threeway blender.
Advantages of the present invention and providing the benefit that:
1, present configuration is simple, easy to operate, practical, low cost.Improve the repeatability of comprehensive sample pre-treatments, essence
Exactness.
2, the present invention can by the switching of control circuit and valve select use sample on-line/off-line neutralize, dilution, dense
Contracting, matrix eliminate function, and each function can independent on-line/off-line use, it is also possible to is optionally combined use according to demand.By complexity sample
Product are transformed into aqueous solution；Reduce or remove chaff interference, reducing body concentration；Regulation acid-base value；Concentrate and be enriched with component to be measured and make
The requirement meeting Instrumental Analysis, reduce the complex sample impact on analysis result, expand the selection of analysis method；Improve
The response value of instrument detection, it is ensured that the repeatability of instrument test, accuracy.
3, the present invention is applicable to scientific research, medical and health, environmental conservation, industrial and agricultural production and industrial wastewater, waste material
Regeneration etc., particularly alumina industry, practical.
4, this invention ensures that the repeatability of complex sample comprehensive pretreatment method, improve the degree of accuracy of the method.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram of present invention working method 1 in embodiment 1.
Fig. 3 is the schematic diagram of present invention working method 2 in example 2.
Fig. 4 is the schematic diagram of present invention working method 3 in embodiment 3.
Fig. 5 is the schematic diagram of present invention working method 4 in example 4.
Fig. 6 is the schematic diagram of present invention working method 5 in embodiment 5.
Detailed description of the invention
The present invention is described further with embodiment below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of sample for chemical analysis comprehensive pretreatment instrument, including reservoir portion, dilution part, sample collection portion
Divide, neutralize part, concentrating part, control part.Described reservoir portion includes ultra-pure water storage bottle 1 and sample bottle 2；Described is dilute
Release part include syringe pump I 3, syringe pump II 4, sample filter 7, electronic two clematis stem diluted sample valves 8, threeway blender 9,
Sample collection bottle/other instruments I 18；Described sample collection portion is divided and is included syringe pump I 3, syringe pump II 4, electronic two clematis stem
Bulk sample collects valve 10, waste liquid leads to I 21；Described neutralization part includes syringe pump I 3, syringe pump II 4, peristaltic pump 5, sample
In product filter 7, electronic two clematis stem samples and valve 11, neutralizer 12, sample collection bottle/other instruments II 19, waste liquid barrel II
22；Described concentrating part includes syringe pump I 3, syringe pump II 4, trapping column 6, electronic two clematis stem sample concentration valves 13, samples
Receiving flask/other instruments III 20；Described control part includes controller 14 and controls connecting line.
Controller 14 is provided with instruction and controls keyboard 16 and LCDs 17.
Controller 15 is dilute by controlling connecting line and syringe pump I 3, syringe pump II 4, peristaltic pump 5, electronic two clematis stem samples
Release valve 8, electronic two clematis stem bulk samples are collected in valve 10, electronic two clematis stem samples and valve 11, electronic two clematis stem samples
Product concentrate valve 13, neutralizer 12 connects.
Ultra-pure water storage bottle 1 is connected by PE pipe 15 with syringe pump I 3.
Ultra-pure water storage bottle 1 is connected by PE pipe 15 with peristaltic pump 5.
Test specimen bottle 2 is connected by PE pipe 15 with syringe pump II 4.
Electronic two clematis stem diluted sample valves 8 collect valve with threeway blender 9, electronic two clematis stem bulk samples respectively
10 connections.
Threeway blender 9 is connected with syringe pump I 3 by trapping column 6；Threeway blender 9 is by sample filter 7 and injection
Pump II 4 connects.
Electronic two clematis stem bulk samples collect valve 10 respectively with electronic two clematis stem diluted sample valves 8, electronic two
Clematis stem sample leads to I 21 with valve 11, waste liquid connect.
Electronic two clematis stem samples collect valve 10, neutralizer with electronic two clematis stem bulk samples respectively with valve 11
12, electronic two clematis stem sample concentration valves 13 connect.
Electronic two clematis stem sample concentration valves 13 respectively with electronic two clematis stem samples in and valve 11, neutralizer 12, sample
Receiving flask/other instruments III 20 connection.
Neutralizer 12 respectively with peristaltic pump 5, electronic two clematis stem samples in and valve 11, electronic two clematis stem sample concentration valves
13, sample collection bottle/other instruments II 19, waste liquid barrel II 22 connection.
Threeway blender 9 connects with trapping column 6, electronic two the clematis stem diluted sample valves 8 of sample filter 7 respectively.
Trapping column 6 is arranged between syringe pump I 3 and electronic two clematis stem diluted sample valves 8.
Sample filter 7 is arranged between syringe pump II 4 and threeway blender 9.
Embodiment 1
Working method 1, concentrates or matrix eliminates and analyzes, as shown in Figure 2:
Syringe pump II 4 carries sample and enters electronic two clematis stem bulk samples receipts through electronic two clematis stem diluted sample valves 8
Collection valve 10 carries out sample collection, and the most electronic two clematis stem bulk samples are collected valve 10 solid line and connected, and sample is temporarily trapped in
Electronic two clematis stem bulk samples are collected in the quantitative loop of valve 10, and redundant sample enters waste liquid barrel I 21 and collects；
Then pure water is squeezed into electricity through trapping column 6, threeway blender 9, electronic two clematis stem diluted sample valves 8 by syringe pump I 3 successively
Dynamic two clematis stem bulk samples collect valve 10, and the most electronic two clematis stem bulk samples are collected valve 10 dotted line and connected, pure
Under the promotion of water, by the sample in quantitative loop, in electronic two clematis stem samples and electronic two clematis stem sample concentration sent into by valve 11
After valve 13 carries out the concentration of sample or matrix eliminates, send into sample collection bottle/other instruments III 20, carry out sample collection/point
Analysis.
Above-mentioned syringe pump I 3, II 4, two clematis stem diluted sample valves 8 of syringe pump, electronic two clematis stem bulk samples are received
Collect in valve 10, electronic two clematis stem samples and valve 11, electronic two clematis stem sample concentration valves 13 are all by the instruction of controller 14
Control keyboard 16 and complete operation, it is achieved the concentration of sample or matrix eliminate to be analyzed.
Embodiment 2
Working method 2, dilution analysis, as shown in Figure 3:
Syringe pump II 4 carry sample through sample filter 7 filter after, through electronic two clematis stem diluted sample valves 8 enter threeway mix
Clutch 9, pure water is sent into threeway blender 9 by syringe pump I 3 simultaneously, and in threeway blender 9, to complete sample dilute for pure water and sample
Releasing, the sample after dilution sequentially passes through electronic two clematis stem diluted sample valves 8, electronic two clematis stem bulk samples collect valve
10, in electronic two clematis stem samples and valve 11, electronic two clematis stem sample concentration valves 13, sample collection bottle/other instruments are entered
III 20, carry out the collection/analysis of sample.
Above-mentioned syringe pump I 3, II 4, two clematis stem diluted sample valves 8 of syringe pump, electronic two clematis stem bulk samples are received
Collect in valve 10, electronic two clematis stem samples and valve 11, electronic two clematis stem sample concentration valves 13 are all by the instruction of controller 14
Control keyboard 16 and complete operation, it is achieved the dilution analysis of sample.
Embodiment 3
Working method 3, neutralization analysis, as shown in Figure 4:
Syringe pump II 4 carries sample successively after sample filter 7 filters, through electronic two clematis stem diluted sample valves 8, electronic two
Position clematis stem bulk sample is collected in valve 10, electronic two clematis stem samples and is entered neutralizer 12 carry out sample neutralization with valve 11, in
Sample after with in electronic two clematis stem samples and valve 11, electronic two clematis stem sample concentration valves 13, enter sample collection bottle/
Other instruments III 20, carry out sample analysis.
Ultra-pure water in ultra-pure water storage bottle 1 is persistently squeezed into neutralizer 12 and is neutralized device regeneration, regeneration by peristaltic pump 5 simultaneously
Liquid waste liquid is flowed out by sewer pipe, waste liquid barrel II 22 collect and reclaim.
Above-mentioned syringe pump I 3, syringe pump II 4,5, two clematis stem diluted sample valves 8 of peristaltic pump, electronic two clematis stem are substantially
In long-pending sample collection valve 10, electronic two clematis stem samples and valve 11, neutralizer 12, electronic two clematis stem sample concentration valves 13 are the most logical
The instruction control keyboard 16 crossing controller 14 completes operation, it is achieved the neutralization analysis of sample.
Embodiment 4
Working method 4, dilutes neutralization analysis, as shown in Figure 5:
Syringe pump II 4 carry sample through sample filter 7 filter after, through electronic two clematis stem diluted sample valves 8 enter threeway mix
Clutch 9, pure water is sent into threeway blender 9 by syringe pump I 3 simultaneously, and in threeway blender 9, pure water and sample complete sample
Dilution, the sample after dilution sequentially passes through electronic two clematis stem diluted sample valves 8, electronic two clematis stem bulk samples collect valve
10, in electronic two clematis stem samples and valve 11 enters neutralizer 12, carrying out sample neutralization, the sample after neutralization is through electronic two six
With valve 11, electronic two clematis stem sample concentration valves 13 in logical sample, enter sample collection bottle/other instruments III 20, carry out sample
Collect/analyze.
Ultra-pure water in ultra-pure water storage bottle 1 is persistently squeezed into neutralizer 12 and is neutralized device regeneration, regeneration by peristaltic pump 5 simultaneously
Liquid waste liquid is flowed out by sewer pipe, waste liquid barrel II 22 collect and reclaim.
Above-mentioned syringe pump I 3, syringe pump II 4,5, two clematis stem diluted sample valves 8 of peristaltic pump, electronic two clematis stem are substantially
In long-pending sample collection valve 10, electronic two clematis stem samples and valve 11, neutralizer 12, electronic two clematis stem sample concentration valves 13 are the most logical
The instruction control keyboard 16 crossing controller 14 completes operation, it is achieved the dilution neutralization analysis of sample.
Embodiment 5
Working method 5, neutralizes to concentrate and analyzes, as shown in Figure 6:
Syringe pump II 4 carries sample successively after sample filter 7 filters, through electronic two clematis stem diluted sample valves 8, electronic two
Position clematis stem bulk sample is collected in valve 10, electronic two clematis stem samples and is entered neutralizer 12 carry out sample neutralization with valve 11, in
Sample after with is in electronic two clematis stem samples and valve 11, and entering electronic two clematis stem sample concentration valves 13, to carry out sample dense
Contracting, the entrance sample collection bottle after concentration/other instruments III 20, carry out sample collection/analysis.
Ultra-pure water in ultra-pure water storage bottle 1 is persistently squeezed into neutralizer 12 and is neutralized device regeneration, regeneration by peristaltic pump 5 simultaneously
Liquid waste liquid is flowed out by sewer pipe, waste liquid barrel II 22 collect and reclaim.
Above-mentioned syringe pump II 4,5, two clematis stem diluted sample valves 8 of peristaltic pump, electronic two clematis stem bulk samples are received
Collect in valve 10, electronic two clematis stem samples and valve 11, neutralizer 12, electronic two clematis stem sample concentration valves 13 all pass through controller
The instruction of 14 controls keyboard 16 and completes operation, it is achieved the neutralization of sample concentrates to be analyzed.
Claims (3)
1. a sample for chemical analysis comprehensive pretreatment instrument, including reservoir portion, dilution part, sample collection part, neutralization portion
Point, concentrating part, control part, it is characterized in that:
Described reservoir portion includes ultra-pure water storage bottle (1) and sample bottle (2)；Described dilution part divide include syringe pump I (3),
Syringe pump II (4), sample filter (7), electronic two clematis stem diluted sample valve (8), threeway blender (9), sample collection bottle/
Other instruments I (18)；Described sample collection portion is divided and is included syringe pump I (3), syringe pump II (4), electronic two clematis stem large volumes
Sample collection valve (10), waste liquid lead to I (21)；Described neutralization part includes syringe pump I (3), syringe pump II (4), peristaltic pump
(5), in sample filter (7), electronic two clematis stem samples and valve (11), neutralizer (12), sample collection bottle/other instruments II
(19), waste liquid barrel II (22)；Described concentrating part include syringe pump I (3), syringe pump II (4), trapping column (6), electronic two
Clematis stem sample concentration valve (13), sample collection bottle/other instruments III (20)；Described control part includes controller (14) and control
Connecting line processed；
Controller (14) is provided with instruction and controls keyboard (16), LCDs (17)；
Controller (14) is by controlling connecting line and syringe pump I (3), syringe pump II (4), peristaltic pump (5), electronic two clematis stem samples
Product dilution valves (8), electronic two clematis stem bulk samples collect in valve (10), electronic two clematis stem samples and valve (11), electronic
Two clematis stem sample concentration valve (13), neutralizers (12) connect；
Ultra-pure water storage bottle (1) is connected by PE pipe (15) with syringe pump I (3)；
Ultra-pure water storage bottle (1) is connected by PE pipe (15) with peristaltic pump (5)；
Test specimen bottle (2) is connected by PE pipe (15) with syringe pump II (4)；
Electronic two clematis stem diluted sample valve (8) collect valve with threeway blender (9), electronic two clematis stem bulk samples respectively
(10) connection；
Threeway blender (9) is connected with syringe pump I (3) by trapping column (6)；Threeway blender (9) passes through sample filter (7)
Connect with syringe pump II (4)；
Electronic two clematis stem bulk samples collect valve (10) respectively with electronic two clematis stem diluted sample valve (8), electronic two
Clematis stem sample leads to I (21) with valve (11), waste liquid connect；
Electronic two clematis stem samples collect valve (10), neutralizer with electronic two clematis stem bulk samples respectively with valve (11)
(12), electronic two clematis stem sample concentration valve (13) connection；
Electronic two clematis stem sample concentration valve (13) respectively with electronic two clematis stem samples in and valve (11), neutralizer (12), sample
Product receiving flask/other instruments III (20) connection；
Neutralizer (12) respectively with peristaltic pump (5), electronic two clematis stem samples in and valve (11), electronic two clematis stem sample concentration
Valve (13), sample collection bottle/other instruments II (19), waste liquid barrel II (22) connect；
Threeway blender (9) connects with trapping column (6), electronic two clematis stem diluted sample valve (8) of sample filter (7) respectively.
2. a kind of sample for chemical analysis comprehensive pretreatment instrument as claimed in claim 1, it is characterised in that: described trapping column
(6) it is arranged between syringe pump I (3) and electronic two clematis stem diluted sample valve (8).
3. a kind of sample for chemical analysis comprehensive pretreatment instrument as claimed in claim 1, it is characterised in that: described sample filtering
Device (7) is arranged between syringe pump II (4) and threeway blender (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610761642.2A CN106198150A (en) | 2016-08-30 | 2016-08-30 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610761642.2A CN106198150A (en) | 2016-08-30 | 2016-08-30 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106198150A true CN106198150A (en) | 2016-12-07 |
Family
ID=58089415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610761642.2A Pending CN106198150A (en) | 2016-08-30 | 2016-08-30 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106198150A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318608A (en) * | 2018-02-08 | 2018-07-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of method of sample automatic dilution |
| CN112534039A (en) * | 2018-08-06 | 2021-03-19 | 贝克顿·迪金森公司 | Lateral flow immunoassay device with separation membrane |
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| CN1327157A (en) * | 2000-06-05 | 2001-12-19 | 株式会社岛津制作所 | Liquid phase chromatograph |
| JP2004205358A (en) * | 2002-12-25 | 2004-07-22 | Shimadzu Corp | Liquid chromatograph |
| CN201993351U (en) * | 2011-02-14 | 2011-09-28 | 厦门大学 | Two-dimensional liquid chromatography connector device |
| CN104897820A (en) * | 2015-05-22 | 2015-09-09 | 中国科学院寒区旱区环境与工程研究所 | On-line sample dilution and neutralization test device |
| CN105758976A (en) * | 2014-12-16 | 2016-07-13 | 中国科学院大连化学物理研究所 | On-line sample concentrating device and use method thereof |
| CN105784883A (en) * | 2016-04-28 | 2016-07-20 | 中国科学院寒区旱区环境与工程研究所 | Online sample diluting experiment device |
| CN105865889A (en) * | 2016-04-28 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Automatic diluting device of aerosol sample |
| CN205981835U (en) * | 2016-08-30 | 2017-02-22 | 中国科学院寒区旱区环境与工程研究所 | Processor before chemical analysis sample is synthesized |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327157A (en) * | 2000-06-05 | 2001-12-19 | 株式会社岛津制作所 | Liquid phase chromatograph |
| JP2004205358A (en) * | 2002-12-25 | 2004-07-22 | Shimadzu Corp | Liquid chromatograph |
| CN201993351U (en) * | 2011-02-14 | 2011-09-28 | 厦门大学 | Two-dimensional liquid chromatography connector device |
| CN105758976A (en) * | 2014-12-16 | 2016-07-13 | 中国科学院大连化学物理研究所 | On-line sample concentrating device and use method thereof |
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| CN105784883A (en) * | 2016-04-28 | 2016-07-20 | 中国科学院寒区旱区环境与工程研究所 | Online sample diluting experiment device |
| CN105865889A (en) * | 2016-04-28 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Automatic diluting device of aerosol sample |
| CN205981835U (en) * | 2016-08-30 | 2017-02-22 | 中国科学院寒区旱区环境与工程研究所 | Processor before chemical analysis sample is synthesized |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318608A (en) * | 2018-02-08 | 2018-07-24 | 中国科学院寒区旱区环境与工程研究所 | A kind of method of sample automatic dilution |
| CN112534039A (en) * | 2018-08-06 | 2021-03-19 | 贝克顿·迪金森公司 | Lateral flow immunoassay device with separation membrane |
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Application publication date: 20161207 |
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