CN105784883A - Online sample diluting experiment device - Google Patents
Online sample diluting experiment device Download PDFInfo
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- CN105784883A CN105784883A CN201610273773.6A CN201610273773A CN105784883A CN 105784883 A CN105784883 A CN 105784883A CN 201610273773 A CN201610273773 A CN 201610273773A CN 105784883 A CN105784883 A CN 105784883A
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- China
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- electronic
- way valve
- sample
- syringe pump
- electric
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
Abstract
An online sample diluting experiment device comprises a liquid storage portion, a diluting portion and a control portion, wherein the liquid storage portion comprises an ultrapure water storage bottle and a sample bottle, and the diluting portion comprises an injection pump I, an injection pump II, a sample filter, a three-way mixer and an electric two-position four-way valve. The ultrapure water storage bottle 1 is connected with the injection pump I through a PE (polyethylene) pipe, the experiment sample bottle is connected with the injection pump II though a PE pipe, the injection pump I is connected with an electric two-position three-way valve, the injection pump II is connected with the electric two-position four-way valve, the three-way mixer is connected with the electric two-position three-way valve and the electric two-position four-way valve, an electric two-position six-way valve is connected with the electric two-position three-way valve, the electric two-position four-way valve, a chromatographic instrument system and a wastewater collecting vat, and the sample filter is arranged between the injection pump II and the electric two-position four-way valve. The online sample diluting experiment device has the advantages that a sample diluting function can be selected by controlling switching of circuits and the valves, so that concentration of ions to be detected in samples is reduced, analysis errors are decreased, reproducibility of an experiment method is guaranteed and sample analysis accuracy is improved.
Description
Technical field
The present invention relates to technical field of analytical chemistry, be specifically related to a kind of on-line sample air mix facilities.
Background technology
During for sample analysis such as the dirty atmospheric aerosol of high concentration, lake water, rivers; particulate matter in sample and high concentration usually can impact analysis results; or the selection of impact analysis method; so must analyze after sample is carried out pre-treatment, traditional processing method can introduce ionic soil in the process implemented, and the result of sample to be analyzed is impacted again; make result higher; operating lack of standardization, error is big, and takes time and effort.
Some dirty enriched sample treat that the concentration of measured ion is higher, analyze again after needing dilution, operate when off-line analysis cumbersome, if the suction pipe used in dilution or volumetric flask pollute or do not have wash clean, will result directly in the change of the sample concentration after dilution.
Summary of the invention
The purpose of the present invention is exactly a kind of on-line sample dilution test device provided for solving the problems referred to above.
The purpose of the present invention can be reached by following measures:
A kind of on-line sample dilution test device, including reservoir portion, dilution part, controls part composition, and reservoir portion includes ultra-pure water storage bottle and sample bottle；Dilution part is divided and is included syringe pump I, syringe pump II, electronic two-position three-way valve, sample filter, threeway blender, electronic two position four-way valves；Control part includes controller and controls connecting line；
Controller noted above is provided with instruction and controls keyboard, LCDs.
Controller noted above is connected with syringe pump I, syringe pump II, electronic two-position three-way valve, electronic two position four-way valves, electronic two six-way valves respectively by controlling connecting line.
Above-mentioned ultra-pure water storage 1 is connected by PE pipe with syringe pump I；Test specimen bottle is connected by PE pipe with syringe pump II.
Above-mentioned syringe pump I is connected with electronic two-position three-way valve；Syringe pump II is connected with electronic two position four-way valves.
Above-mentioned threeway blender is connected with electronic two-position three-way valve and electronic two position four-way valves respectively.
Above-mentioned electronic two six-way valves are connected with electronic two-position three-way valve, electronic two position four-way valves, chromatograph system, waste collection bucket respectively.
Above-mentioned sample filter is arranged between syringe pump and electronic two position four-way valves.
Advantages of the present invention and providing the benefit that:
1. the present invention can select to use diluted sample function by the switching of control circuit and valve, reduces the concentration treating measured ion in sample, reduces analytical error.
2. present configuration is simple, and easy to operate, practical, cost is low.
3. the present invention is applicable at dirty glacier dirt layer and glacier melting, atmospheric aerosol sample, lake water, river sample, in the pedotheque analysis test of complicated component.
4. this invention ensures that the repeatability of this test method, improve the degree of accuracy analyzing experiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1-ultra-pure water storage bottle, 2-sample bottle, 3-syringe pump I, 4-syringe pump II, the electronic two-position three-way valve of 5-, 6-sample filter, 7-threeway blender, electronic two position four-way valves of 8-, electronic two six-way valves of 9-, 10-chromatograph system, 11-controller, 12-PE pipe, 13-instruction control keyboard, 14-LCDs.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further:
As it is shown in figure 1, a kind of on-line sample dilution test device, including reservoir portion, dilution part, controlling part composition, reservoir portion includes ultra-pure water storage bottle 1 and sample bottle 2；Dilution part is divided and is included syringe pump I 3, syringe pump II 4, electronic two-position three-way valve 5, sample filter 6, threeway blender 7, electronic two position four-way valves 8；Control part includes controller 11 and controls connecting line；
Described controller 11 is provided with instruction and controls keyboard 13, LCDs 14.
Described controller 11 is connected with syringe pump I 3, syringe pump II 4, electronic two-position three-way valve 5, electronic two position four-way valves 8, electronic two six-way valves 9 respectively by controlling connecting line.
Described ultra-pure water storage bottle 1 is connected by PE pipe 12 with syringe pump I 3；Test specimen bottle 2 is connected by PE pipe 12 with syringe pump II 4.
Described syringe pump I 3 is connected with electronic two-position three-way valve 5；Syringe pump II 4 is connected with electronic two position four-way valves 8.
Described threeway blender 7 is connected with electronic two-position three-way valve 5 and electronic two position four-way valves 8 respectively.
Described electronic two six-way valves 9 are connected with electronic two-position three-way valve 5, electronic two position four-way valves 8, chromatograph system 10, waste collection bucket 15 respectively.
Described sample filter 6 is arranged between syringe pump 4 and electronic two position four-way valves 8.
Embodiment
Syringe pump II 4 carries sample and enters threeway blender 7 through sample filter 6, pure water is entered threeway blender 7 through electronic two-position three-way valve 5 by syringe pump I 3 simultaneously, pure water mixes in threeway blender 7 with sample, carry out diluted sample, sample after dilution enters chromatographic system 10 through electronic two position four-way valves 8, electronic two six-way valves 9, carries out sample analysis.
Above-mentioned syringe pump I 3, syringe pump II 4, electronic two-position three-way valve 5, electronic two position four-way valves 8, electronic two six-way valves 9 control keyboard 13 each through the instruction of controller 11 and complete operation, it is achieved on-line dilution.
Claims (1)
1. an on-line sample dilution test device, including reservoir portion, dilution part, controls part composition, it is characterized in that: described reservoir portion includes ultra-pure water storage bottle (1) and sample bottle (2)；Described dilution part is divided and is included syringe pump I (3), syringe pump II (4), electronic two-position three-way valve (5), sample filter (6), threeway blender (7), electronic two position four-way valves (8)；Described control part includes controller (11) and controls connecting line；Controller (11) is provided with instruction and controls keyboard (13), LCDs (14)；Controller (11) is connected with syringe pump I (3), syringe pump II (4), electronic two-position three-way valve (5), electronic two position four-way valves (8), electronic two six-way valves (9) respectively by controlling connecting line；Ultra-pure water storage bottle (1) is managed (12) with syringe pump I (3) by PE and is connected；Test specimen bottle (2) is managed (12) with syringe pump II (4) by PE and is connected；Syringe pump I (3) is connected with electronic two-position three-way valve (5)；Syringe pump II (4) is connected with electronic two position four-way valves (8)；Described threeway blender (7) is connected with electronic two-position three-way valve (5) and electronic two position four-way valves (8) respectively；Described electronic two six-way valves (9) are connected with electronic two-position three-way valve (5), electronic two position four-way valves (8), chromatograph system (10), waste collection bucket 15 respectively；Described sample filter (6) is arranged between syringe pump (4) and electronic two position four-way valves (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273773.6A CN105784883A (en) | 2016-04-28 | 2016-04-28 | Online sample diluting experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273773.6A CN105784883A (en) | 2016-04-28 | 2016-04-28 | Online sample diluting experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105784883A true CN105784883A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273773.6A Pending CN105784883A (en) | 2016-04-28 | 2016-04-28 | Online sample diluting experiment device |
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| CN (1) | CN105784883A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153425A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of salt lake saline neutralization test device |
| CN106153782A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of online neutralization test device |
| CN106168628A (en) * | 2016-08-30 | 2016-11-30 | 中国科学院寒区旱区环境与工程研究所 | With concentration test device in a kind of sea water |
| CN106198150A (en) * | 2016-08-30 | 2016-12-07 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
| CN108801939A (en) * | 2018-06-20 | 2018-11-13 | 广东省测试分析研究所（中国广州分析测试中心） | Various heavy on-line monitoring system and its monitoring method simultaneously in a kind of water |
| CN113624905A (en) * | 2021-05-24 | 2021-11-09 | 杭州绿洁环境科技股份有限公司 | On-line ion chromatography automatic cleaning on-line measurement calibration sample injector |
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| CN201993351U (en) * | 2011-02-14 | 2011-09-28 | 厦门大学 | Two-dimensional liquid chromatography connector device |
| WO2014076521A1 (en) * | 2012-11-15 | 2014-05-22 | Agilent Technologies, Inc. | Sample dilution to specifiable dilution ratio |
| CN103901144A (en) * | 2012-12-28 | 2014-07-02 | 株式会社岛津制作所 | Automatic sampler |
| CN203908852U (en) * | 2014-06-23 | 2014-10-29 | 青岛普仁仪器有限公司 | Automatic online micro sample diluting and mixing system |
| 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 |
| CN205620363U (en) * | 2016-04-28 | 2016-10-05 | 中国科学院寒区旱区环境与工程研究所 | Online sample dilution test device |
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2016
- 2016-04-28 CN CN201610273773.6A patent/CN105784883A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201993351U (en) * | 2011-02-14 | 2011-09-28 | 厦门大学 | Two-dimensional liquid chromatography connector device |
| WO2014076521A1 (en) * | 2012-11-15 | 2014-05-22 | Agilent Technologies, Inc. | Sample dilution to specifiable dilution ratio |
| CN103901144A (en) * | 2012-12-28 | 2014-07-02 | 株式会社岛津制作所 | Automatic sampler |
| CN203908852U (en) * | 2014-06-23 | 2014-10-29 | 青岛普仁仪器有限公司 | Automatic online micro sample diluting and mixing system |
| 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 |
| CN205620363U (en) * | 2016-04-28 | 2016-10-05 | 中国科学院寒区旱区环境与工程研究所 | Online sample dilution test device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153425A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of salt lake saline neutralization test device |
| CN106153782A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of online neutralization test device |
| CN106168628A (en) * | 2016-08-30 | 2016-11-30 | 中国科学院寒区旱区环境与工程研究所 | With concentration test device in a kind of sea water |
| CN106198150A (en) * | 2016-08-30 | 2016-12-07 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
| CN108801939A (en) * | 2018-06-20 | 2018-11-13 | 广东省测试分析研究所（中国广州分析测试中心） | Various heavy on-line monitoring system and its monitoring method simultaneously in a kind of water |
| CN113624905A (en) * | 2021-05-24 | 2021-11-09 | 杭州绿洁环境科技股份有限公司 | On-line ion chromatography automatic cleaning on-line measurement calibration sample injector |
| CN113624905B (en) * | 2021-05-24 | 2024-02-02 | 杭州绿洁科技股份有限公司 | Online ion chromatograph automatic cleaning online measurement calibration sample injector |
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Application publication date: 20160720 |
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| RJ01 | Rejection of invention patent application after publication |