CN101609046A - A kind of sample introduction and hydride generation process and system that is used for atomic fluorescence spectrometer - Google Patents
A kind of sample introduction and hydride generation process and system that is used for atomic fluorescence spectrometer Download PDFInfo
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- CN101609046A CN101609046A CNA2009101817678A CN200910181767A CN101609046A CN 101609046 A CN101609046 A CN 101609046A CN A2009101817678 A CNA2009101817678 A CN A2009101817678A CN 200910181767 A CN200910181767 A CN 200910181767A CN 101609046 A CN101609046 A CN 101609046A
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Abstract
The present invention relates to a kind of system that is used for the sample introduction and the hydride generation process of atomic fluorescence spectrometer, it comprises four-way hybrid reaction module and sampling pump, four-way hybrid reaction module has three inlets and an outlet, three inlets are connected with the liquid storage ring respectively, carrier gas and reductive agent, the other end connection of liquid storage ring is connected with sample and carrier fluid, sampling pump is with sample, carrier fluid and reductive agent pump into four-way hybrid reaction module, be connected with the one-level gas-liquid separator after the outlet of four-way hybrid reaction module in turn, secondary gas-liquid separator and atomizer, the one-level gas-liquid separator also is connected with waste drains pump, and waste drains pump enters waste liquid barrel with the waste liquid in the one-level gas-liquid separator.Whole apparatus structure is simple, and is rationally distributed; Adopt sample introduction and removal waste fluid to separate the mode of control, control mode is more flexible; Adopt the two-stage gas-liquid separator to realize the high efficiency separation of gas and liquid; Global design is science more, and installation and maintenance is more convenient to operate.It is applicable to the sample introduction in the atomic spectroscopic analysis of industries such as environmental protection, clinical medicine, agricultural, geology metallurgy, pharmaceutical industry, petrochemical industry and the usefulness of hydride generation.
Description
Technical field
The present invention relates to a kind of atomic fluorescence spectrometer, be specifically related to a kind of sample introduction and hydride generation process and system that is used for atomic fluorescence spectrometer.
Background technology
Atomic fluorescence spectrometry is the spectral analysis technique that middle 1960s proposes and grow up, and is an important branch in the atomic spectroscopy, and it is the comprehensive and development of atomic absorption and atomic emission spectrum, is a kind of good trace analysis technology.
In the prior art; atomic fluorescence spectrometer is mainly used in and detects Hg; the ppt level of As, Se, Te, Bi, Sb, Sn or other elements detects; it is widely used in industries such as environmental protection, clinical medicine, agricultural, geology metallurgy, pharmaceutical industry, petrochemical industry; it not only can measure metallic element, and can be used for measuring nonmetalloid and organic compound indirectly.Atomic fluorescence spectrophotometric (AFS) is to utilize the wavelength of atomic fluorescence spectral line and the qualitative and quantitative analysis method that intensity is carried out material, its ultimate principle is that atomic vapour absorbs after the optical radiation of characteristic wavelength, atom is excited to high level, just launch the atomic fluorescence of certain wavelength when getting back to ground state then, analyze the content of the element of surveying again according to intensity of fluorescence.The basic structure of atomic fluorescence spectrometer comprises excitation source, atomizer, beam split technology and parts such as system, detecting device, signal amplifier and data processor.
It all is single pump control that the sample introduction of existing atomic fluorescence spectrometer and hydride take place, be that sample introduction product and removal waste fluid are finished by a pump, pump speed can not separately be controlled, if problem can cause waste liquid to accumulate, cause instrument damage, partial hydrogenation thing gas and waste liquid are discharged simultaneously, cause the instrumental sensitivity loss, such control mode is dumb, and the user is left with no alternative, and also has problems such as gas-liquid separation efficient is low, installation and maintenance inconvenience.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of sample introduction and hydride generation process and system that is used for atomic fluorescence spectrometer is provided, it has solved technological deficiency and design drawback that the atomic fluorescence spectrometer waste liquid accumulates.
The present invention is for satisfying above-mentioned purpose, by the following technical solutions: a kind of sample introduction and hydride generation process that is used for atomic fluorescence spectrometer, testing sample is pumped into the liquid storage ring by sampling pump and deposits, described then sampling pump pumps into carrier fluid, described carrier fluid promotes described sample and advances, described then sample and the reductive agent that pumps into meet and vigorous reaction generation hydride gas in four-way hybrid reaction module, hydride gas that reaction produces and waste liquid are under the promotion of carrier gas, after entering the one-level gas-liquid separator and fully reacting, under the effect of waste drains pump, the waste liquid that reaction produces is discharged into waste liquid barrel, and the hydride gas that reaction produces continues under the promotion of carrier gas the separation through the secondary gas-liquid separator, and final and assist gas together enters atomizer and carries out atomization.
Further, described carrier fluid is hydrochloric acid or nitric acid.
Further, described carrier gas is an argon gas.
Further, described assist gas is an argon gas.
Further, described reductive agent is potassium borohydride or sodium borohydride.
A kind ofly be used to implement the above-mentioned system that is used for the sample introduction and the hydride generation process of atomic fluorescence spectrometer, it comprises four-way hybrid reaction module and sampling pump, described four-way hybrid reaction module has three inlets and an outlet, described three inlets are connected with the liquid storage ring respectively, carrier gas and reductive agent, the other end connection of described liquid storage ring is connected with sample and carrier fluid, described sampling pump is with described sample, carrier fluid and reductive agent pump into described four-way hybrid reaction module, be connected with the one-level gas-liquid separator after the described outlet in turn, secondary gas-liquid separator and atomizer, described one-level gas-liquid separator also is connected with waste drains pump, and described waste drains pump enters waste liquid barrel with the waste liquid in the described one-level gas-liquid separator.
Based on above-mentioned design, the invention has the advantages that: whole apparatus structure is simple, and is rationally distributed; Adopt sample introduction and removal waste fluid to separate the mode of control, control mode is more flexible; Adopt the two-stage gas-liquid separator to realize the high efficiency separation of gas and liquid; Global design is science more, and installation and maintenance is more convenient to operate.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.State with other purposes, feature and advantage and can become apparent on the present invention for allowing, embodiment cited below particularly also cooperates appended graphicly, is described in detail below.
Description of drawings
Fig. 1 is the sample introduction that is used for atomic fluorescence spectrometer of one of the present invention embodiment and the process flow diagram of hydride generating system;
Specific embodiments:
Please refer to shown in Figure 1, a kind of system that is used for the sample introduction and the hydride generation process of atomic fluorescence spectrometer of the present invention, it comprises four-way hybrid reaction module 11 and sampling pump 12, four-way hybrid reaction module 11 has three inlets 111,112,113 and one outlet 114, three inlets are connected with liquid storage ring 13 respectively, carrier gas 14 and reductive agent 15, the other end connection of liquid storage ring 13 is connected with sample 16 and carrier fluid 17, sampling pump 12 is with sample 16, carrier fluid 17 pumps into four-way hybrid reaction module 11 with reductive agent 15, be connected with one-level gas-liquid separator 18 in turn after the outlet 114 of four-way hybrid reaction module 11, secondary gas-liquid separator 19 and atomizer 20, one-level gas-liquid separator 18 also is connected with waste drains pump 21, waste drains pump 21 enters a waste liquid barrel 22 with the waste liquid in the one-level gas-liquid separator 18, atomizer 20 also is connected with assist gas 23, in the present embodiment, carrier fluid 17 is an acid solution, carrier gas 14 is an argon gas, and assist gas 23 is an argon gas, and reductive agent 15 is potassium borohydride or sodium borohydride.
The technological process of total system is: testing sample 16 is pumped into liquid storage ring 13 by sampling pump 12 and deposits, sampling pump 12 pumps into carrier fluid 17 then, carrier fluid 17 promotes sample 16 and advances, sample 16 meets and vigorous reaction generation hydride gas in four-way hybrid reaction module 11 with the reductive agent 15 that pumps into then, hydride gas that reaction produces and waste liquid are under the promotion of carrier gas 14, after entering the 18 abundant reactions of one-level gas-liquid separator, under the effect of waste drains pump 21, the waste liquid that reaction produces is discharged into waste liquid barrel 22, and the hydride gas that reaction produces continues under the promotion of carrier gas 14 separation through secondary gas-liquid separator 19, and final and assist gas 23 together enters atomizer 20 and carries out atomization.
Claims (10)
1. a sample introduction and hydride generation process that is used for atomic fluorescence spectrometer, it is characterized in that: testing sample is pumped into the liquid storage ring by sampling pump and deposits, described then sampling pump pumps into carrier fluid, described carrier fluid promotes described sample and advances, described then sample and the reductive agent that pumps into meet and vigorous reaction generation hydride gas in four-way hybrid reaction module, hydride gas that reaction produces and waste liquid are under the promotion of carrier gas, after entering the one-level gas-liquid separator and fully reacting, under the effect of waste drains pump, the waste liquid that reaction produces is discharged into waste liquid barrel, and the hydride gas that reaction produces continues under the promotion of carrier gas the separation through the secondary gas-liquid separator, and final and assist gas together enters atomizer and carries out atomization.
2. sample introduction and the hydride generation process that is used for atomic fluorescence spectrometer as claimed in claim 1 is characterized in that: described carrier fluid is an acid solution.
3. sample introduction and the hydride generation process that is used for atomic fluorescence spectrometer as claimed in claim 1 is characterized in that: described carrier gas is an argon gas.
4. sample introduction and the hydride generation process that is used for atomic fluorescence spectrometer as claimed in claim 1 is characterized in that: described assist gas is an argon gas.
5. sample introduction and the hydride generation process that is used for atomic fluorescence spectrometer as claimed in claim 1 is characterized in that: described reductive agent is potassium borohydride or sodium borohydride.
6. one kind is used to implement the sample introduction of atomic fluorescence spectrometer and the system of hydride generation process and system of being used for as claimed in claim 1, it comprises four-way hybrid reaction module and sampling pump, described four-way hybrid reaction module has three inlets and an outlet, described three inlets are connected with the liquid storage ring respectively, carrier gas and reductive agent, the other end connection of described liquid storage ring is connected with sample and carrier fluid, described sampling pump is with described sample, carrier fluid and reductive agent pump into described four-way hybrid reaction module, be connected with the one-level gas-liquid separator after the described outlet in turn, secondary gas-liquid separator and atomizer, it is characterized in that: described one-level gas-liquid separator also is connected with waste drains pump, and described waste drains pump enters waste liquid barrel with the waste liquid in the described one-level gas-liquid separator.
7. sample introduction and the hydride generating system that is used for atomic fluorescence spectrometer as claimed in claim 6, it is characterized in that: described atomizer also is connected with assist gas, and described assist gas is an argon gas.
8. sample introduction and the hydride generating system that is used for atomic fluorescence spectrometer as claimed in claim 6 is characterized in that: described carrier fluid is an acid solution.
9. sample introduction and the hydride generating system that is used for atomic fluorescence spectrometer as claimed in claim 6 is characterized in that: described carrier gas is an argon gas.
10. sample introduction and the hydride generating system that is used for atomic fluorescence spectrometer as claimed in claim 1 is characterized in that: described reductive agent is potassium borohydride or sodium borohydride.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101817678A CN101609046A (en) | 2009-07-23 | 2009-07-23 | A kind of sample introduction and hydride generation process and system that is used for atomic fluorescence spectrometer |
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| CNA2009101817678A CN101609046A (en) | 2009-07-23 | 2009-07-23 | A kind of sample introduction and hydride generation process and system that is used for atomic fluorescence spectrometer |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913562A (en) * | 2010-07-28 | 2010-12-15 | 河北科技大学 | Automatic hydride generating system used for organotin headspace solid-phase microextraction |
| CN102519933A (en) * | 2011-12-20 | 2012-06-27 | 苏州硒谷科技有限公司 | Method for determining form of selenium in selenium-enriched edible fungi |
| CN103018227A (en) * | 2012-12-27 | 2013-04-03 | 江苏德林环保技术有限公司 | On-line in-water heavy metal monitor based on atomic fluorescence spectroscopy |
| CN104028174A (en) * | 2013-03-04 | 2014-09-10 | 北京普析通用仪器有限责任公司 | Multi-element chemical steam generating device and method |
| CN104655598A (en) * | 2013-11-25 | 2015-05-27 | 北京瑞利分析仪器有限公司 | Hydride generation and sample introduction method of germanium |
| CN105300755A (en) * | 2015-09-15 | 2016-02-03 | 北京普析通用仪器有限责任公司 | Coupling device of hydride generator and microwave plasma mass spectrometer |
| CN106198477A (en) * | 2016-07-29 | 2016-12-07 | 北京宝德仪器有限公司 | Hydride generation system and method for generation for atomic fluorescence spectrometer |
| CN107037115A (en) * | 2017-04-17 | 2017-08-11 | 中国科学院海洋研究所 | A kind of ICP MS hydride sampling system and its method for detecting hydride |
| CN108562476A (en) * | 2018-05-25 | 2018-09-21 | 北京海光仪器有限公司 | A kind of Separate System of Water-jet for the sample introduction that reacts for chemical evapn |
| CN108776120A (en) * | 2018-04-17 | 2018-11-09 | 力合科技（湖南）股份有限公司 | A kind of atomic fluorescence analysis system and method |
| CN109752331A (en) * | 2017-11-07 | 2019-05-14 | 谈欣妍 | A kind of New Hydrogen compound generating device and its application method |
| WO2020088463A1 (en) * | 2018-10-29 | 2020-05-07 | 伯侨（重庆）重金属科学技术研究院有限公司 | Fluid delivery system, instrumental analysis method, and analysis device employing water as carrier fluid for general use in instrumental analysis |
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2009
- 2009-07-23 CN CNA2009101817678A patent/CN101609046A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913562A (en) * | 2010-07-28 | 2010-12-15 | 河北科技大学 | Automatic hydride generating system used for organotin headspace solid-phase microextraction |
| CN102519933A (en) * | 2011-12-20 | 2012-06-27 | 苏州硒谷科技有限公司 | Method for determining form of selenium in selenium-enriched edible fungi |
| CN103018227A (en) * | 2012-12-27 | 2013-04-03 | 江苏德林环保技术有限公司 | On-line in-water heavy metal monitor based on atomic fluorescence spectroscopy |
| CN104028174B (en) * | 2013-03-04 | 2016-03-23 | 北京普析通用仪器有限责任公司 | The chemical evapn generating means of multielement and method thereof |
| CN104028174A (en) * | 2013-03-04 | 2014-09-10 | 北京普析通用仪器有限责任公司 | Multi-element chemical steam generating device and method |
| CN104655598A (en) * | 2013-11-25 | 2015-05-27 | 北京瑞利分析仪器有限公司 | Hydride generation and sample introduction method of germanium |
| CN105300755A (en) * | 2015-09-15 | 2016-02-03 | 北京普析通用仪器有限责任公司 | Coupling device of hydride generator and microwave plasma mass spectrometer |
| CN106198477A (en) * | 2016-07-29 | 2016-12-07 | 北京宝德仪器有限公司 | Hydride generation system and method for generation for atomic fluorescence spectrometer |
| CN107037115A (en) * | 2017-04-17 | 2017-08-11 | 中国科学院海洋研究所 | A kind of ICP MS hydride sampling system and its method for detecting hydride |
| CN107037115B (en) * | 2017-04-17 | 2023-11-07 | 中国科学院海洋研究所 | ICP-MS hydride sampling system and hydride detection method thereof |
| CN109752331A (en) * | 2017-11-07 | 2019-05-14 | 谈欣妍 | A kind of New Hydrogen compound generating device and its application method |
| CN108776120A (en) * | 2018-04-17 | 2018-11-09 | 力合科技（湖南）股份有限公司 | A kind of atomic fluorescence analysis system and method |
| CN108562476A (en) * | 2018-05-25 | 2018-09-21 | 北京海光仪器有限公司 | A kind of Separate System of Water-jet for the sample introduction that reacts for chemical evapn |
| CN108562476B (en) * | 2018-05-25 | 2023-09-01 | 北京海光仪器有限公司 | Gas-liquid separation system for chemical vapor generation reaction sample injection |
| WO2020088463A1 (en) * | 2018-10-29 | 2020-05-07 | 伯侨（重庆）重金属科学技术研究院有限公司 | Fluid delivery system, instrumental analysis method, and analysis device employing water as carrier fluid for general use in instrumental analysis |
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Open date: 20091223 |