CN201697878U - Atomic fluorescence spectrometry morphological analysis device for online prereduction of trivalent arsenic and pentavalent arsenic - Google Patents
Atomic fluorescence spectrometry morphological analysis device for online prereduction of trivalent arsenic and pentavalent arsenic Download PDFInfo
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- CN201697878U CN201697878U CN2010202050318U CN201020205031U CN201697878U CN 201697878 U CN201697878 U CN 201697878U CN 2010202050318 U CN2010202050318 U CN 2010202050318U CN 201020205031 U CN201020205031 U CN 201020205031U CN 201697878 U CN201697878 U CN 201697878U
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Abstract
The utility model discloses an atomic fluorescence spectrometry morphological analysis device for online prereduction of trivalent arsenic and pentavalent arsenic, which comprises a thermostatic waterbath mixing system, a sequential injection hydrogenation generation system, an atomic fluorescence spectrometry detection system and a system control, data acquisition and analysis system, wherein the atomic fluorescence spectrometry detection system is used for carrying out element detection on a hydride generated by the sequential injection hydrogenation generation system through an atomic fluorescence spectrometry detection mode; the system control, data acquisition and analysis system is used for controlling the sequential injection hydrogenation generation system and transmitting the detection result of the atomic fluorescence spectrometry detection system to a computer for processing; the thermostatic water bath mixing system and the sequential injection hydrogenation generation system are connected through a pipeline; and the sequential injection hydrogenation generation system and the atomic fluorescence spectrometry detection system are connected through the pipeline. The utility model is used for the online prereduction of the pentavalent arsenic, can automatically control the reduction process, effectively solves the interference problems among valence states and realizes the morphological analysis on the arsenic element of the metal pollutants of the marine environment system.
Description
Technical field:
The utility model belongs to the ultimate analysis field, particularly the atomic fluorescence spectrophotometry morphological analysis means of trivalent arsenic and the online prereduction of pentavalent arsenic.
Background technology:
China be one populous, land resources scarcity, and have the ocean big country of more than 300 ten thousand square kilometres of Precincts.Seawater is most valuable and the limited natural resource.Current, social economy develops rapidly along with the coastland, and oceanographic engineering construction and ocean development activity are frequent day by day, and a large amount of industrial waste waters and sanitary sewage are by channel discharge into seas such as river, the direct sewage draining exit of enterprise and municipal wastewater sewage draining exits.Metal pollution thing in the seawater, having become influences human survival and healthy significant problem.
The crucial ecological effect of metal pollutant depends primarily on the form of the metal pollutant that this material exists in environment, rather than its total amount.Along with people to the deepening continuously of minor metallic element polluting effect understanding, to the standard study on monitoring of corresponding trace metal contamination element from total quantitative determination synform attitude analysis directions development.
This area personage is well-known, the marine environment system comprises that seawater and rivers estuary and Lu Yuan go into the metal pollutant in the extra large sewage draining exit, can be starting point by water body, enter into formed " water body-water body biology-human body " food chain circulating system, make the constantly enrichment in the relevant sample in ocean of minor metallic element pollutant, cause that the biology and the whole mankind are injured, pathogenic even dead.Arsenic is monitoring elements important in seawater pollution and the marine environmental monitoring.Mainly there are arsenious acid (H3AsO3) and arsenic acid (H3AsO4) in the seawater, organic methyl arsenic of minute quantity is arranged in addition.The toxicity of arsenic has notable difference with the form difference, and the toxicity of inorganic arsenic is big than the toxicity of organo-arsenic.As (III) is the most malicious form of arsenic element, and the toxicity of As (V) etc. reduces successively.In " ocean water quality standard " and " marine monitoring standard " that the existing promulgation of China is carried out, although the standard determination method for major metal pollution element total concentrations such as As clearly stipulates not have the standard method of metal pollutant such as As, Hg morphological analysis in the seawater temporarily.Therefore; carry out the research of morphological analysis method such as arsenic in the marine environment system; can estimate the seawater pollution degree better; to further reinforcement with improve the monitoring of metal pollution thing in each marine environment system; the resource of protecting the marine environment, the infringement of preventing and remedying pollution, maintaining ecological balance; ensure health, promote society and economic sustainable development to have very far reaching significance.
At present, high performance liquid chromatography (HPLC) is to detect the most effective analytical approach of minor metallic element form with inductively coupled plasma spectrometry mass spectrum (ICP-MS) coupling technique, but because of it costs an arm and a leg, difficult universal in common laboratory.At home, when carrying out micro-morphological analysis such as marine environment system arsenic, hydride generation atomic fluorescence spectrometry is because of being easy to avoid the interference of matrix extensively to see bibliographical information.But because the hydride generation atomic fluorescence spectrometry reaction system needs certain acidity to satisfy the requirement that forms argon hydrogenation flame, making the interference that brings pentavalent arsenic inevitably when trivalent arsenic is analyzed carrying out finally influences the practical application of this method.
The utility model content:
The technical matters that the utility model solved provides the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic and the online prereduction of pentavalent arsenic, be used for the online prereduction of pentavalent arsenic, effectively solve the interference problem between valence state, avoid artificial pre-treatment process loaded down with trivial details in the offline restore and consuming time, realize arsenic morphology automatically and express-analysis.
For achieving the above object, the technical solution adopted in the utility model is as follows:
The atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic and the online prereduction of pentavalent arsenic is characterized in that, comprises
One water bath with thermostatic control commingled system is used for the solution of solution mixing test tube is carried out thermostatic control;
One sequential injection hydrogenation generation systems, the solution that is used for importing by the sequential injection mode carry out hydrogenation and generate hydride gas;
One atomic fluorescence spectrophotometry detection system is used for carrying out element by the hydride that the atomic fluorescence spectrophotometry detection mode generates described sequential injection hydrogenation generation systems and detects;
The control of one system, data acquisition and analytic system are used for control sequence injection hydrogenation generation systems, and the testing result of atomic fluorescence spectrophotometry detection system is transferred to computing machine and handles;
Between described water bath with thermostatic control commingled system and the sequential injection hydrogenation generation systems, be connected by pipeline between described sequential injection hydrogenation generation systems and the atomic fluorescence spectrophotometry detection system.
Further, described water bath with thermostatic control commingled system comprises solution mixing test tube and the heating arrangement that is used to heat described solution mixing test tube.
Further, described sequential injection hydrogenation generation systems comprises hydrogenation generation systems pump valve parts, hydrogenation generation systems control circuit, hydrogenation generation systems internal control program, wherein hydrogenation generation systems pump valve parts comprise syringe pump, liquid storage pipe, multidigit selector valve, mixed block, gas-liquid separator, peristaltic pump, and each parts connects successively by connecting pipe; Described water bath with thermostatic control commingled system is connected to multidigit selector valve in the sequential injection hydrogenation generation systems by pipeline.
Further, the control of described system, data acquisition and analytic system comprise that one installs the computer system of seawater arsenium morphological analysis workstation software, and described seawater arsenium morphological analysis workstation software comprises sequential injection hydrogenation generation systems control function module, atomic fluorescence spectrophotometry detection system data acquisition function module and arsenium morphological analysis data processing function module.
Further, described pipeline is the vinyon pipeline.
The beneficial effects of the utility model provide the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic and the online prereduction of pentavalent arsenic, adopting sequential injection hydrogenation generation systems to detect with atomic fluorescence spectrophotometry combines, be used for the online prereduction of pentavalent arsenic, and control reduction process automatically, effectively solve the interference problem between valence state thus, realize morphological analysis marine environment system metal pollutant arsenic element.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the graph of a relation between each system in the utility model device.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth embodiment of the present utility model.
Fig. 1 is the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic of the utility model and the online prereduction of pentavalent arsenic, water bath with thermostatic control commingled system 23; The sequential injection hydrogenation generation systems 17 that comprises hydrogenation generation systems pump valve parts, hydrogenation generation systems control circuit, hydrogenation generation systems internal control program, wherein hydrogenation generation systems pump valve parts comprise syringe pump 8, liquid storage pipe 9, multidigit selector valve 10, mixed block 11, gas-liquid separator 12, peristaltic pump 13, and each parts connects successively by connecting pipe; And atomic fluorescence spectrophotometry detection system 24.Connection between each ingredient of sequential injection hydrogenation generation systems 17 is as follows: as shown in Figure 1, No. 2 positions of described syringe pump 8 are connected with an end of liquid storage pipe 9, the inlet of described multidigit selector valve 10 is connected with the other end of liquid storage pipe 9, an inlet in three inlets of its No. 1 position and mixed block 11 is connected, and the outlet of mixed block 11 is connected with the inlet of gas-liquid separator 12.
As shown in Figure 1, No. 4 positions of multidigit selector valve 10 are connected by a pipeline in described water bath with thermostatic control commingled system 23 and the sequential injection hydrogenation generation systems 17, and described pipeline can be selected the vinyon pipeline; Outlet in atomic fluorescence spectrophotometry detection system 24 and the sequential injection hydrogenation generation systems 17 in two outlets of gas-liquid separator 12 is connected by pipeline, and this pipeline can be selected the vinyon pipeline.
Fig. 2 is the graph of a relation between each system in the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic of the present utility model and the online prereduction of pentavalent arsenic, this device comprises that one is used for the solution of solution mixing test tube is carried out thermostatically controlled water bath with thermostatic control commingled system 23, and described water bath with thermostatic control commingled system 23 comprises solution mixing test tube and is used to heat the heating arrangement of described solution mixing test tube; One solution that is used for importing by the sequential injection mode carries out the sequential injection hydrogenation generation systems 17 that hydrogenation generates hydride gas; One atomic fluorescence spectrophotometry detection system 24 is used for carrying out element by the hydride that the atomic fluorescence spectrophotometry detection mode generates described sequential injection hydrogenation generation systems and detects; The control of one system, data acquisition and analytic system 25, be used for control sequence injection hydrogenation generation systems, and the testing result of atomic fluorescence spectrophotometry detection system is transferred to computing machine and handles, be connected with described atomic fluorescence spectrophotometry 24 detection systems by data line; The control of described system, data acquisition and analytic system 25 comprise that one installs the computer system of seawater arsenium morphological analysis workstation software, and described seawater arsenium morphological analysis workstation software comprises sequential injection hydrogenation generation systems control function module, atomic fluorescence spectrophotometry detection system data acquisition function module and arsenium morphological analysis data processing function module.
Described water bath with thermostatic control commingled system 23 and sequential injection hydrogenation generation systems 17 are connected by pipeline; Described sequential injection hydrogenation generation systems 17 and atomic fluorescence spectrophotometry detection system 24 are connected by the pipeline that is used for the hydride gas that sequential injection hydrogenation generation systems 17 generates is inputed to atomic fluorescence spectrophotometry detection system 24.
The use principle of this device, as shown in Figure 1, the hydrogenation generation systems internal control programmed control multidigit selector valve 10 of sequential injection hydrogenation generation systems 17 and syringe pump 8 carry out fast restore with the solution mixing test tube of seawater sample or pentavalent arsenic standard solution and its thiocarbamide-ascorbic acid solution reductive agent injection water bath with thermostatic control commingled system 23; It simultaneously, by syringe pump 8, multidigit selector valve 10 and peristaltic pump 13 carry out hybrid reaction with trivalent arsenic standard solution and potassium borohydride reduction agent with other reagent injection mixed block 11, are tested by the hydride of 24 pairs of gas-liquid separators of atomic fluorescence spectrophotometry detection system, 12 outputs and determine trivalent arsenic concentration; Then will be in the solution mixing test tube of water bath with thermostatic control commingled system 23 solution and the solution of potassium borohydride of reduction hybrid reaction and test definite total arsenic concentration in mixed block 11 fully by the hydride of 24 pairs of gas-liquid separators of atomic fluorescence spectrophotometry detection system, 12 outputs.Pentavalent arsenic concentration=total arsenic concentration-trivalent arsenic concentration, and the pentavalent arsenic concentration in acquisition seawater sample or the pentavalent arsenic standard solution.
Device of the present utility model is used for the online prereduction of pentavalent arsenic, and controls reduction process automatically, effectively solves the interference problem between valence state thus, realizes the morphological analysis to marine environment system metal pollutant arsenic element.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model not only is restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the atomic fluorescence spectrophotometry morphological analysis means of trivalent arsenic and the online prereduction of pentavalent arsenic is characterized in that, comprises
One water bath with thermostatic control commingled system is used for the solution of solution mixing test tube is carried out thermostatic control;
One sequential injection hydrogenation generation systems, the solution that is used for importing by the sequential injection mode carry out hydrogenation and generate hydride gas;
One atomic fluorescence spectrophotometry detection system is used for carrying out element by the hydride that the atomic fluorescence spectrophotometry detection mode generates described sequential injection hydrogenation generation systems and detects;
The control of one system, data acquisition and analytic system are used for control sequence injection hydrogenation generation systems, and the testing result of atomic fluorescence spectrophotometry detection system is transferred to computing machine and handles;
Between described water bath with thermostatic control commingled system and the sequential injection hydrogenation generation systems, be connected by pipeline between described sequential injection hydrogenation generation systems and the atomic fluorescence spectrophotometry detection system.
2. the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic according to claim 1 and the online prereduction of pentavalent arsenic is characterized in that: described water bath with thermostatic control commingled system comprises solution mixing test tube and is used to heat the heating arrangement of described solution mixing test tube.
3. the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic according to claim 1 and the online prereduction of pentavalent arsenic, it is characterized in that: described sequential injection hydrogenation generation systems comprises hydrogenation generation systems pump valve parts, hydrogenation generation systems control circuit, hydrogenation generation systems internal control program, wherein hydrogenation generation systems pump valve parts comprise syringe pump, liquid storage pipe, multidigit selector valve, mixed block, gas-liquid separator, peristaltic pump, and each parts connects successively by connecting pipe; Described water bath with thermostatic control commingled system is connected to multidigit selector valve in the sequential injection hydrogenation generation systems by pipeline.
4. the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic according to claim 1 and the online prereduction of pentavalent arsenic, it is characterized in that: the control of described system, data acquisition and analytic system comprise that one installs the computer system of seawater arsenium morphological analysis workstation software, and described seawater arsenium morphological analysis workstation software comprises sequential injection hydrogenation generation systems control function module, atomic fluorescence spectrophotometry detection system data acquisition function module and arsenium morphological analysis data processing function module.
5. the atomic fluorescence spectrophotometry morphological analysis means of a kind of trivalent arsenic according to claim 1 and the online prereduction of pentavalent arsenic is characterized in that: described pipeline is the vinyon pipeline.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262078A (en) * | 2010-05-25 | 2011-11-30 | 上海光谱仪器有限公司 | Method of atomic fluorescence spectrometry shape analysis by on-line pre-reducing trivalent arsonium and quinquivalent arsonium, and its apparatus |
| CN102353662A (en) * | 2011-07-05 | 2012-02-15 | 浙江出入境检验检疫局检验检疫技术中心 | Detection method for determining migration quantity of trace lead, cadmium, arsenic and antimony in food contact material by sequential injection-HG-AFS method |
| CN103822907A (en) * | 2014-02-20 | 2014-05-28 | 力合科技（湖南）股份有限公司 | Multi-parameter instrument used for atomic fluorescence spectrometry detection |
| CN106404965A (en) * | 2016-10-21 | 2017-02-15 | 杭州职业技术学院 | Automatic pretreatment device for PAH (polycyclic aromatic hydrocarbon) sample in PM2.5 |
| CN107561050A (en) * | 2017-10-18 | 2018-01-09 | 蓝靖 | Portable low-temp plasma automic fluorescence surveys arsenic analytical equipment |
| CN110618097A (en) * | 2019-09-04 | 2019-12-27 | 广东省测试分析研究所（中国广州分析测试中心） | Mercury morphological analysis pyrolysis device with adjustable and controllable temperature and flow rate and use method |
| CN110887823A (en) * | 2019-11-22 | 2020-03-17 | 同济大学 | Device and method for measuring iron in water sample by sequential injection-fluorescence method |
-
2010
- 2010-05-25 CN CN2010202050318U patent/CN201697878U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262078A (en) * | 2010-05-25 | 2011-11-30 | 上海光谱仪器有限公司 | Method of atomic fluorescence spectrometry shape analysis by on-line pre-reducing trivalent arsonium and quinquivalent arsonium, and its apparatus |
| CN102353662A (en) * | 2011-07-05 | 2012-02-15 | 浙江出入境检验检疫局检验检疫技术中心 | Detection method for determining migration quantity of trace lead, cadmium, arsenic and antimony in food contact material by sequential injection-HG-AFS method |
| CN102353662B (en) * | 2011-07-05 | 2012-12-05 | 浙江出入境检验检疫局检验检疫技术中心 | Detection method for determining migration quantity of trace lead, cadmium, arsenic and antimony in food contact material by sequential injection-HG-AFS method |
| CN103822907A (en) * | 2014-02-20 | 2014-05-28 | 力合科技（湖南）股份有限公司 | Multi-parameter instrument used for atomic fluorescence spectrometry detection |
| CN103822907B (en) * | 2014-02-20 | 2017-01-04 | 力合科技（湖南）股份有限公司 | Multiparameter instrument for atomic fluorescence spectrophotometry detection |
| CN106404965A (en) * | 2016-10-21 | 2017-02-15 | 杭州职业技术学院 | Automatic pretreatment device for PAH (polycyclic aromatic hydrocarbon) sample in PM2.5 |
| CN106404965B (en) * | 2016-10-21 | 2019-03-01 | 杭州职业技术学院 | A kind of automatic pretreating device for polyaromatic hydrocarbon samples in PM2.5 |
| CN107561050A (en) * | 2017-10-18 | 2018-01-09 | 蓝靖 | Portable low-temp plasma automic fluorescence surveys arsenic analytical equipment |
| CN110618097A (en) * | 2019-09-04 | 2019-12-27 | 广东省测试分析研究所（中国广州分析测试中心） | Mercury morphological analysis pyrolysis device with adjustable and controllable temperature and flow rate and use method |
| CN110887823A (en) * | 2019-11-22 | 2020-03-17 | 同济大学 | Device and method for measuring iron in water sample by sequential injection-fluorescence method |
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Granted publication date: 20110105 Termination date: 20120525 |