CN101250708A - Binode electro-chemistry hydride generator - Google Patents
Binode electro-chemistry hydride generator Download PDFInfo
- Publication number
- CN101250708A CN101250708A CN 200710157128 CN200710157128A CN101250708A CN 101250708 A CN101250708 A CN 101250708A CN 200710157128 CN200710157128 CN 200710157128 CN 200710157128 A CN200710157128 A CN 200710157128A CN 101250708 A CN101250708 A CN 101250708A
- Authority
- CN
- China
- Prior art keywords
- binode
- electro
- negative electrode
- hydride
- generator according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 150000004678 hydrides Chemical class 0.000 title claims abstract description 35
- 230000005518 electrochemistry Effects 0.000 title claims description 14
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 10
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000003556 assay Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 12
- 238000001479 atomic absorption spectroscopy Methods 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000001391 atomic fluorescence spectroscopy Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 10
- 229910052697 platinum Inorganic materials 0.000 claims 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052785 arsenic Inorganic materials 0.000 abstract description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052711 selenium Inorganic materials 0.000 abstract description 3
- 239000011669 selenium Substances 0.000 abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005868 electrolysis reaction Methods 0.000 abstract description 2
- 229910052732 germanium Inorganic materials 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 3
- 238000001675 atomic spectrum Methods 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A binode electrochemical hydride generator relates to an electrochemical hydride generating device which utilizes nascent state hydrogen which is produced through electrolysis to form volatile hydride with tested elements (such as arsenic, selenium, stibium and germanium) and a combined device which is connected with a checking device and realizes that the components of tested samples is analyzed and tested to form the hydride on line and high sensibility is checked on line. The generator is provided with shells and is the hydride generating device which is composed of a binode single cathode and cation exchange resin membrane, an input interface and an output interface of anode electrolyte are respectively arranged on two anode shells, a tee input interface which analyzes the components of the tested samples and cathode electrolyte and an output interface which is connected with the checking device are arranged on a cathode shell, two pieces of cation exchange resin membrane are respectively clung on two sides of a cathode, and the tee input interface, the cathode, the output interface which is connected with the checking device are located on a same central line. The generator has the advantages of little sample consumption, good reproducibility, rapid analyzing speed, and the generator can operate for a long time continuously, the hydride generating reaction efficiency of the tested elements reaches more than 99%, and the like.
Description
Technical field
The present invention relates to a kind of hydrogen in statu nascendi of electrolysis generation and electrochemical hydride generating unit that tested element (as arsenic, selenium, antimony, germanium) forms volatile hydride of utilizing, be used for the analysis (as Atomic Fluorescence Spectroscopy (AFS), Atomic Absorption Spectroscopy AAS, plasma emission spectrometer) of atomic spectrum, realize that the ON-LINE SEPARATION of assay determination sample component, online hydride take place, the combined apparatus of online high-sensitivity detection.
Background technology
Current, when utilizing the high-sensitivity detection performance of instruments such as atomic spectrum such as Atomic Fluorescence Spectroscopy (AFS), Atomic Absorption Spectroscopy AAS, plasma emission spectrometer to carry out the detection of volatile element, all use traditional chemical reducing agent (as POTASSIUM BOROHYDRIDE etc.) to carry out hydride and react, its chemical reducing agent stability influence assay determination result's accuracy and the efficient of assay determination work.
So far, people only did some to the electrochemical hydride producer of single anode list negative electrode and explored, and the efficient that its hydride reacts is lower, and reports such as Russian scholar Smirnov M.K. only were 60%～70% in 2007.
Summary of the invention
The invention provides a kind of high-sensitivity detection performance of utilizing instruments such as atomic spectrum such as Atomic Fluorescence Spectroscopy (AFS), Atomic Absorption Spectroscopy AAS, plasma emission spectrometer, carry out the electrochemical hydride generating unit of the online detection of tested element, but have reagent and sample consumption less, the hydride of favorable reproducibility, the fast long-time continuous operation of analysis speed, the tested element efficient that reacts reaches 99% with first-class advantage.Can be widely used in the analysis field that environmental monitoring, food safety, biological medicine, health and epidemic prevention etc. relate to volatile element compound (as arsenic, selenium, antimony, germanium).Still there is not similar functional device both at home and abroad.
Binode electro-chemistry hydride generator of the present invention is provided with: housing; By double anode, single negative electrode and two hydride generation systems that cation exchange resin membrane is formed; The input/output interface that has anolyte on two anodic housings respectively has the threeway input interface and the output interface that is connected assay determination sample component test set of assay determination sample component and catholyte on the housing of negative electrode; Two cation exchange resin membranes are respectively by being attached to two sides of negative electrode, and the output interface three of threeway input interface, negative electrode, joint detection equipment is in the same center line; Double anode list negative electrode by two independently dc constant flowing power power respectively, the current density of control cathode is 0.5Acm
-2About.
Description of drawings
Fig. 1 is the structure and the work synoptic diagram of Binode electro-chemistry hydride generator of the present invention.
Be labeled as among Fig. 1:
1,1 '-anode; The 2-negative electrode; 3,3 '-cation exchange resin membrane; 4,4 '-positive column; 5,5 '-cathodic area; 6,6 '-the anolyte input interface; 7,7 '-the anolyte output interface; 8-catholyte input interface; 9-assay determination sample component input interface; The output interface of 10-joint detection equipment.
Embodiment
As shown in Figure 1, two anodes 1,1 ' lay respectively at both sides of negative electrode 2, the titanium metal wire anode of long 110mm diameter 2mm places the centre of positive column, each positive column 4,4 ' volume be respectively 55 * 13 * 10mm, have respectively on two anode casings anolyte input interface 6,6 ' and anolyte output interface 7,7 '.Each cathodic area 5,5 ' volume are respectively 55 * 13 * 0.2mm, the threeway input interface of 55 * 13 * 2mm lead metal plate negative electrode, assay determination sample component and catholyte, the output interface three of joint detection equipment are in the same center line, and have catholyte input interface 8 and the three-way interface of assay determination sample component input interface 9, the output interface 10 of joint detection equipment on the cathode shell.Two cation exchange resin membranes 3,3 ' respectively are by on two sides that are attached to negative electrode 2.Housing adopts tetrafluoroethylene or anti-corrosion plastics.
0.50molL during work
-1H
2SO
4Electrolytic solution is transported to anolyte input interface 6,6 ' and catholyte input interface 8 respectively by peristaltic pump, and the flow of anolyte is 4mLmin
-1, the flow of catholyte is 1mLmin
-1The assay determination sample component is by input interface 9 inputs, the volatile hydride of the assay determination element after electrochemical hydride reacts and catholyte are by output interface 10 outputs of joint detection equipment, double anode list negative electrode by two independently dc constant flowing power power respectively, the current density of control cathode is 0.5Acm
-2About.
Owing to adopt the structure of double anode list negative electrode, the surface of negative electrode is fully used, and two cation exchange resin membranes 3,3 ' respectively are by being attached to the both sides of negative electrode 2, the dead volume of negative electrode is very little, reduced of dilution and the diffusion of assay determination sample component, improved the sensitivity of assay determination in the cathodic area.
Owing to adopt bigger positive column volume, reduced the temperature rise of electrochemical hydride producer, and helped keeping the working temperature substantially constant of electrochemical hydride producer, thereby improved the precision of assay determination.
Claims (10)
1. a Binode electro-chemistry hydride generator is characterized in that being provided with housing, by double anode, single negative electrode and two hydride generation systems that cation exchange resin membrane is formed; The input/output interface that has anolyte on two anodic housings respectively has the threeway input interface and the output interface that is connected assay determination sample component test set of assay determination sample component and catholyte on the housing of negative electrode; Two cation exchange resin membranes are respectively by on two sides that are attached to negative electrode, and the output interface three of threeway input interface, negative electrode, joint detection equipment is in the same center line.
2. Binode electro-chemistry hydride generator according to claim 1 is characterized in that the housing of electrochemical hydride producer adopts tetrafluoroethylene or anti-corrosion plastics.
3. Binode electro-chemistry hydride generator according to claim 1 is characterized in that anode is a kind of platinum or titanium metal, and negative electrode is a kind of platinum or lead metal.
4. Binode electro-chemistry hydride generator according to claim 1 is characterized in that anode is the metal sheet of a kind of platinum or titanium, also can be the wire of a kind of platinum or titanium.
5. Binode electro-chemistry hydride generator according to claim 1 is characterized in that negative electrode is a kind of platinum or plumbous metal sheet.
6. Binode electro-chemistry hydride generator according to claim 1 is characterized in that two anodes place the both sides of negative electrode respectively.
7. Binode electro-chemistry hydride generator according to claim 1 is characterized in that two sides of negative electrode are pasted cation exchange resin membrane respectively.
8. Binode electro-chemistry hydride generator according to claim 1 is characterized in that threeway input interface, the negative electrode of assay determination sample component and catholyte, the output interface three of joint detection equipment are in the same center line.
9. Binode electro-chemistry hydride generator according to claim 1, it is characterized in that double anode list negative electrode by two independently dc constant flowing power power respectively, the current density of control cathode is 0.5Acm
-2About.
10. Binode electro-chemistry hydride generator according to claim 1 is characterized in that assay determination sample component test set is Atomic Fluorescence Spectroscopy (AFS), Atomic Absorption Spectroscopy AAS, plasma emission spectrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101571289A CN100558941C (en) | 2007-12-03 | 2007-12-03 | Binode electro-chemistry hydride generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101571289A CN100558941C (en) | 2007-12-03 | 2007-12-03 | Binode electro-chemistry hydride generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101250708A true CN101250708A (en) | 2008-08-27 |
| CN100558941C CN100558941C (en) | 2009-11-11 |
Family
ID=39954304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101571289A Expired - Fee Related CN100558941C (en) | 2007-12-03 | 2007-12-03 | Binode electro-chemistry hydride generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100558941C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526225A (en) * | 2013-10-10 | 2014-01-22 | 武汉远大弘元股份有限公司 | Double-layer meshy negative electrode electrolytic bath |
| CN103526226A (en) * | 2013-10-28 | 2014-01-22 | 武汉远大弘元股份有限公司 | Novel electrolytic tank |
| CN104237449A (en) * | 2014-08-21 | 2014-12-24 | 浙江大学 | Barium carbonate electrolytic dissolution device |
| CN108760435A (en) * | 2018-07-18 | 2018-11-06 | 天津师范大学 | A kind of electrochemical appliance and purposes being used for preparing element hydride |
| CN110612365A (en) * | 2017-05-19 | 2019-12-24 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN110612366A (en) * | 2017-05-19 | 2019-12-24 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN110621810A (en) * | 2017-05-19 | 2019-12-27 | 昭和电工株式会社 | Method for electrochemically producing germane |
-
2007
- 2007-12-03 CN CNB2007101571289A patent/CN100558941C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526225A (en) * | 2013-10-10 | 2014-01-22 | 武汉远大弘元股份有限公司 | Double-layer meshy negative electrode electrolytic bath |
| CN103526225B (en) * | 2013-10-10 | 2017-01-18 | 武汉远大弘元股份有限公司 | Double-layer meshy negative electrode electrolytic bath |
| CN103526226A (en) * | 2013-10-28 | 2014-01-22 | 武汉远大弘元股份有限公司 | Novel electrolytic tank |
| CN104237449A (en) * | 2014-08-21 | 2014-12-24 | 浙江大学 | Barium carbonate electrolytic dissolution device |
| CN104237449B (en) * | 2014-08-21 | 2016-06-08 | 浙江大学 | Brium carbonate electrodissolution device |
| CN110612365A (en) * | 2017-05-19 | 2019-12-24 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN110612366A (en) * | 2017-05-19 | 2019-12-24 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN110621810A (en) * | 2017-05-19 | 2019-12-27 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN110612365B (en) * | 2017-05-19 | 2022-04-05 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN110612366B (en) * | 2017-05-19 | 2022-04-05 | 昭和电工株式会社 | Method for electrochemically producing germane |
| CN108760435A (en) * | 2018-07-18 | 2018-11-06 | 天津师范大学 | A kind of electrochemical appliance and purposes being used for preparing element hydride |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100558941C (en) | 2009-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100558941C (en) | Binode electro-chemistry hydride generator | |
| Clark et al. | Differential electrochemical mass spectrometer cell design for online quantification of products produced during electrochemical reduction of CO2 | |
| CN101788522B (en) | Chemical oxygen demand (COD) on-line monitoring device and method based on boron-doped diamond membrane electrode | |
| CN105866448A (en) | Water quality heavy metal online monitoring instrument | |
| US8925374B2 (en) | Electrochemical detection cell for liquid chromatography system | |
| CN106568833B (en) | A kind of liquid cathode glow discharge optical emission spectrometry device and method for heavy metal analysis | |
| CN102331450A (en) | Poisonous and harmful gas detection chip and preparation method thereof | |
| CN101236183A (en) | Ion chromatograph -double anode electrochemical hydride generation atomic fluorescent on-line combined system | |
| CN111304675B (en) | Multipurpose electrochemical carbon dioxide reduction electrolytic cell | |
| Corson et al. | A temperature-controlled photoelectrochemical cell for quantitative product analysis | |
| CN203672824U (en) | Integrated electrochemical heavy metal detection sensor with stirring function | |
| EP2269046B1 (en) | Electrochemical measurement system for trace heavy metals in waste water | |
| Lin et al. | Integrated microfluidics/electrochemical sensor system for monitoring of environmental exposures to lead and chlorophenols | |
| Noyhouzer et al. | A new electrochemical flow cell for the remote sensing of heavy metals | |
| Ye et al. | A laminar flow microfluidic fuel cell for detection of hexavalent chromium concentration | |
| Rassaei et al. | Electrochemiluminescence: fundamentals to applications | |
| CN1942755A (en) | Plasma generating equipment | |
| EP0418886B1 (en) | Apparatus and method for minimizing the effects of an electrolyte's dissolved oxygen content in low range oxygen analyzers | |
| Krüger et al. | SO2 Solubility in 50 wt% H2SO4 at Elevated Temperatures and Pressures | |
| Zheng et al. | Elemental Analysis of Environmental Waters by Solution Cathode Glow Discharge—Atomic Emission Spectrometry (SCGD-AES) with a Multifunctional Injection System | |
| CN114739897A (en) | Test system and test method for researching metal corrosion behavior through electrochemical test | |
| Dweik et al. | Rapid determination of total organic carbon (toc) in water systems | |
| CN112858259A (en) | Hydride generation-atmospheric pressure liquid anode glow discharge atomic spectrum device | |
| CN221707297U (en) | Electrochemical vapor generation-liquid cathode glow discharge detection device | |
| CN201561953U (en) | High-efficiency coulometric titration cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20101203 |