JP4991683B2 - 電気化学的電位自動補正装置 - Google Patents
電気化学的電位自動補正装置 Download PDFInfo
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- JP4991683B2 JP4991683B2 JP2008319538A JP2008319538A JP4991683B2 JP 4991683 B2 JP4991683 B2 JP 4991683B2 JP 2008319538 A JP2008319538 A JP 2008319538A JP 2008319538 A JP2008319538 A JP 2008319538A JP 4991683 B2 JP4991683 B2 JP 4991683B2
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- 238000012937 correction Methods 0.000 title claims description 33
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 43
- 239000008151 electrolyte solution Substances 0.000 claims description 43
- 239000003792 electrolyte Substances 0.000 claims description 39
- 235000011164 potassium chloride Nutrition 0.000 claims description 19
- 239000001103 potassium chloride Substances 0.000 claims description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910021397 glassy carbon Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910001510 metal chloride Inorganic materials 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000006870 function Effects 0.000 description 22
- 238000005259 measurement Methods 0.000 description 22
- 239000000460 chlorine Substances 0.000 description 11
- 229910021607 Silver chloride Inorganic materials 0.000 description 9
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000003411 electrode reaction Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 238000002848 electrochemical method Methods 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- -1 hydrogen ions Chemical class 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 229940075397 calomel Drugs 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HHAYSTJGIFAXHD-UHFFFAOYSA-L [Cu].[Cu+2].[O-]S([O-])(=O)=O Chemical compound [Cu].[Cu+2].[O-]S([O-])(=O)=O HHAYSTJGIFAXHD-UHFFFAOYSA-L 0.000 description 1
- 239000002152 aqueous-organic solution Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- GTKRFUAGOKINCA-UHFFFAOYSA-M chlorosilver;silver Chemical compound [Ag].[Ag]Cl GTKRFUAGOKINCA-UHFFFAOYSA-M 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/301—Reference electrodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Chemical & Material Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
AgCl+eDAg+Cl−;Silver- Silver Chloride Electrode(E=0.225V saturated)
Hg2 2++2eD2Hg,Hg2 2++2Cl−DHg2Cl2;Saturated calomel electrode(SCE)(E=+0.242V saturated)
Cu2++2eDCu;Copper−Copper(II)sulfate electrode(E=−0.318V)
AgCl+eDAg++Cl−;E°=0.222VSHE
EAg/AgCl=E°Ag/AgCl−0.059log(aCl)
Claims (8)
- 一端に電解質分離膜が形成され、内部に電極電解質溶液が充填される電極外部体と、該電極外部体に設置され、前記電極電解質溶液に浸漬するように形成されて、電気的に分離した二つ以上の内部電極とを含む基準電極、及び
前記二つ以上の内部電極に交流電圧を印加して前記電極電解質溶液の電気伝導度を測定して前記基準電極の基準電位変化に関する補正信号を出力する基準電位校正器を含み、
電解質の温度を測定する温度センサーを基準電極の内部または外部に含み、
前記二つ以上の内部電極間の距離が、0.01mm以上200mm以下であり、
前記電極電解質溶液の濃度が、10−6mol/L(M)から飽和濃度の間の範囲であることを特徴とする電気化学的電位自動補正装置。 - 前記二つ以上の内部電極が、金属、伝導性非金属、金属塩化物、金属酸化物及び金属硫化物のうちの一つ以上を含む材料で形成されていることを特徴とする請求項1に記載の電気化学的電位自動補正装置。
- 前記二つ以上の内部電極が、棒、線、管、網、板、薄膜、繊維のうちの一つ以上の形態に形成されていることを特徴とする請求項1に記載の電気化学的電位自動補正装置。
- 前記二つ以上の内部電極の数は、2個以上5個以下であることを特徴とする請求項1に記載の電気化学的電位自動補正装置。
- 前記金属及び伝導性非金属の材料が、銀(Ag)、水銀(Hg)、銅(Cu)、白金(Pt)、金(Au)、ニッケル(Ni)、チタン(Ti)、ジルコニウム(Zr)、モリブデン(Mo)、タングステン(W)、ガラス質炭素、黒鉛のうちの一つ以上を含むことを特徴とする請求項2に記載の電気化学的電位自動補正装置。
- 前記電極電解質が、塩化物、硫化物、臭素化物のうちの一つ以上を含むことを特徴とする請求項1に記載の電気化学的電位自動補正装置。
- 前記電極電解質が、塩化カリウム(KCl)及び塩化ナトリウム(NaCl)のうちの一つ以上を含むことを特徴とする請求項1に記載の電気化学的電位自動補正装置。
- 前記基準電極のセル距離係数(電極間距離/電極面積)が、10−8〜108m−1の範囲であることを特徴とする請求項1に記載の電気化学的電位自動補正装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0047496 | 2008-05-22 | ||
KR1020080047496A KR100974564B1 (ko) | 2008-05-22 | 2008-05-22 | 자동 교정 기능을 가지는 기준전극 및 이를 이용한전기화학적 전위 자동보정 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009282011A JP2009282011A (ja) | 2009-12-03 |
JP4991683B2 true JP4991683B2 (ja) | 2012-08-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008319538A Expired - Fee Related JP4991683B2 (ja) | 2008-05-22 | 2008-12-16 | 電気化学的電位自動補正装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4991683B2 (ja) |
KR (1) | KR100974564B1 (ja) |
GB (1) | GB2460130B8 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2476237B (en) * | 2009-12-15 | 2012-01-11 | Schlumberger Holdings | Calibration of electrochemical sensor |
CN104380094B (zh) * | 2012-03-08 | 2018-07-20 | 帕克-汉尼芬公司 | 分析物感测装置 |
EP3035044B1 (en) | 2014-12-19 | 2018-02-21 | Stichting IMEC Nederland | A drift compensated ion sensor |
GB2559619B (en) * | 2017-02-13 | 2020-02-12 | Anb Sensors Ltd | Sensor calibration system |
EP3695216A4 (en) * | 2017-10-11 | 2021-08-18 | ANB Sensors Limited | CALIBRATION ELECTRODE |
KR102264196B1 (ko) * | 2019-03-13 | 2021-06-14 | 주식회사 이너센서 | 센서 모듈 및 이의 자동 보정 방법 |
KR102609730B1 (ko) * | 2021-04-29 | 2023-12-05 | 주식회사 아이센스 | 전기화학 센서의 기준전위 보정 장치 및 방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0210459Y2 (ja) * | 1979-05-22 | 1990-03-15 | ||
HU181287B (en) * | 1981-03-13 | 1983-06-28 | Radelkis Electrokemiai | Electroanalytic measuring arrangement |
JPS61258160A (ja) * | 1985-04-30 | 1986-11-15 | Sadaichi Murai | pH及びイオン濃度測定装置 |
DE8814742U1 (de) * | 1988-11-26 | 1989-03-09 | Conducta Gesellschaft für Meß- und Regeltechnik mbH & Co, 7016 Gerlingen | Meßelektrode in der analytischen Chemie |
JPH0426360U (ja) * | 1990-06-26 | 1992-03-02 | ||
KR100363543B1 (ko) * | 1999-12-07 | 2002-12-05 | 김태진 | 삼중 복합 이온 선택성 전극을 이용한 이온 농도 측정시스템과 측정 방법 |
DE10036039B4 (de) * | 2000-07-25 | 2016-02-25 | Mettler-Toledo Ag | Messsonde für potentiometrische Messungen, Verfahren zur Überwachung des Altrungszustandes der Messonde und ihre Verwendung |
EP1219958A1 (de) | 2000-12-27 | 2002-07-03 | Hamilton Bonaduz AG | Elektrochemisches Messsystem mit zwei Referenzelektroden unterschiedlicher Potentialstabilität |
EP1219959A1 (de) | 2000-12-27 | 2002-07-03 | Hamilton Bonaduz AG | Elektrochemisches Messystem mit zwei Referenzelektroden unterschiedlicher Potentialstabilität zur Kontrolle des Salzgehalts im gemeinsamen Referenzelektrolyten |
CA2470474A1 (en) * | 2001-12-14 | 2003-06-26 | Rosemount Analytical Inc. | A ph sensor with internal solution ground |
CH694647A5 (de) * | 2004-05-11 | 2005-05-13 | Hamilton Bonaduz Ag | pH-Einstabmesskette mit einer internen Leitfähigkeitsmesszelle. |
EP1643242B1 (de) * | 2004-10-04 | 2007-05-23 | Mettler-Toledo AG | Bezugselektrode für potentiometrische Messungen und Verfahren zu deren Überwachung |
-
2008
- 2008-05-22 KR KR1020080047496A patent/KR100974564B1/ko active IP Right Grant
- 2008-12-15 GB GB0822801A patent/GB2460130B8/en not_active Expired - Fee Related
- 2008-12-16 JP JP2008319538A patent/JP4991683B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2460130B (en) | 2010-10-06 |
KR100974564B1 (ko) | 2010-08-06 |
JP2009282011A (ja) | 2009-12-03 |
KR20090121539A (ko) | 2009-11-26 |
GB2460130A (en) | 2009-11-25 |
GB2460130B8 (en) | 2010-10-27 |
GB0822801D0 (en) | 2009-01-21 |
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