CA2085322A1 - Graphite based solid state polymeric membrane ion-selective electrodes - Google Patents

Graphite based solid state polymeric membrane ion-selective electrodes

Info

Publication number
CA2085322A1
CA2085322A1 CA2085322A CA2085322A CA2085322A1 CA 2085322 A1 CA2085322 A1 CA 2085322A1 CA 2085322 A CA2085322 A CA 2085322A CA 2085322 A CA2085322 A CA 2085322A CA 2085322 A1 CA2085322 A1 CA 2085322A1
Authority
CA
Canada
Prior art keywords
polymeric membrane
selective
solid state
oxidant
based solid
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
Application number
CA2085322A
Other languages
French (fr)
Other versions
CA2085322C (en
Inventor
Frank R. Shu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beckman Instruments Inc filed Critical Beckman Instruments Inc
Publication of CA2085322A1 publication Critical patent/CA2085322A1/en
Application granted granted Critical
Publication of CA2085322C publication Critical patent/CA2085322C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/333—Ion-selective electrodes or membranes
    • G01N27/3335—Ion-selective electrodes or membranes the membrane containing at least one organic component

Abstract

An improved solid-slate ion-selective electrode has greater uniformity of asymmetric potential and high sensitivity and selectivity for the cation of interest. The electrode comprises: (1) a porous element comprising graphite; (2) an electrochemical reference in substantially dry form on at least a portion of the element, the reference comprising: (a) an oxidant and (b) a reductant that is the conjugate of the oxidant, the oxidant and reductant being present in about equimolar quantities; and (3) a polymeric membrane comprising an ion-selective ionophore in electrochemical contact with the electrochemical reference.
The electrode can be prepared to be selective for one of a number of cations, including lithium and ammonium. Methods for preparing these electrodes are also disclosed.
CA002085322A 1992-01-15 1992-12-14 Graphite based solid state polymeric membrane ion-selective electrodes Expired - Fee Related CA2085322C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/821,158 1992-01-15
US07/821,158 US5286365A (en) 1992-01-15 1992-01-15 Graphite-based solid state polymeric membrane ion-selective electrodes

Publications (2)

Publication Number Publication Date
CA2085322A1 true CA2085322A1 (en) 1993-07-16
CA2085322C CA2085322C (en) 2000-04-25

Family

ID=25232670

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002085322A Expired - Fee Related CA2085322C (en) 1992-01-15 1992-12-14 Graphite based solid state polymeric membrane ion-selective electrodes

Country Status (7)

Country Link
US (1) US5286365A (en)
EP (1) EP0551769B1 (en)
JP (1) JP2546786Y2 (en)
AT (1) ATE155580T1 (en)
CA (1) CA2085322C (en)
DE (1) DE69220915T2 (en)
ES (1) ES2104861T3 (en)

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US5552032A (en) * 1995-04-24 1996-09-03 Beckman Instruments, Inc. Solid state ion selective electrode and method of using the same
US5879878A (en) * 1995-06-20 1999-03-09 Australian Membrane And Biotechnology Research Institute Method of producing a first layer electrode membrane for a biosensor
AUPN366995A0 (en) * 1995-06-20 1995-07-13 Australian Membrane And Biotechnology Research Institute Self-assembly of bilayer membrane sensors
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KR100289469B1 (en) * 1999-01-13 2001-05-02 차근식 Hydrophilic polyurethane-coated chloride ion-selective electrodes
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US6508921B1 (en) * 2000-03-24 2003-01-21 Beckman Coulter, Inc. Lithium ion-selective electrode for clinical applications
US7767068B2 (en) 2002-12-02 2010-08-03 Epocal Inc. Heterogeneous membrane electrodes
US7842234B2 (en) 2002-12-02 2010-11-30 Epocal Inc. Diagnostic devices incorporating fluidics and methods of manufacture
US7094330B2 (en) * 2002-12-02 2006-08-22 Epocal Inc. Heterogeneous membrane electrodes
GB0423025D0 (en) * 2004-10-15 2004-11-17 Oxford Biosensors Ltd Voltammetric ion sensor
FR2900064B1 (en) * 2006-04-24 2008-12-12 Electricite De France LITHIUM ION SELECTIVE MEMBRANE FOR MEASURING THE LITHIUM CONCENTRATION IN A FLUID SUCH AS THE PRIMARY COOLING SYSTEM FLUID OF A REACTOR OF A PRESSURIZED WATER NUCLEAR POWER PLANT
CN101308113B (en) * 2008-01-23 2011-09-14 同济大学 Lead ion selective electrode film using poly-1-aminoanthraquinone as carrier, its preparation method and uses thereof
ES2334748B1 (en) * 2008-09-12 2011-01-10 Consejo Superior De Investigaciones Cientificas(Csic) POTENTIOMETRIC SENSORS BASED ON ANIONIC BORUS CLUSTERS.
US20120118762A1 (en) * 2009-02-13 2012-05-17 Curtin University Of Technology Sensing device and method
JP5254123B2 (en) * 2009-04-30 2013-08-07 オルガノ株式会社 Lithium ion selective electrode
EP2992319A1 (en) 2013-05-02 2016-03-09 Biochem Technology Inc. Low drift ion selective electrode sensors
WO2016156941A1 (en) * 2015-04-03 2016-10-06 Diasys Diagnostics India Private Limited Solid state electrolyte biosensor
CN105116036A (en) * 2015-08-13 2015-12-02 东北大学 Preparation and usage method for cerium (IV) ion selectivity electrodes
CN107923866B (en) 2015-09-14 2021-02-26 株式会社日立高新技术 Ion selective electrode, method for producing the same, and electrode cartridge
JP6634805B2 (en) * 2015-12-10 2020-01-22 東亜ディーケーケー株式会社 Chloride ion selective electrode
US10557814B2 (en) 2016-06-24 2020-02-11 City University Of Hong Kong Electrochemical detector
JP7146189B2 (en) * 2018-09-20 2022-10-04 Koa株式会社 Manufacturing method for all-solid-state ion-selective electrode
CN113924481A (en) * 2019-06-14 2022-01-11 罗伯特·博世有限公司 Metal ferrocyanide-doped carbon as ion-selective electrode converter
US11923545B2 (en) * 2020-01-22 2024-03-05 Enevate Corporation Crown ethers as additives for silicon-based Li-ion batteries
CN112285185A (en) * 2020-10-26 2021-01-29 河南城建学院 Application of 5-ferrocene isophthaloyl-L-tryptophan methyl ester as hydrogen phosphate ion selective electrode active carrier
IT202100000341A1 (en) * 2021-01-11 2022-07-11 Redoak S R L UNTREATED URINE ANALYSIS DEVICE

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Also Published As

Publication number Publication date
EP0551769B1 (en) 1997-07-16
EP0551769A1 (en) 1993-07-21
ES2104861T3 (en) 1997-10-16
CA2085322C (en) 2000-04-25
ATE155580T1 (en) 1997-08-15
DE69220915D1 (en) 1997-08-21
US5286365A (en) 1994-02-15
DE69220915T2 (en) 1997-12-11
JPH0633063U (en) 1994-04-28
JP2546786Y2 (en) 1997-09-03

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