JPS57161542A - Ion selective electrode - Google Patents

Ion selective electrode

Info

Publication number
JPS57161542A
JPS57161542A JP56047896A JP4789681A JPS57161542A JP S57161542 A JPS57161542 A JP S57161542A JP 56047896 A JP56047896 A JP 56047896A JP 4789681 A JP4789681 A JP 4789681A JP S57161542 A JPS57161542 A JP S57161542A
Authority
JP
Japan
Prior art keywords
electrode
base body
silver
film
resistance
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.)
Pending
Application number
JP56047896A
Other languages
Japanese (ja)
Inventor
Shotaro Oka
Osamu Tawara
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.)
Shimadzu Corp
Shimazu Seisakusho KK
Original Assignee
Shimadzu Corp
Shimazu Seisakusho KK
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 Shimadzu Corp, Shimazu Seisakusho KK filed Critical Shimadzu Corp
Priority to JP56047896A priority Critical patent/JPS57161542A/en
Publication of JPS57161542A publication Critical patent/JPS57161542A/en
Pending 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

Abstract

PURPOSE:To lower the electrode resistance of a silver halide electrode by forming a film prepd. by adding silver sulfide to silver halide on the surface of an electrode base body. CONSTITUTION:Silver sulfide is mixed at 5-20mol% with silver chloride, and the mixture is heated to melt. An electrode base body is dipped in this uniform molten liquid phase and is pulled up, the melt is then allowed to solidify at ordinary temp., thereby forming the film of silver chloride and silver sulfide on the surface of the electrode base body. The silver halide electrode constituted in this way is low in resistance of the electrode per se and is the thin film in contact with an electrode base body 2 over the entire surface of the electrode and this results in decreased contact resistance between the electrode and a lead-out conductor and decreased overall electric resistance. Practically, this silver chloride electrode is sensitive to the activity of the Cl-ions in a sample soln. 1. The body 2 (copper) has the film of AgCl+Ag2S formed on the surface thereof, that is, an electrode layer 3. The liquid connecting part 5 of a standard electrode 4 is inserted in the soln. 1 and the potential difference between the base body 2 and the lead wire of the electrode 2 is measured.
JP56047896A 1981-03-30 1981-03-30 Ion selective electrode Pending JPS57161542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56047896A JPS57161542A (en) 1981-03-30 1981-03-30 Ion selective electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56047896A JPS57161542A (en) 1981-03-30 1981-03-30 Ion selective electrode

Publications (1)

Publication Number Publication Date
JPS57161542A true JPS57161542A (en) 1982-10-05

Family

ID=12788159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56047896A Pending JPS57161542A (en) 1981-03-30 1981-03-30 Ion selective electrode

Country Status (1)

Country Link
JP (1) JPS57161542A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005291757A (en) * 2004-03-31 2005-10-20 Horiba Ltd Residual chlorine sensor, residual chlorine meter using it and residual chlorine sensor manufacturing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5154492A (en) * 1974-11-08 1976-05-13 Toa Electronics DENISOKUTEIYOHANDENCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5154492A (en) * 1974-11-08 1976-05-13 Toa Electronics DENISOKUTEIYOHANDENCHI

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005291757A (en) * 2004-03-31 2005-10-20 Horiba Ltd Residual chlorine sensor, residual chlorine meter using it and residual chlorine sensor manufacturing method

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