GB2015742A - Ion concentration measuring and reference electrodes - Google Patents

Ion concentration measuring and reference electrodes

Info

Publication number
GB2015742A
GB2015742A GB7905162A GB7905162A GB2015742A GB 2015742 A GB2015742 A GB 2015742A GB 7905162 A GB7905162 A GB 7905162A GB 7905162 A GB7905162 A GB 7905162A GB 2015742 A GB2015742 A GB 2015742A
Authority
GB
United Kingdom
Prior art keywords
layer
concentration measuring
ion selective
ion concentration
glass
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
GB7905162A
Other versions
GB2015742B (en
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.)
Honeywell Inc
Original Assignee
Honeywell 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 Honeywell Inc filed Critical Honeywell Inc
Publication of GB2015742A publication Critical patent/GB2015742A/en
Application granted granted Critical
Publication of GB2015742B publication Critical patent/GB2015742B/en
Expired 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
    • 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
    • G01N27/36—Glass electrodes

Abstract

A solid state ion concentration measuring electrode comprises a coherent pellet 2 of electrolyte and an ion selective layer 10 or 40 formed in direct contact with the pellet surface. The electrodes may be formed by compression moulding the electrolyte pellet around a terminal and then forming the ion selective layer by sputtering. For an ion selective electrode, layer 10 is formed of ion selective glass of similar thermal expansion coefficient to layer 2D. For a reference electrode, the temperature expansion of the glass 30A and layer 2C are selected to produce a differential expansion causing random cracking of the glass layer 40 during temperature cycling of the reference electrode. A combination structure is provided wherein the ion concentration measuring electrode and the reference electrode are combined in an integrated package. A thermal compensating element 50 may also be included in the integrated package. <IMAGE>
GB7905162A 1978-03-06 1979-02-14 Ion concentration measuring and reference electrodes Expired GB2015742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88380778A 1978-03-06 1978-03-06

Publications (2)

Publication Number Publication Date
GB2015742A true GB2015742A (en) 1979-09-12
GB2015742B GB2015742B (en) 1982-08-25

Family

ID=25383370

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7905162A Expired GB2015742B (en) 1978-03-06 1979-02-14 Ion concentration measuring and reference electrodes

Country Status (2)

Country Link
CA (1) CA1127714A (en)
GB (1) GB2015742B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144552A (en) * 1983-06-21 1985-03-06 Proton Ag Temperature-independent single rod electrode assembly for potentiometric measurements
WO2015158533A1 (en) * 2014-04-17 2015-10-22 Innovative Sensor Technology Ist Ag Method for producing a ph half-cell, and a ph half-cell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144552A (en) * 1983-06-21 1985-03-06 Proton Ag Temperature-independent single rod electrode assembly for potentiometric measurements
WO2015158533A1 (en) * 2014-04-17 2015-10-22 Innovative Sensor Technology Ist Ag Method for producing a ph half-cell, and a ph half-cell
US10082479B2 (en) 2014-04-17 2018-09-25 Innovative Sensor Technology Ist Ig Method for producing a pH half-cell, and a pH half-cell

Also Published As

Publication number Publication date
CA1127714A (en) 1982-07-13
GB2015742B (en) 1982-08-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee