GB979117A - - Google Patents

Info

Publication number
GB979117A
GB979117A GB979117DA GB979117A GB 979117 A GB979117 A GB 979117A GB 979117D A GB979117D A GB 979117DA GB 979117 A GB979117 A GB 979117A
Authority
GB
United Kingdom
Prior art keywords
membrane
base
permeable
electrode
carrying
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.)
Expired
Application number
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.)
Publication date
Publication of GB979117A publication Critical patent/GB979117A/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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors

Abstract

979,117. Electrolytic testing apparatus. BECKMAN INSTRUMENTS Inc. Nov. 6, 1962 [Dec. 13, 1961], No. 41868/62. Heading G1N. In a polarographic cell having a base 40 carrying a pair of spaced electrodes 41, 43 which are bridged by an electrolyte within a membrane 20 of a polymer of fluorinated alkane permeable to a predetermined constituent such as oxygen, a desired spacial relationship between the base surface and the membrane is maintained by a second overlying membrane 19 which is relatively more permeable for said constituent, and is elastomeric. The second membrane may be of siliconi rubber. The cell is shown as an insert in a container 12 and the base structure 40 carrying the electrodes is supported in a stainless steel body 10. The electrode 41 is of noble metal and is flush with the bottom of the base structure, and electrode 43 is of silver wire coated with a layer of silver chloride. Passages 25 may be provided in body 10 for the removal of excess electrolyte and an O ring 27 may be provided to improve the dimensional stability.
GB979117D 1961-12-13 Expired GB979117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15896761A 1961-12-13 1961-12-13

Publications (1)

Publication Number Publication Date
GB979117A true GB979117A (en) 1900-01-01

Family

ID=22570510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB979117D Expired GB979117A (en) 1961-12-13

Country Status (4)

Country Link
CH (1) CH437857A (en)
DE (1) DE1281182B (en)
DK (1) DK103422C (en)
GB (1) GB979117A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173800A2 (en) * 1984-09-07 1986-03-12 Drägerwerk Aktiengesellschaft Electrochemical measuring cell with a complementary electrode
US5641458A (en) * 1995-06-15 1997-06-24 Shockley, Jr.; H. David Flow through cell assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173800A2 (en) * 1984-09-07 1986-03-12 Drägerwerk Aktiengesellschaft Electrochemical measuring cell with a complementary electrode
EP0173800A3 (en) * 1984-09-07 1987-03-11 Dragerwerk Aktiengesellschaft Electrochemical measuring cell with a complementary electrode
US5641458A (en) * 1995-06-15 1997-06-24 Shockley, Jr.; H. David Flow through cell assembly

Also Published As

Publication number Publication date
CH437857A (en) 1967-06-15
DE1281182B (en) 1968-10-24
DK103422C (en) 1965-12-27

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