GB2233768B - Safe failure ion selective combination electrodes - Google Patents

Safe failure ion selective combination electrodes

Info

Publication number
GB2233768B
GB2233768B GB9015209A GB9015209A GB2233768B GB 2233768 B GB2233768 B GB 2233768B GB 9015209 A GB9015209 A GB 9015209A GB 9015209 A GB9015209 A GB 9015209A GB 2233768 B GB2233768 B GB 2233768B
Authority
GB
United Kingdom
Prior art keywords
ion selective
selective combination
combination electrodes
safe failure
safe
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 - Fee Related
Application number
GB9015209A
Other versions
GB9015209D0 (en
GB2233768A (en
Inventor
Mark David Kaganov
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.)
Terumo BCT Inc
Original Assignee
Cobe Laboratories 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 Cobe Laboratories Inc filed Critical Cobe Laboratories Inc
Publication of GB9015209D0 publication Critical patent/GB9015209D0/en
Publication of GB2233768A publication Critical patent/GB2233768A/en
Application granted granted Critical
Publication of GB2233768B publication Critical patent/GB2233768B/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
    • G01N27/416—Systems
    • G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
    • G01N27/4165—Systems checking the operation of, or calibrating, the measuring apparatus for pH meters
GB9015209A 1989-07-10 1990-07-10 Safe failure ion selective combination electrodes Expired - Fee Related GB2233768B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37788789A 1989-07-10 1989-07-10

Publications (3)

Publication Number Publication Date
GB9015209D0 GB9015209D0 (en) 1990-08-29
GB2233768A GB2233768A (en) 1991-01-16
GB2233768B true GB2233768B (en) 1994-01-05

Family

ID=23490917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9015209A Expired - Fee Related GB2233768B (en) 1989-07-10 1990-07-10 Safe failure ion selective combination electrodes

Country Status (6)

Country Link
JP (1) JPH0346554A (en)
CA (1) CA2019728C (en)
DE (1) DE4021853C2 (en)
FR (1) FR2649486A1 (en)
GB (1) GB2233768B (en)
IT (1) IT1240484B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6148196B2 (en) 2014-03-31 2017-06-14 株式会社クボタ Working machine hydraulic system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1337544A (en) * 1969-12-19 1973-11-14 Ple Sey Co Ltd Fluid testing apparatus
GB1368823A (en) * 1972-05-10 1974-10-02 Activion Glass Ltd Ion-responsive electrodes
US4039933A (en) * 1976-03-25 1977-08-02 Instrumentation Laboratory, Inc. Continuous calibration system and method for analytical instruments
GB1568644A (en) * 1976-03-17 1980-06-04 Owens Illinois Inc Combination electrode assemblies
US4774956A (en) * 1985-05-02 1988-10-04 Mic Medical Instrument Corporation Portable apparatus for the determination of upper gastrointestinal function in terms of pH values and clinical uses thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4331198Y1 (en) * 1965-03-04 1968-12-18
JPS4838890B1 (en) * 1968-12-16 1973-11-20
US3661748A (en) * 1970-04-07 1972-05-09 Instrumentation Labor Inc Fault sensing instrumentation
US4189367A (en) * 1978-10-19 1980-02-19 Leeds & Northrup Company Method for testing ion selective electrodes in continuous measuring systems
JPS58178410A (en) * 1982-04-14 1983-10-19 Fuji Electric Co Ltd Warning circuit
US4822456A (en) * 1987-06-05 1989-04-18 Bryan Avron I Ion measuring apparatus and monitoring system
US4900422A (en) * 1988-07-05 1990-02-13 Bryan Avron I System for monitoring and reporting the operability and calibration status of a dissolved oxygen sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1337544A (en) * 1969-12-19 1973-11-14 Ple Sey Co Ltd Fluid testing apparatus
GB1368823A (en) * 1972-05-10 1974-10-02 Activion Glass Ltd Ion-responsive electrodes
GB1568644A (en) * 1976-03-17 1980-06-04 Owens Illinois Inc Combination electrode assemblies
US4039933A (en) * 1976-03-25 1977-08-02 Instrumentation Laboratory, Inc. Continuous calibration system and method for analytical instruments
US4774956A (en) * 1985-05-02 1988-10-04 Mic Medical Instrument Corporation Portable apparatus for the determination of upper gastrointestinal function in terms of pH values and clinical uses thereof

Also Published As

Publication number Publication date
IT1240484B (en) 1993-12-17
CA2019728C (en) 1995-01-17
DE4021853C2 (en) 1995-03-09
GB9015209D0 (en) 1990-08-29
FR2649486A1 (en) 1991-01-11
JPH0346554A (en) 1991-02-27
CA2019728A1 (en) 1991-01-10
IT9067507A0 (en) 1990-07-09
IT9067507A1 (en) 1992-01-09
GB2233768A (en) 1991-01-16
DE4021853A1 (en) 1991-01-24

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Legal Events

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

Effective date: 19960710