Dissolved gas and ion measuring electrode system

Details Dissolved gas and ion measuring electrode system Dissolved gas and ion measuring electrode system

1986-09-10

1987-10-20

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204415, G01N 2746

Patent

active

047012528

ABSTRACT:
An automatically depolarizing electrode system for analyzing ions and gases in a solution, especially in blood. A magnetic stirrer is placed in a test chamber of the electrode system and rubs the sensing surface of the electrode which constitutes the wall of the test chamber. During analysis, the rotating stirrer prevents blood from coagulating on the sensing portion of the electrode, so that the electrode is constantly kept clean and depolarized. Preferred is a flat and solid state ion selective electrode for this electrode system. Additionally, the size of the stirrer is designed not only to lessen the amount of a sample solution which is present in the test chamber but to prevent the reading response from retarding.

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"Glass Electrode Carbon Dioxide Sensor", Beckman Instruments, Inc., Aug. 1960.

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