Chemistry: analytical and immunological testing – Automated chemical analysis – Condition or time responsive
Patent
1991-04-22
1992-05-19
Hart, Charles
Chemistry: analytical and immunological testing
Automated chemical analysis
Condition or time responsive
204418, 204294, 422 58, 422 63, 422 8201, 422 8205, 436150, G01N 3502
Patent
active
051148595
ABSTRACT:
A method and apparatus for measuring a characteristic which is a function of the concentration of one or more chemical species in a sample fluid, examples being the concentration of sodium ion or potassium ion in blood, makes use of a discardable or disposable measuring device comprising one or more sensors, an example of a relevant type of sensor being a potentiometric electrode, one or more conditioning (e.g. calibration) fluid chambers and, optionally, a sample fluid chamber, the sensor(s) being movable relative to the chamber(s), or vice versa, so as permit conditioning of the sensor(s) in a conditioning fluid chamber and exposure of a sensing surface part of the sensor(s) to a sample fluid.
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Hart Charles
Radiometer A/S
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