Method for quality control of an analyzing system
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United States of America Patent
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-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Jul 11, 1996
filing date -
Jul 17, 1995
priority date (Note) -
Expired
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Abstract
Quality control of an analyzing system that includes a portable analyzer with insertable single-use cartridges whose sample chamber contains optical and/or electrochemical sensors is accomplished by bringing the sensors in the single-use cartridge into contact, or are in contact with, a calibrating and/or conditioning medium, the calibrating and/or conditioning medium exhibiting chemical and/or physical parameters which influence the characteristic of at least one of the sensors. Just before a sample is measured, the sensors are contacted with a quality control liquid which is identical with the calibrating and/or conditioning medium within a predetermined desired range of accuracy for the sample components to be measured, as regards the chemical and/or physical parameters influencing the characteristic of at least one sensor during calibration and/or conditioning. The instantaneous control values obtained on the basis of the calibration values are subsequently compared to known target control values.
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