Method for infrared-optical determination of the concentration of at least one chemical analyte in a liquid sample
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United States of America Patent
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Jul 13, 1999
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N/A
app pub date -
Nov 6, 1997
filing date -
Nov 6, 1996
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Expired
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Abstract
In a method for infrared-optical determination of the concentration of at least one chemical analyte in a liquid sample, where the liquid sample is passed through a measuring cell and irradiated with infrared radiation of a single narrow waverange and infrared absorption is measured, the analyte being determined is subject to a chemical reaction before measurement, which should leave the other components of the liquid sample unaffected, and the change in infrared absorption caused by the chemical reaction with the analyte is measured as a unique function of the analyte concentration to be determined.
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