Method for the measurement of dithionite concentration
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United States of America Patent
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Issued Date -
Mar 4, 2004
app pub date -
Sep 4, 2003
filing date -
Sep 4, 2002
priority date (Note) -
Abandoned
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Abstract
The concentration of dithionite can be fast and accurately measured in a sample by a method wherein a predetermined amount of peroxide is added to said sample, following which catalase is added to said sample in an incrementally growing dose during a predetermined time, monitoring the production of oxygen in the sample, and recording the onset of oxygen production as well as the amount of oxygen produced as a function of time. The recorded values are then taken as a measure of the amount of dithionite present in the sample. The above method can be performed in any vessel having an inlet and an outlet, valves for closing these, an agitator, means for adding peroxide and catalase in predetermined amounts, and means for recording the onset of oxygen production, as well as the amount of oxygen produced as a function of time.
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