Test for glycol in water
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United States of America Patent
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-
Mar 5, 1996
Grant Date -
N/A
app pub date -
Mar 4, 1994
filing date -
Mar 4, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a method of determining the presence of glycol in an aqueous solution comprising providing a container containing a mixture of potassium dichromate, a catalyst comprised of mercuric sulfate and silver sulfate, the mixture provided in an acidic solution. To the container is added a controlled volume of aqueous solution containing glycol. The mixture is permitted a time sufficient to change color, the time not being in excess of 15 minutes. The color is compared to a set of color standards to determine the presence of glycol in said aqueous solution.
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