Color indicator composition and film for detecting hydrogen peroxide
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United States of America Patent
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Nov 29, 1983
Grant Date -
N/A
app pub date -
Apr 19, 1982
filing date -
Apr 17, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a multilayer analysis film for detecting hydrogen peroxide by dry process which comprises a support and a reagent layer having contained therein a color indicator composition comprising peroxidase and a substance capable of causing a optically detectable change in the presence of hydrogen peroxide and peroxidase, the color indicator composition is characterized by further containing specific pyrogallol derivatives. Such pyrogallol derivatives improve stability during storage of such a multilayer analysis film.
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