Chemistry: analytical and immunological testing – Hemoglobin – myoglobin – or occult blood
Patent
1984-10-16
1990-09-11
Hill, Jr., Robert J.
Chemistry: analytical and immunological testing
Hemoglobin, myoglobin, or occult blood
422 56, 422 57, 422 61, 427 2, 435128, 436169, 436904, G01N 2178, G01N 3372
Patent
active
049563009
ABSTRACT:
A guaiac reagent-based diagnostic aid for determining the presence of occult blood in an aqueous system contains a micron-sized silica gel into which a guaiac solution has been adsorbed. The guaiac-containing carrier is contacted with a dry, particulate, oxidizing agent, such as a monopersulfate compound, to form a single composition. This composition can be packaged in a water-pervious sandwich. Upon contact with water, the oxidizing agent is activated to produce hydrogen peroxide, which in the presence of occult blood will oxidize the adsorbed guaiac to a brilliant blue reaction product.
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Helena Laboratories Corporation
Hill Jr. Robert J.
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