Chemistry: analytical and immunological testing – Oxygen containing – Hydroxyl containing
Patent
1981-06-04
1984-09-18
Turk, Arnold
Chemistry: analytical and immunological testing
Oxygen containing
Hydroxyl containing
128743, 424 9, 436169, 436183, 436904, G01N 3352, A61B 500
Patent
active
044725078
ABSTRACT:
An indicator (10) for detecting contact with a naturally occurring polyhydroxyaromatic skin irritant or toxin like that found in poison ivy and the like comprises a carrier (12) treated with a reactant, such as ferric nitrate which reacts with the toxin and produces a distinct color change indicative of such contact.
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