A chemical reagent combined with Marshall’s reagent or alpha-naphthol used to treat desensitized photographic paper for sensitivity to nitrite compounds used in the Griess test or modified Griess test, respectively.
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A chemical reagent combined with Marshall’s reagent or alpha-naphthol used to treat desensitized photographic paper for sensitivity to nitrite compounds used in the Griess test or modified Griess test, respectively.
1