Guaiac-Copper Sulfate Paper
Title: Guaiac-Copper Sulfate Paper
Additional Names: Schönbein-Pagenstecher's paper
Literature References: White filter paper impregnated first with an alc soln of guaiac resin, then after drying, with an aq soln of cupric sulfate. Used for detecting HCN, a trace of which colors the paper blue.
Status: This monograph has been retired and is no longer subject to revision or update.

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