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Main Title Effects of Aquatic Humic Substances on Analysis for Hydrogen Peroxide Using Peroxidase-Catalyzed Oxidations of Triarylmethanes or p-Hydroxypenylacetic Acid (Journal Version).
Author Zepp, R. G. ; Skurlatov, Y. I. ; Ritmiller, L. F. ;
CORP Author Environmental Research Lab., Athens, GA. ;Akademiya Nauk SSSR, Moscow.
Publisher c1988
Year Published 1988
Report Number EPA/600/J-88/139;
Stock Number PB89-119317
Additional Subjects Water analysis ; Surface waters ; Humus ; Hydrogen peroxide ; Trace elements ; Oxidation ; Methanes ; Catalysts ; Performance evaluation ; Chemical analysis ; Water pollution ; Reprints ; Water pollution detection ; Acetic acid/hydroxyphenyl
Library Call Number Additional Info Location Last
NTIS  PB89-119317 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 13p
A sensitive procedure is described for trace analysis of hydrogen peroxide in water. The process involves the peroxide-catalyzed oxidation of the leuco forms of two dyes, crystal violet and malachite green. The sensitivity of this procedure, as well as of another procedure based on the peroxidase-catalyzed oxidation of p-hydroxyphenylacetic acid (POHPA), is decreased in natural water samples and in aqueous solutions of aquatic humic substances. This decrease, which is less pronounced with the POHPA method, may be caused by competitive reactions of peroxidase intermediates with phenolic components of the humic substances. (Copyright (c) Publications Division Selper Ltd., 1988.)