Colorimetric methods for determining organic functional groups. I

S., T.; Nazimowitz, Walter L.

doi:10.1007/bf01224099

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1970

1989

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Cited by 9 publications

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“…The decreased absorption at 492 nm observed for the iron(III) nitrosalicylate complex in an aqueous monochloroacetate medium at a pH 2.6 to 2.7, with increasing concentrations of an added organic acid was used to determine acids spectrophotometrically (144)• Linear calibration curves for the spectrophotometric microdetermination of several acids were obtained by a method based on the oxidation of the acid by cerium (IV) sulfate in sulfuric acid followed by measuring the absorbance of the excess cerium(IV) in the presence of ferroin at 426 nm (152).…”

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confidence: 99%