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Identification of amidoximes by precipitation of their ferric complexes with thiocyanate

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Summary

A new qualitative reaction for the identification of amidoximes consists in the precipitation of the complex ions between iron(III) and the amidoxime with KSCN or NH4SCN as a dark-brown compound sparingly soluble in water. The sensitivities for benzamidoxime, α-hydroxy-phenacetamidoxime and phenacetamidoxime are 0.5, 0.7 and 1.4 mg/ml, respectively.

Zusammenfassung

Eine neue qualitative Reaktion zur Identifizierung von Amidoximen beruht auf der Fällung der Komplexionen zur Eisen(III) und dem Amidoxim mit NH4SCN oder KSCN als dunkelbrauner Niederschlag. Die gebildeten Verbindungen sind in Wasser schwer löslich. Die Empfindlichkeiten der Reaktionen mit Benzamidoxim, α-Hydroxy-phenacetamidoxim und Phenacetamidoxim sind 0,5, 0,7 bzw. 1,4 mg/ml.

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Manolov, K.R. Identification of amidoximes by precipitation of their ferric complexes with thiocyanate. Z. Anal. Chem. 234, 37–40 (1968). https://doi.org/10.1007/BF00504545

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  • DOI: https://doi.org/10.1007/BF00504545

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