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Regular articleGravimetric determination of copper with 2-hydroxy-1-naphthaldoxime

Katsuya Uesugi - No affiliation found

1986/04/01 Full-length article DOI: 10.1016/0026-265X(86)90056-1 Journal: Microchemical Journal

Abstract:

AbstractA gravimetric method for the determination of copper with 2-hydroxy-1-naphthaldoxime (HNA) has been studied. The HNA quantitatively precipitates copper as Cu(C11H8NO2)2 which can be used as a weighing for copper; the gravimetric factor is 0.1458. Iron, aluminum, chromium, and commonly accompanying elements do not interfere. The method can successfully be applied to the determination of copper in aluminum base alloy.