1, 2-Dibenzoyl-and 1-benzoyl-2-acetylhydrazines as reagents for recovering Cu (II) ions from alkaline solutions
…, LG Chekanova, YB El'chishcheva, AV Ershova
Index: Radushev; Chekanova; El'chishcheva; Ershova Russian Journal of Applied Chemistry, 2007 , vol. 80, # 3 p. 368 - 371
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Abstract
Abstract The conditions of complexation of 1, 2-diacylhydrazines (H 2 L) C 6 H 5 C (O) NHNHC (O) R, where R= C 6 H 5 or CH 3, with Cu (II) ions in alkaline solutions were studied. The composition of the complexes formed by precipitation of Cu (II) from alkaline solutions,(CuOH) 2 L and CuL, was determined. The possibility of afterpurification of solutions with a low Cu (II) content by pneumatic flotation using H 2 L was examined.
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