The 5-nonylsalicylaldoxime or 2-hydroxy-5-nonylbenzaldoxime namely aldoxime is a strong copper extractor that is mainly used in the process of copper solvent extractions. In order to characterize the aldoxime production process and to obtain a pure substance for using in the subsequent investigations, this reagent was synthesized and instrumental analysis such as FT-IR, 1H-NMR, and GC/MS spectra were first taken on the final product. The effects of various modifying reagents were studied on the synthesized aldoxime for improving its extracting and striping properties in the Cu (II) extraction processes. An optimum formulation of organic phase including the aldoxime and some modifier reagents was determined based on the variation of type and the concentration of the modifiers. The obtained experimental data show that the net copper transferring in a mixture of the aldoxime and modifier mainly the aliphatic alcohols (C12 (40 % w/w) and C14 (60 % w/w)) is greater than the aldoxime alone and greater than its other mixture.
Research on Chemical Intermediates – Springer Journals
Published: Apr 29, 2012
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