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Production of Nickel Metal Powder from a Spent Etching Solution by Solvent Extraction and Chemical Reduction

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Nickel metal powder with 99% purity was obtained from a spent FeCl3 etching solution by employing solvent extraction and chemical reduction. Iron and nickel was separated from the spent etching solution by solvent extraction with Alamine336. Iron in the spent etching solution was extracted into the organic phase, while nickel remained in the aqueous solution together with a small amount of iron. After eliminating iron in the aqueous solution by precipitation, nickel metal powder was obtained by chemical reduction with hydrazine at reaction temperature of 100 °C and at solution pH of 10.5. Chemical reduction at this specified condition led to nanosized spherical black nickel metal powder with 99% purity.
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Document Type: Research Article

Publication date: February 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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