Journal
HYDROMETALLURGY
Volume 61, Issue 3, Pages 223-227Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-386X(01)00174-8
Keywords
synergistic extraction; di(2-ethylhexyl) phosphoric acid; 5-dodecylsalicylaldoxime
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The synergistic extraction of nickel and cobalt from acidic aqueous solutions has been observed with a mixture of di(2-ethylhexyl) phosphoric acid and 5-dodecylsalicylaldoxime. The rates of extraction and stripping were found to be rapid, even for nickel, and stripping of nickel-loaded organic phase was readily achieved by contact with 0.50 M mineral acid. The separation of nickel and cobalt is possible based on differences in stripping behaviors of the two metals. (C) 2001 Published by Elsevier Science B.V.
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