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S. V. Smirnova, V. E. Baulin, I. I. Torocheshnikona, I. V. Pletnev

Extraction of cadmium, lead, cobalt, copper and zinc from aqueous solutions into hydrophobic-hydrophilic ionic liquids


Extraction of cadmium(II), lead(II), cobalt(II), copper(II) and zinc(II) into ionic liquids tetraoctylammonium N-lauroyl sarcosinate (TOALS) and trioctylmethylammonium salicylate (TOMAS) was studied. Cadmium(II), lead(II), copper(II) in TOALS and copper(II) in TOMAS are extracted quantitatively from neutral and slightly alkaline solutions in the absence of additional reagents. Effect of the composition of aqueous and organic phases, the contact time on the extraction of metals was investigated.
Key words: ionic liquids, solvent extraction of metal.
Moscow University Chemistry Bulletin.
2016, Vol. 57, No. 1, P. 11

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