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Citation: LI Quan-Min, WEI Wei, LIU Qi. Separation of Copper by Sodium Nitrate-Ammonium Thiocyanate-Hexadocyltrimethylammonium Bromide Floatation System[J]. Chinese Journal of Applied Chemistry, ;2000, 17(6): 620-623. shu

Separation of Copper by Sodium Nitrate-Ammonium Thiocyanate-Hexadocyltrimethylammonium Bromide Floatation System

1.
College of Chemistry and Environmental Science, Key Laboratory of Environmental Science and Engineering, He'nan Provincial Educational Commission, He'nan Normal University, Xinxiang 453002

Received Date: 10 April 2000
Available Online: 13 July 2000

Cu(Ⅱ) precipitates in aqueous solution by ammonium thiocyanate and hexadocyltrimethyl ammonium bromide. In the presence of sodium nitrate the precipitates is floatated and Cu(Ⅱ) can be completely separated by floatation even in the presence of Fe(Ⅲ), Al(Ⅲ), Co(Ⅱ), Ni(Ⅱ) and Mn(Ⅱ). The method has advantages covering both the organic and inorganic solvent floatation methods and econimics in surfactants and salts.
- ammonium thiocyanate,
- hexadocyltrimethylammonium bromide,
- floatation sepa-ration,
- copper
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