Reffas, HasniaBenabdellah, TayebHadj youcef, MohamedIlikti, Hocine2015-02-012015-02-012015-02-01https://dspace.univ-usto.dz/handle/123456789/147enCloud point extractionCopper(II)Schiff base chelating ligandSulphate mediaN,N'bis(salicylaldehyde)EthylenediimineAlkyl phenol ethoxylateRemoval of Copper(II) from a Concentrated Sulphate Medium by Cloud Point Extraction Using an N , N ′- Bis(salicylaldehyde)Ethylenediimine Di- Schiff Base Chelating LigandWorking Paper