International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2569

Full Length Research Paper

Solvent extraction of copper, nickel and zinc by Cyanex 272

Noorzahan Begum, Fazlul Bari, Shamsul Baharin Jamaludin and Kamaruddin Hussin      
School of Materials Engineering, University Malaysia Perlis, Taman Muhibbah, 02600 Arau, Perlis, Malaysia.  
Email: [email protected]

  •  Accepted: 17 April 2012
  •  Published: 09 June 2012

Abstract

Studies were conducted on the extraction of copper, nickel and zinc from their sulphate solutions using [bis (2,4,4- trimethylpentyl) phosphinic acid] (Cyanex 272, HA) as an extractant. Effect of various parameters, such as equilibrium pH, extractant concentration, sulphate and acetate ion concentration was investigated. The slope analysis method was used to determine the nature of extracted metal complexes. For the extraction of metal [M(Ac)(HA2).2HA] species was formed.

 

Key words: Cyanex 272, solvent extraction, copper, nickel, zinc.

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