Hydrometallurgical thermodynamics—IV. Effect of dimethylsulfoxide on the activity of Cu2+ in chloride media and free energies of transfer of CuCl−2 and AgCl−2 from water to aqueous dimethylsulfoxide

D.M. Muir; P. Singh; C.C. Kenna; G. Senanayake

doi:10.1016/0013-4686(89)87043-4

Back

Hydrometallurgical thermodynamics—IV. Effect of dimethylsulfoxide on the activity of Cu2+ in chloride media and free energies of transfer of CuCl−2 and AgCl−2 from water to aqueous dimethylsulfoxide

Journal article

Peer reviewed

Hydrometallurgical thermodynamics—IV. Effect of dimethylsulfoxide on the activity of Cu2+ in chloride media and free energies of transfer of CuCl−2 and AgCl−2 from water to aqueous dimethylsulfoxide

D.M. Muir, P. Singh, C.C. Kenna and G. Senanayake

Electrochimica Acta, Vol.34(11), pp.1573-1579

1989

DOI: https://doi.org/10.1016/0013-4686(89)87043-4

Files and links (1)

url

Link to Published Version *Subscription may be requiredView

Abstract

Reduction potentials of the Cu(II)/Cu(I), Cu(I)/Cu(0) and Ag(I)/Ag(0) couples have been measured over the whole range of dimethylsulfoxide—water compositions in the presence of 0.1 M HCl and the changes in activity and free energies of transfer (ΔGtr) of Cu2+, Cu+, CuCl−2, Ag+ and AgCl−2 from water to DMSOH2O mixtures are reported. Over the entire range of DMSOH2O compositions, values of ΔGtr CuCl−2 and AgCl−2 remain relatively constant with respect to water whilst values of ΔGtr, Cu2+, Cu+ and Ag+ decrease significantly. The competitive solvation and complexation of Cu+, Cu+ and Ag+ with DMSO and Cl− is discussed, and a possible application of the Cu(II)DMSOH2OCl− system to processing precious metal residues is considered.

Details

Title: Hydrometallurgical thermodynamics—IV. Effect of dimethylsulfoxide on the activity of Cu2+ in chloride media and free energies of transfer of CuCl−2 and AgCl−2 from water to aqueous dimethylsulfoxide
Authors/Creators: D.M. Muir (Author/Creator) - Murdoch University
P. Singh (Author/Creator) - Murdoch University
C.C. Kenna (Author/Creator) - Murdoch University
G. Senanayake (Author/Creator) - Murdoch University
Publication Details: Electrochimica Acta, Vol.34(11), pp.1573-1579
Publisher: Elsevier
Identifiers: 991005542620707891
Murdoch Affiliation: School of Mathematical and Physical Sciences
Language: English
Resource Type: Journal article

Metrics

24 Record Views

2 Times Cited - Web of Science

InCites Highlights

These are selected metrics from InCites Benchmarking & Analytics tool, related to this output

Citation topics: 2 Chemistry; 2.89 Ionic, Molecular & Complex Liquids; 2.89.462 Excess Molar Volumes
Web Of Science research areas: Electrochemistry
ESI research areas: Chemistry