Neodecanoic acid as an extractant of selected non-ferrous metals
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Hydrometallurgy Dept., Institute of Non-Ferrous Metals
Institute of Non-Ferrous Metals
Publication date: 2015-06-01
Corresponding author
Leszek Gotfryd   

Hydrometallurgy Dept., Institute of Non-Ferrous Metals, Sowinskiego 5, 44-100 Gliwice, Poland
Physicochem. Probl. Miner. Process. 2015;51(2):435-445
The paper presents results of studies upon extraction properties of neodecanoic acid (Versatic 10) solutions. Neodecanoic acid was diluted in AZ Exxsol D80 into three concentrations - 7.5, 15 and 30 % (v/v). Research were conducted using sulphates(VI) solutions of six ions: Zn(II), Ni(II), Cu(II), Co(II), Cd(II), Mn(II) and one nitrate(V) solution of Pb(II). All the aqueous solutions were prepared with 0.1 M concentration. For all combinations of the mentioned solutions (organic and aqueous) direct methods of measuring and recording the pH of the biphasic mixture have been applied. The degrees of ions extraction (% E) depending on equilibrium pH values are also presented in this paper. Extraction and stripping isotherms of selected ions and organic phase were plotted (for 7.5 and 30 % (v/v) extractant solutions and Zn(II), Ni(II) and Cu(II) ions).
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