Platinum(II) Extraction by N,N'-Dipentylethylenediamine-N'-
thiocarbaldehyde from Hydrochloric Acid Solutions

R. A. Khisamutdinov and Yu. I. Murinov

Institute of Organic Chemistry, Ufa Scientific Center, Russian Academy of Sciences,
pr. Oktyabrya 71, Ufa, Bashkortostan 450054 Russia
E-mail: hisam@anrb.ru

Received November 20, 2007

Abstract—Platinum(II) extraction by N,N'-dipentylethylenediamine-N'-thiocarbaldehyde from 0.1 M HCl
into chloroform and toluene diluents was studied at 25°C and a phase contact time of 5 min. The extraction had
a coordination mechanism with a Pt S bond formed in the extracted complex PtCl₂S₂. Concentration con-
stants and thermodynamic parameters of the extraction reaction were calculated.

DOI: 10.1134/S0036023609010276

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