Copper(II) extraction with 1-{[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]-methyl}-1H-1,2,4-triazole from hydrochloric acid solutions

Copper(II) extraction with 1-“[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]-methyl”-1H-1,2,4-triazole in toluene from hydrochloric acid solutions is studied. It is shown that copper(II) is most efficiently extracted with this reagent from 3-5 M HCl solutions. For aqueous acidity of 3 mol/L HCl...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2010, Vol.55 (6), p.982-987
Main Authors: Khisamutdinov, R. A, Anpilogova, G. R, Baikova, I. P, Murinov, Yu. I
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Extraction
EXTRACTIVE METALLURGY
HYDROCHLORIC ACID
Inorganic Chemistry
Physical Chemistry of Solutions
Separation
Toluene
TRIAZOLE
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Summary:Copper(II) extraction with 1-“[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]-methyl”-1H-1,2,4-triazole in toluene from hydrochloric acid solutions is studied. It is shown that copper(II) is most efficiently extracted with this reagent from 3-5 M HCl solutions. For aqueous acidity of 3 mol/L HCl, the extraction is an exothermal process and follows the coordination mechanism. The anion-exchange extraction mechanism predominates where HCl concentrations is greater than 6 mol/L. The studied reagent can be used for the selective separation of copper(II) from nickel(II) and cobalt(II) at aqueous acidities of up to 4 mol/L HCl.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023610060252