Dodecylhydroxydiphosphonic Acid for Solvent Extraction

The extraction behavior of Zn(II) and Cu(II) in acetate media has been investigated using dodecylhydroxydiphosphonic acid, DHDPA, which was previously synthesized and characterized. The extraction of both cations was carried out in different media with the addition of CH 3 COOH, HCl or H 2 SO 4 at d...

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Bibliographic Details
Published in:Solvent extraction and ion exchange 2008-03, Vol.26 (2), p.113-127
Main Authors: Amine Didi, Mohamed, Kaid, M'hamed, Villemin, Didier
Format: Article
Language:English
Subjects:
copper(II)
dodecylhydroxydiphosphonic acid
solvent extraction
Zinc(II)
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Summary:The extraction behavior of Zn(II) and Cu(II) in acetate media has been investigated using dodecylhydroxydiphosphonic acid, DHDPA, which was previously synthesized and characterized. The extraction of both cations was carried out in different media with the addition of CH 3 COOH, HCl or H 2 SO 4 at different pH. The maximum extraction yield of 80% for zinc, was obtained in one step after the addition of sulfuric acid at pH i =5.5 and for copper after the addition of 10 mg of sodium acetate. The authors plan additional tests using polar solvents.
ISSN:0736-6299
1532-2262
DOI:10.1080/07366290801904715