✦ LIBER ✦

Selective binding of mercury ions by poly(4-vinylpyridine) hydrochloride resin

✍ Scribed by B. L. Rivas; H. A. Maturana; M. Luna

Book ID: 101251548
Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 137 KB
Volume: 74
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19991107)74:6<1557::aid-app30>3.0.co;2-2

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✦ Synopsis

The binding ability of poly(4-vinylpyridine) hydrochloride resin for Cu(II), Cd(II), Zn(II), Hg(II), Pb(II), Cr(III), and U(VI) was investigated. All these ions, except Hg(II), could be not removed from aqueous solutions under the same conditions. The selective sorption of Hg(II) from mixtures of ions was observed. The elution of Hg(II) bound to the resin was also investigated using various concentrations of nitric acid and perchloric acid. Due to rapid complexation, a high mercury ion-binding capacity, high selectivity, and ease of regenerability, the resin can be useful for the removal and recovery of mercury ions from aqueous solutions.

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