Chelation ion‐exchange properties of copolymer resin derived from 4‐hydroxyacetophenone, oxamide, and formaldehyde | Zendy

Gurnule W. B. | Zendy; Rahangdale P. K. | Zendy; Paliwal L. J. | Zendy; Kharat R. B. | Zendy

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Chelation ion‐exchange properties of copolymer resin derived from 4‐hydroxyacetophenone, oxamide, and formaldehyde

Author(s) -

Gurnule W. B.,

Rahangdale P. K.,

Paliwal L. J.,

Kharat R. B.

Publication year - 2003

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.12278

Subject(s) - oxamide , copolymer , chelation , ion exchange , formaldehyde , metal ions in aqueous solution , selectivity , inorganic chemistry , metal , chemistry , ion , polymer chemistry , ion exchange resin , catalysis , materials science , nuclear chemistry , polymer , organic chemistry

A copolymer (4‐HAOF) prepared by condensation of 4‐hydroxyacetophenone and oxamide with formaldehyde in the presence of an acid catalyst proved to be a selective chelating ion‐exchange copolymer for certain metals. Chelating ion‐exchange properties of this copolymer were studied for Fe 3+ , Cu 2+ , Ni 2+ , Co 2+ , Zn 2+ , Cd 2+ , Pb 2+ , and Hg 2+ ions. A batch equilibrium method was employed in the study of the selectivity of metal‐ion uptake involving the measurements of the distribution of a given metal ion between the copolymer sample and a solution containing the metal ion. The study was carried out over a wide pH range and in media of various ionic strengths. The copolymer showed a higher selectivity for Fe 3+ ions than for Co 2+ , Zn 2+ , Cd 2+ , Pb 2+ , Cu 2+ , Ni 2+ , and Hg 2+ ions. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 89: 787–790, 2003

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