Resacetophenoneoxime-thiourea-trioxane resin as chelating ion-exchanger

✍ Scribed by Hemendra B. Pancholi; Mohan M. Patel

• Book ID: 103956424
• Publisher: Elsevier Science
• Year: 1992
• Weight: 267 KB
• Volume: 17
• Category: Article
• ISSN: 0923-1137
• DOI: 10.1016/0923-1137(92)90282-7

✦ Synopsis

Resin (ROTT') prepared by condensation of resacetophenoneoxime and thiourea with trioxane in the presence of an acid catalyst proved to be a selective ion-exchange resin for some metal ions. The chelating ion-exchange properties of this resin were studied for Cu 2÷, Ni 2÷, Co 2÷, Mn 2÷, Zn 2÷, Fe 3÷ and UO if÷ ions. A batch-equilibration method was employed to study selectivity of metal ion uptake over a wide pH range and in media of various ionic strengths. The resin showed a higher selectivity for Cu 2÷, Fe 3+ and UO 2+ ions than forMn 2+, Co + and Zn 2+ ions. The separation of Fe 3+ and UO 2+ with Cu 2 ÷, Ni 2 ÷, Co 2 ÷ and Zn 2 ÷ ions was also investigated.