Synthesis and properties of a new chelating resin containing the oxime group
1979; Elsevier BV; Volume: 26; Issue: 3 Linguagem: Inglês
10.1016/0039-9140(79)80047-8
ISSN1873-3573
AutoresAtsushi Sugii, Naotake Ogawa, Hiroaki Hashizume,
Tópico(s)Chemical Synthesis and Characterization
ResumoA macroreticular polystyrene-based chelating resin with oxime and diethylamino functional groups has been synthesized. The resin is stable in acid and alkaline solutions; no decrease in nitrogen content or capacity for sorption of copper(II) is observed when it is exposed to 3M hydrochloric acid and 1M sodium hydroxide for 7 days. The resin has higher selectivity for copper(II) than for other metal ions tested and the time required for 50% uptake of copper(II) is 15 min. The highest capacity for copper(II) is 2.0 mmole/g at pH 6.0. In a column operation, quantitative recovery of copper(II) is achieved by elution with 1M hydrochloric acid, and the resin can be used repeatedly.
Referência(s)