Anion-exchange resin modified with pyroc
Anion-exchange resin modified with pyrocatechol violet as a functional resin for retention of Sn(IV)
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Zenovia Moldovan; Luminita VlΔdescu
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Article
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1997
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Elsevier Science
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English
β 422 KB
A selective chelating resin was prepared by loading pyrocatechol violet (PV) on a conventional anion-exchange resin, Dowex 2x4. PV loaded Dowex 2x4 was mixed with Sn(IV) solution and the pH was adjusted to 4 with acetate buffer. After equilibration for 6-7 h on a mechanical shaker, the mixture was s