Syed, S. and Sharma, L. M. and Mohammad, A. and Syed, A. A. (2002) Selective recovery of gold from secondary sources by Dowex-50-X8 sorbed Rhodamine-B resin. Annali di Chimica, 92 (11-12). pp. 1143-1150. ISSN 1612-8877
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Gold recovery from spent materials has been performed on modified cation-exchange resin. The modified resin was prepared by sorption of Rhodamine-B on Dowex-50-X8 (Na+) resin at pH 2.0. Distribution coefficients of gold ion have been determined with 15% (w/v) potassium chloride in different concentrations of hydrochloric acid. On the basis of Kd values quantitative separation of gold from secondary sources has been achieved. Gold(III) has been selectively separated from gold containing spent materials by column chromatography using modified ionexchange resin and the recovery was more than 92% compared to conventional cyanidation process. The results of the proposed method are suggestive of its applicability to other gold containing secondary sources.
| Item Type: | Article |
|---|---|
| Subjects: | C Chemical Science > Chemistry |
| Divisions: | Department of > Chemistry |
| Depositing User: | Manjula P Library Assistant |
| Date Deposited: | 26 Sep 2019 06:29 |
| Last Modified: | 26 Sep 2019 06:29 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/8538 |
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