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- Title
Separation and Purification of Trace Cadmium in Rocks.
- Authors
YU Zhenhua; WANG Xiufeng; SONG Zhijun; YAO Yaohui; YANG Jianxun
- Abstract
When determining the ratio of cadmium isotopes in rock, problems of low cadmium content and interference of isotopes (106Pd, 108Pd, 110Pd, 112Sn, 113In, 114Sn and 116Sn) were discovered. However, the existing separation methods have high chemical yield for cadmium but low removal rate for isotopic. Therefore, a separation and purification method with high yield for cadmium and high removal force for palladium and stannum is necessary. A N256-N256-P204 three-column separation method was developed for separation and purification of cadmium in rocks. Verified by standard rock samples,the recovery of Cd is more than 99% and the removal factor of Pd and Sn is more than 4.0 x 10³. The separation process meets the requirements of isotope ratio determination of trace cadmium in rocks, and is especially suitable for the isotope ratio measurement of cadmium in some samples with unknown Pd and Sn isotope abundance.
- Publication
Hydrometallurgy of China, 2019, Vol 38, Issue 5, p422
- ISSN
1009-2617
- Publication type
Article
- DOI
10.13355/j.cnki.sfyj.2019.05.017