| Enrichment of trace cerium subgroup rare earths by means of ion flotation |
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| 基金项目： | Work supported by the National Natural Science Foundation of China |
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| 摘 要： | The possibility of ion flotation of cerium subgroup rare earths (Ce-subgroup) wasexplored. Various factors affecting the flotation efficiency were investigated. The results showedthat, by using sodium tetradecyl sulfate as the collector of trace Ce-subgroup and frother, over 95%of Ce-subgroup at ng/g levels could be separated from pH 2.3 media in 10--15 min. The proposedmethod has been applied to the determination of Ce-subgroup in a polluted farmland soil referencematerial (GBW 08303) with satisfactory results.
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Enrichment of trace cerium subgroup rare earths by means of ion flotation |
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| Shu-Quan Liang,Hui-Min Ma. Enrichment of trace cerium subgroup rare earths by means of ion flotation[J]. Chinese Journal of Chemistry, 1993, 11(6): 550-553. DOI: 10.1002/cjoc.19930110609 |
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| Authors: | Shu-Quan Liang Hui-Min Ma |
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| Abstract: | The possibility of ion flotation of cerium subgroup rare earths (Ce-subgroup), was explored. Various factors affecting the. flotation efficiency were investigated. The results showed that, by using sodium tetradecyl sulfate as the collector of trace Ce-subgroup and frother, over 95% of Ce-subgroup at ng/g levels could be separated from pH 2.3 media in 10—15 min. The proposed method has been applied to the determination of Ce-subgroup in a polluted farmland soil reference material (GBW 08303) with satisfactory results. |
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