| Extraction-chromatographic Separation of Microamount Scandium(Ⅲ)with HEH(EHP) Resin and Its Analytical Application |
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| 作者姓名： | 陈华序 沈凤韵 王喜全 邹凤君 |
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| 作者单位： | Department of Chemistry University of Science and Technology Beijing，Beijing 100083，P.R.of China，Department of Chemistry，University of Science and Technology Beijing，Beijing 100083，P.R.of China，Department of Chemistry，University of Science and Technology Beijing，Beijing 100083，P.R.of China，Department of Chemistry，University of Science and Technology Beijing，Beijing 100083，P.R.of China |
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| 摘 要： | The optimum conditions for the extraction-chromatography by using 2-ethylhexyl-2-ethylhexyl-phosphonate resin to separate scandium(Ⅲ)from large amounts of other metal ions were reported.A me-thod for the separation and determination of microamount of scandium has been developed.This methodgives higher accuracy and reproducibility than solvent extraction with PMBP,especially,for the samplescontaining high content of titanium.Many shortcomings of other methods ever reported can be overcomeby the present method.
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