| Extraction-chromatographic Separation of Microamount of Indium(Ⅲ) with DMH(MP) Resin and Its Analytical Application |
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| 作者姓名： | 陈华序 沈凤韵 齐德志 朱琳 |
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| 作者单位： | Department of Chemistry University of Science and Technology Beijing Beijing P. R. of China 100083，Department of Chemistry University of Science and Technology Beijing Beijing P. R. of China 100083，Department of Chemistry University of Science and Technology Beijing Beijing P. R. of China 100083，Department of Chemistry University of Science and Technology Beijing Beijing P. R. of China 100083 |
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| 摘 要： | The optimum conditions for extraction-chromatography using di-(l-methylheptyl) methylphosphonateresin to separate indium(Ⅲ) from its coexisting metal ions were studied. A procedure for extraction-chromatographic separation and spectrophotometric determination of indium has been developed. This proce-dure gives more clear-cut separation and higher accuracy and reproducibility than ordinarily used separationby solvent extraction with butyl acetate. Besides, it can be used to separate and determine cadmiumsimultaneously.
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