The optimum conditions for extraction-chromatography using di-(l-methylheptyl) methylphosphonate resin to separate indium(Ⅲ) from its coexisting metal ions were studied. A procedure for extraction- chromatographic se...The optimum conditions for extraction-chromatography using di-(l-methylheptyl) methylphosphonate resin 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 separation by solvent extraction with butyl acetate. Besides, it can be used to separate and determine cadmium simultaneously.展开更多
文摘The optimum conditions for extraction-chromatography using di-(l-methylheptyl) methylphosphonate resin 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 separation by solvent extraction with butyl acetate. Besides, it can be used to separate and determine cadmium simultaneously.