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...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 method gives higher accuracy and reproducibility than solvent extraction with PMBP,especially,for the samples containing high content of titanium.Many shortcomings of other methods ever reported can be overcome by the present method.展开更多
文摘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 method gives higher accuracy and reproducibility than solvent extraction with PMBP,especially,for the samples containing high content of titanium.Many shortcomings of other methods ever reported can be overcome by the present method.
