GROUP SEPARATION OF TRANSPLUTONIUM AND RARE-EARTH ELEMENTS BY LIQUID-CHROMATOGRAPHY WITH A FREE STATIONARY-PHASE USING 2,4,6-TRIS[DITOLYLPHOSPHORYL]-1,3,5-TRIAZINE

被引：0
|
作者：
CHMUTOVA, MK
IVANOVA, LA
BODRIN, GB
POLIKARPOV, YM
MYASOEDOV, BF
机构：
来源：
RADIOCHEMISTRY | 1994年 / 36卷 / 04期
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中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Methods are developed for group separation of trace quantities of transplutonium (TPE) and weighable amounts of rare-earth elements (REE) by liquid chromatography with a free stationary phase in systems based on bifunctional neutral organophosphorus compounds. Using a stationary phase of 2,4,6-Tris(ditolylphosphoryl)-1,3,5-triazine in CHCl3, REE are first eluted by 0.5 M NH4SCN-1 M HCl and then TPE by 0.025 M hydroxyethylidenediphosphonic acid in H2O. The fractions contained similar to 100% of one of the groups without an impurity of the other. Use of the same eluents and a CHCl3 solution of tetraphenylmethylenediphosphine dioxide as the stationary phase gave 95.4% pure REE and 97.5% pure TPE.
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页码：353 / 358
页数：6
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