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6760300 
Journal Article 
ADSORPTION BEHAVIORS OF GERMANIUM(IV) ON THE 1,2-PROPANEDIOL TYPE RESINS 
Yasuda, S; Inukai, Y; Ohba, H; , 
1994 
1 
Nippon Kagaku Kaishi
ISSN: 0369-4577
EISSN: 2185-0925 
CHEMICAL SOC JAPAN 
TOKYO 
211-213 
WOS:A1994ND53400006 
The selective adsorption resins for Ge(IV) with the 1,2-diol type ligands were prepared by the amination of a chloromethylated styrene-divinylbenzene beads with 3-dimethylamino-1,2-propanediol (3DMA-PD), 3-diethylamino-1,2-propanediol (3DEA-PD) and 3-amino-1,2-propanediol (3A-PD). Ge(IV) was adsorbed on these resins from the neutral or alkaline solutions. The 3DMA-PD and 3DEA-PD resins exhibited the adsorption capacities for Ge(IV) at 1.14 and 0.98 mmol.g-1, respectively, whereas the 3A-PD resin showed the lower capacity at 0.65 mmol - g-1. The breakthrough capacities of the columns packed with 2 cm3 of these resins were evaluated by loading the various buffered solutions of Ge(IV). The Ge(IV) adsorbed in the column was eluted completely with dilute hydrochloric acid.