Studies on a new heteropolyacid-based inorganic ion exchanger; zirconium (IV) selenomolybdate
A new heteropolyacid-based cation exchanger zirconium (IV) selenomolybdate has been
synthesized, characterized using IR, X-ray, TGA, DTA techniques. Its composition was found
to be Zr: Se: Mo:: 2.5: 0.7: 1.6 and it is quite chemically stable. It exhibits 0.94 meq/g ion-
exchange capacity for Na+ ions. Its distribution behavior for 16 metal ions has been studied
and its utility has been employed by achieving separations Zn2+–Cd2+, Zn2+–Co2+, Ni2+–
Cd2+ and Ni2+–Co2+ on its column.
synthesized, characterized using IR, X-ray, TGA, DTA techniques. Its composition was found
to be Zr: Se: Mo:: 2.5: 0.7: 1.6 and it is quite chemically stable. It exhibits 0.94 meq/g ion-
exchange capacity for Na+ ions. Its distribution behavior for 16 metal ions has been studied
and its utility has been employed by achieving separations Zn2+–Cd2+, Zn2+–Co2+, Ni2+–
Cd2+ and Ni2+–Co2+ on its column.
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