Insoluble chelating compositions

Details Insoluble chelating compositions Insoluble chelating compositions

1984-06-28

1986-04-29

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210682, 210688, B01D 1500

Patent

active

045855595

ABSTRACT:
The present invention relates to insoluble compositions, which are capable of removing metal (e.g. selectively) from solution (e.g. Fe.sup.3+ from a liquid nutrient medium so as to lower the Fe.sup.3+ content to less than 0.1 .mu.M); the insoluble compositions comprise: a suitable insoluble carrier and organic co-ordinating sites covalently fixed to the surface of said carrier, said co-ordinating sites being capable of chelating Fe.sup.3+, Th.sup.4+ and/or UO.sub.2.sup.2+.

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