Further Investigation on Elemental Separation Using AG MP-1 Anion Exchange Resin

Abstract

Abstract:

Methods of chromatographic separation of Cu, Fe and Zn using AG MP-1 anion exchange resin developed previously were focused mainly on the purification of ordinary geological materials. It is unclear whether those methods are suitable for separation of some special geological materials such as Bayan Obo ore samples which show extreme enrichment of REE and Nb. To understand whether elements including REE, Nb, Ta, Co and W can be separated from Fe, experiments were carried out using AG MP-1 anion exchange resin with 6 mol/L HCl and 2 mol/L HCl media. The results show that the method established before can make effective separation of REE and W with Fe, and that nearly 90% of Nb and Ta can be washed out before Fe elution using 6 mol/L HCl. The behaviors of Fe, Co and Cu observed in this investigation are consistent with previous studies.

Key words: chromatographic separation, Fe isotopes, REE, Nb, Ta, W

CLC Number:

P599

SUN Jian, ZHU Xiang-Kun, TANG Suo-Han, CHEN Yue-Long. Further Investigation on Elemental Separation Using AG MP-1 Anion Exchange Resin[J]. Geoscience, 2010, 24(5): 866-869.

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