Adsorption behavior of Zr(Ⅳ) and Hf(Ⅳ) on a silica-based macroporous TODGA adsorbent

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In order to separate Zr(IV) and Hf(IV) in acidic solution,several kinds of silica-based macroporous adsorbents were synthesized.Their adsorption selectivity for Zr(IV) and Hf(IV) in HCl solution was investigated,and the TODGA adsorbent for the two element
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