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首页> 外文期刊>Theoretical and Experimental Chemistry >EFFECT OF THE STRUCTURE OF CALIX[4]ARENES, CONTAINING PHOSPHINE OXIDE AND PHOSPHORYL GROUPS AND IMPREGNATED ON SILICA GEL, ON THE EFFICIENCY OF Eu~(3+) EXTRACTION FROM AQUEOUS SOLUTIONS
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EFFECT OF THE STRUCTURE OF CALIX[4]ARENES, CONTAINING PHOSPHINE OXIDE AND PHOSPHORYL GROUPS AND IMPREGNATED ON SILICA GEL, ON THE EFFICIENCY OF Eu~(3+) EXTRACTION FROM AQUEOUS SOLUTIONS

机译:杯状[4]芳烃的结构,含氧化膦和磷酸基团,并浸渍在硅胶上,对从溶液中萃取Eu〜(3+)的效率的影响

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摘要

We have obtained efficient solid-phase extractants for extraction of Eu~(3+) ions from aqueous solutions. As the impregnates, we used a series of(thia)calix[4]arenes modified on the upper rim by phosphoryl and phosphine oxide groups. The materials obtained are characterized by sorption capacity 7.5-9.5 mg/g and let us extract up to 99% of the Eu~(3+) from aqueous solutions of moderate salinity.
机译:我们已经获得了用于从水溶液中提取Eu〜(3+)离子的高效固相萃取剂。在浸渍过程中,我们使用了一系列在上边缘被磷酰基和氧化膦基团修饰的(硫杂)杯[4]芳烃。所获得的材料的特征在于吸附容量为7.5-9.5 mg / g,让我们从中等盐度的水溶液中提取多达99%的Eu〜(3+)。

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