STUDIES ON THE SORPTION OF MACROPOROUS PHOSPHONIC ACID RESIN FOR LANTHANUM

被引:9
作者
Xiong Chunhua
Su ZhengnianDepartment of Chemistry Lishui Teachers College Zhejiang Chen EyongDepartment of Chemistry Zhejiang University West Brook Campus Hangzhou [323000 ,3 ,10028 ]
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中图分类号
O647 [表面现象的物理化学];
学科分类号
070305 [高分子化学与物理];
摘要
The influences of medium pH sorption temperature, sorption time, etc. on thesorption capacity of macroporous Phosphonic acid resin for La3+ were determined Thesorption rate constant was k298 = 7.64×10-5 s-1. The complex ratio of phosphonicgroups of the resin to La3+ was 3:1. The basic sorption parameters were determinedThe sorption mechanism of macroporous phosphonic acid resin for La3+ was examinedby chemical analysis and IR- spectrometry.
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页码:7 / 15
页数:9
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