用掺杂HDEHP的聚苯胺固相萃取剂萃取分离La3+试验研究  

Solid Phase Extraction of La3+ by HDEHP Doped Polyaniline

作　　者：赵曼 李勇 ZHAO Man;LI Yong(Institute of Metallurgy,Northeast University,Shenyang 110819,China)

机构地区：[1]东北大学冶金学院

出　　处：《湿法冶金》2019年第5期363-367,共5页Hydrometallurgy of China

摘　　要：探讨了用掺杂HDEHP的聚苯胺(PANI)固相萃取剂萃取分离稀土镧,考察了HDEHP掺杂量、水相酸度、萃取时间、固体萃取剂用量对镧萃取效果的影响。结果表明:在萃原液pH为3.0、两相接触时间30min、固相萃取剂中V(HDEHP)/m(PANI)=0.60mL/g、固相萃取剂用量0.30g条件下,镧的常温萃取率为56.17%。The solid phase extraction of lanthanum was researched using solid phase extraction agent HDEHP doped polyaniline.The effects of HDEHP amount,water phase acidity,extraction time and solid extractant content on extracting lanthanum were investigated.The results show that under the conditions of extraction solution pH of 3.0,two-phase contact time of 30 min,V(HDEHP)/m(PANI)=0.60 mL/g and solid phase extraction agent dosage of 0.30 g,the extraction rate of La^3+is 56.17%at room temperature.

关 键 词：稀土镧 聚苯胺 HDEHP 固相萃取 

分 类 号：TF804.2[冶金工程—有色金属冶金] TF845.3