| 二(2-乙基己基)磷酸萃取钐的研究 |
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| 引用本文： | 王靖芳,杨文斌,冯彦琳,郑保栓,陈永会.二(2-乙基己基)磷酸萃取钐的研究[J].山西大学学报(自然科学版),1992(4). |
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| 作者姓名： | 王靖芳 杨文斌 冯彦琳 郑保栓 陈永会 |
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| 作者单位： | 山西大学化学系
(王靖芳，杨文斌，冯彦琳，郑保栓)，山西大学化学系(陈永会) |
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| 摘 要： | 二(2-乙基己基)磷酸(简称P_(204)是一种酸性磷型萃取剂。本文采用P_(204)的正己烷溶液从盐酸体系中萃取钐,确定了其萃取机理和萃合物的组成,测定出表观萃取平衡常数;并用P_(204)的磺化煤油溶液对钐的萃取条件及负载有机相的反萃条件进行了筛选。实验表明:当起始水相的PH值等于3.86时,萃取率达99.54％,而采用2N盐酸进行二级反萃,反萃率高达99.68％。
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| 关 键 词： | 二(2-乙基己基)磷酸 萃取、钐 |
RESEARCH ON EXTRACTION OF SAMARIUM WITH DI(2-ETHYLHEXYL) PHOSPHORIC ACID |
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| Wang Jingfang Yang Wenbin Feng Yanling zheng Baoshuan Chen Yonghui.RESEARCH ON EXTRACTION OF SAMARIUM WITH DI(2-ETHYLHEXYL) PHOSPHORIC ACID[J].Journal of Shanxi University (Natural Science Edition),1992(4). |
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| Authors: | Wang Jingfang Yang Wenbin Feng Yanling zheng Baoshuan Chen Yonghui |
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| Abstract: | In this paper, the mechanism of extraction of samarium from Chlorhydric acid system with Di-(2-ethylhexyl) phosphoric acid is studied. The formula of complex is shown. The extraction cgui librium constant is also calculated. Extraction condition of samarium and stripping condition of organic phase have also been selected |
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| Keywords: | Di-(2-cthylhexyl) phosphoric acid Extraction Samarium |
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