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用二异丙酮溶剂萃取233Pa(Ⅴ)
Solvent Extraction of 233Pa(Ⅴ)With Di-iso-propyl-ketone
【摘要】 用233Pa作示踪剂,苯作稀释剂,研究了二异丙酮(Di-iso-propyl-ketone)对Pa的溶剂萃取行为。分析了萃取效率与震荡时间、不同种类的无机酸浓度和萃取剂浓度的关系及F-对Pa溶剂萃取的影响。结果表明,二异丙酮是萃取Pa的一种优良的萃取剂;二异丙酮-盐酸体系适用于Pa的萃取研究。
【Abstract】 Solvent extraction behavior of Pa with Di-iso-propyl-ketone(DIPK) in benzene is studied using 233Pa as a tracer.The extraction efficiency of protactinium is measured under the conditions of shaking time, concentrations of different acid and extractant concentrations.The effect of F-is also investigated.The results show that DIPK is an excellent extractant for protactinium and DIPK-HCl system is suitable for the extraction of Pa.
【基金】 国家自然科学基金资助项目(Nos.10075063,10175079)
- 【文献出处】 同位素 ,Journal of Isotopes , 编辑部邮箱 ,2006年02期
- 【分类号】O658.2
- 【下载频次】52