摘要
用CL-P507-HCl体系柱色层法对镨、钕元素的分离进行了研究。讨论了树脂粒度、淋洗剂浓度、负载量、盐效应、柱长径比等因素对分离的影响,确定了镨、钕分离的较适合的条件。将上述结果用于去除高纯氧化钕中的镨杂质,取得了令人满意的结果。
The separation of praseodymium(Ⅲ) and neodymium(Ⅲ) by extraction
chromatography with the system 2 ethylhexyl phosphonic acid mono 2 ethylhexyl ester
[HEH(EHP)] HCl has been studied. The influence of particle size of CL P 507
resin,concentration of hydrochloric acid as eluant,loading of rare earth column ratio(L/Φ) and
ammonium chloride on the separation has been discussed.Proper conditions of separation
have been found out.The method has been used to separate praseodymium(Ⅲ) impurity in
highly pure neodymium oxide,satisfactory results were obtained.
出处
《化学试剂》
CAS
CSCD
1999年第2期65-67,97,共4页
Chemical Reagents
关键词
P507
柱色层
提纯
氧化钕
高纯氧化钕
镨
分离
extraction
chromatography,2 ethylhexyl phosphonic acid mono 2 ethylhexyl ester,levextrel
resin,neodymium