同位素2013，Vol.26Issue(1)：42-47,6.DOI:10.7538/tws.2013.26.01.0042
萃取色层法从加速器辐照的镉靶中提取111In
Separation of 111In From Cyclotron Irradiated Cd Target with Extraction Chromatographic Method
摘要
Abstract
111In was produced by the nuclear reaction of natCdCp,xn)111 In. In order to separate 111In from Cyclotron irradiated natural Cd target,a radiochemical purification procedure of CL-D2EHPA extraction chromatography method was developed. Based on the distribution coefficients (Kd) of In3+ , Fe3+ , Cu2+ , Zn2+ and Cd2+ between Di-(2-ethylhexyl) phosphate resin and hydrochloric acid or nitric acid medium, the separation of 111In from natural Cd and other nuclides using CL-D2EHPA resin column and different concentrations of HNO3 and HC1 as the eluants had been studied. The Cd,Cu,Zn fractions were eluted by 7 mol/L HNO3, 111In fraction was washed out and collected in 3 mol/L HC1. The recovery yield of 111In 3+ was over 96%. The radionuclidic purity of 111In produced by natural Cd was more than 96%, The total chemical impurity was less than 2 mg/L .关键词
二(2-乙基己基)磷酸萃淋树脂(CL-D2EHPA)/111In/加速器Key words
Di-(2-ethylhexyl)phosphate(CL-D2EHPA) resin/111In / cyclotron分类
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陈玉清,罗文博,李光,乔来成..萃取色层法从加速器辐照的镉靶中提取111In[J].同位素,2013,26(1):42-47,6.
