Chromatographic separation of germanium and arsenic for the production of high purity 77As
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- 作者：Matthew D. Gotta ; Anthony J. DeGraffenreida ; Yutian Fenga ; Michael D. Phippsa ; Donald E. Wycoffa ; Mary F. Embreeb ; Cathy S. Cutlerb ; 1 ; Alan R. Ketringb ; Silvia S. Jurissona ; jurissons@missouri.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Ge/As separation ; Ge/As distribution coefficient ; Column chromatography ; High specific activity arsenic-77
- 刊名：Journal of Chromatography A
- 出版年：2016
- 出版时间：8 April 2016
- 年：2016
- 卷：1441
- 期：Complete
- 页码：68-74
- 全文大小：894 K
文摘
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Simple, rapid 77As/76,77Ge separation developed.
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No carrier added 77As was separated from neutron irradiated 76Ge using silica gel.
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∼74% arsenate eluted with methanol with minimal to no Ge breakthrough.
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>80–90% arsenate eluted with 12 M HCl:EtOH (1:1200) without Ge breakthrough.
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98% 76Ge recovered by elution with 3 mL of aqueous solution (pH ≥ 7).