期刊
APPLIED RADIATION AND ISOTOPES
卷 122, 期 -, 页码 111-115出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2017.01.008
关键词
HPLC-TLC; Anion exchange chromatography; No carrier added (nca) As-77 and As-74; Natural germanium oxide (GeO2) target; Radiochemical separation; Reactor and cyclotron production of arsenic; isotopes
类别
资金
- NKFI [TET_12_DE-12013-0013]
- Federal Ministry of Education and Research (BMBF, Germany) [01OS14024]
A high-performance liquid chromatography (HPLC) device equipped with an anion exchange column was used to isolate nca As-77 from reactor irradiated (GeO2)-Ge-nat targets. The oxidation states of the isotope As-77 during the process was verified by thin layer chromatography. The radionuclidic purity of the separated fractions was checked by gamma measurements and it was found to be 99.91% for the As fraction. The elaborated method was applied to separate the isotope As-74 from cyclotron irradiated (GeO2)-Ge-nat targets too.
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