A rapid separation method for determination of promethium-147 and samarium-151 in environmental samples with high performance liquid chromatography
作者： K. Tobita , M. Yoshida , S. Sumiya , H. Watanabe
DOI: 10.1007/BF02036001
关键词: Analytical chemistry 、 Lanthanide 、 Lactic acid 、 High-performance liquid chromatography 、 Isotopes of promethium 、 Scintillation counter 、 Detection limit 、 Chromatography 、 Chemistry 、 Samarium 、 Column chromatography
摘要: A rapid separation method was developed for determination of low level promethium-147 and samarium-151. The method, applied to environmental samples, provided speed efficiency the respective Pm Sm from other lanthanides with simplified technique high performance liquid chromatography (HPLC) system. time in HPLC shortened by stepwise eluent α-hydroxyisobutyric acid as compared a gradient lactic despite increase sample volume significant Pm-147 Sm-151. This permitted detection limit around 0.1 Bq/kg-dry-soil Sm-151 200 g soil counting 500 min scintillation counter.
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