作者：刘峻岭; 苏玉兰; 赵立飞etvicpmschemicalmodifierupu
摘要：A method on determination of isotope ratio of 235U/238U and 239Pu/240Pu by electrothermal vaporization inductively coupled plasma mass spectrometry (ETV-ICPMS) is developed. The operation parameters of ETV and ICPMS are optimized respectively. The absolute detected limit is 0.3 pg (3k), and the RSDs of 235U/238U and 239Pu/240Pu are better than 5%.
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