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本文使用纯铀金属样品和含铀微粒标样(CRM200)研究了覆氧技术对U~+、UO~+和UO_2~+灵敏度的影响,并分别使用U~+、UO~+和UO_2~+测量了含铀微粒的主要同位素比以及微量同位素比。结果显示,覆氧技术对U~+灵敏度、~(234)U/~(238)U和~(235)U/~(238)U比无影响,但对UO~+和UO_2~+灵敏度影响极大,使其提高了几倍,如图1所示。使用铀一氧离
Uranium metal samples and uranium-containing microparticle standards (CRM200) were used to study the effects of oxygen-overlay techniques on U ~ +, UO ~ + and UO_2 ~ + sensitivities. U +, UO + and UO 2 + The major isotope ratios of uranium containing particles as well as the trace isotope ratio were measured. The results showed that the effect of oxygen-overlying technology on U ~ + sensitivity, ~ (234) U / ~ (238) U and ~ (235) U / ~ (238) U ratio had no effect on the sensitivity of UO ~ + and UO_2 ~ + Great, it increased several times, as shown in Figure 1. Uranium oxide use