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自然界中硫同位素~(32)S和~(34)S丰度的涨落,其计量部用国际标准样品(简称标样)CDT(Canyon Diablo troilite,(石员)铁硫,FeS)为基准。1962年国际硫同位素有关会议确认其同位素比R_(32/34)=22.220。所有硫矿物样品同
The abundances of sulfur isotopes ~ (32) S and ~ (34) S in the natural world are measured by the International Standard Sample (CDT) (Cobalt Diablo troilite, FeS) . The International Conference on Sulfur Isotope in 1962 confirmed that its isotope ratio R_ (32/34) = 22.220. All sulfur mineral samples are the same