Sulfur, with an atomic weight of 32.06, has four stable isotopes. By far the most abundant is 32S, representing around 95% of the total sulfur on Earth. The next most abundant isotope is 34S, followed by 33S, and finally 36S is the least abundant contributing only 0.0136% to the total (Table 11). The natural abundances of sulfur isotopes, however, vary from these values as a result of biological and inorganic reactions involving the chemical transformation of sulfur compounds. For thermodynamic reasons, the relative abundance of sulfur isotopes can vary between coexisting sulfur phases. This...
Research Article|January 01, 2001
Biogeochemistry of Sulfur Isotopes
Reviews in Mineralogy and Geochemistry (2001) 43 (1): 607-636.
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D. E. Canfield; Biogeochemistry of Sulfur Isotopes. Reviews in Mineralogy and Geochemistry ; 43 (1): 607–636. doi: https://doi.org/10.2138/gsrmg.43.1.607
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