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Sulfur (16 S) has 23 known isotopes with mass numbers ranging from 27 to 49, four of which are stable: 32 S (95.02%), 33 S (0.75%), 34 S (4.21%), and 36 S (0.02%). The preponderance of sulfur-32 is explained by its production from carbon-12 plus successive fusion capture of five helium-4 nuclei, in the so-called alpha process of exploding type II supernovas (see silicon burning).
Sulfur isotope biogeochemistry is the study of the distribution of sulfur isotopes in biological and geological materials. In addition to its common isotope, 32 S, sulfur has three rare stable isotopes: 34 S, 36 S, and 33 S. The distribution of these isotopes in the environment is controlled by many biochemical and physical processes, including ...
Of the 25 known isotopes of sulfur, four are stable. [1] In order of their abundance, those isotopes are 32 S (94.93%), 34 S (4.29%), 33 S (0.76%), and 36 S (0.02%). [2] The δ 34 S value refers to a measure of the ratio of the two most common stable sulfur isotopes, 34 S: 32 S, as measured in a sample against that same ratio as measured in a known reference standard.
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This is an accepted version of this page This is the latest accepted revision, reviewed on 12 December 2024. This article is about the chemical element. For other uses, see Sulfur (disambiguation). Chemical element with atomic number 16 (S) Sulfur, 16 S Sulfur Alternative name Sulphur (British spelling) Allotropes see Allotropes of sulfur Appearance Lemon yellow sintered microcrystals Standard ...
Main isotopes of sulfur; Main isotopes Decay; abundance half-life (t 1/2) mode product; 32 S ... It contains a table of main isotopes and eventually the standard ...
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
Sulfur has four stable isotopes, 32 S, 33 S, 34 S, and 36 S, of which 32 S is the most abundant by a large margin due to the fact it is created by the very common 12 C in supernovas. Sulfur isotope ratios are almost always expressed as ratios relative to 32 S due to this major relative abundance (95.0%).