The effect of hydrosulphurization on stable carbon isotopic compositions of free and sulphur-bound lipids

Details The effect of hydrosulphurization on stable carbon isotopic compositions of free and sulphur-bound lipids The effect of hydrosulphurization on stable carbon isotopic compositions of free and sulphur-bound lipids

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995gecoa..59.1605s&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 59, Issue 8, pp.1605-1609

Computer Science

3

Scientific paper

1-Decene was subjected to hydrosulphurization under phase-transfer conditions at room temperature. Compound-specific isotope analysis revealed that 1-decene becomes enriched in 13 C with increasing yields of sulphurization whilst the sulphur compounds formed are initially depleted in 13 C compared to the starting substrate. The average carbon isotopic fractionation effect of the reaction on the two carbon atoms involved is ca. -20 . Sedimentary sulphur compounds, however, do not show this fractionation effect indicating that either a different sulphurization reaction with different isotope effects has occurred or that functionalized lipids may have been fully sulphurized.

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