A New Isotope Effect and Its Possible Role in the Production of Excess Meteoritic 33S and Carbonaceous Material (Q?)

Details A New Isotope Effect and Its Possible Role in the Production of Excess Meteoritic 33S and Carbonaceous Material (Q?) A New Isotope Effect and Its Possible Role in the Production of Excess Meteoritic 33S and Carbonaceous Material (Q?)

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1325t&link_type=abstract

Lunar and Planetary Science, volume 27, page 1325

Astronomy and Astrophysics

Astronomy

Anomalies: Isotopic

Scientific paper

There are several observations of sulfur isotopic anomalies in meteoritic material. This includes excess ^33S in Allende acid residues, oldhamite from Norton County and bulk ureilites. The source of these observed isotopic anomalies is at present, unresolved. Recently, excess ^33S has been observed in an organic extract from Murchison (methane sulfonic acid). This molecule also possesses deuterium excesses ranging from 660 to 2,730 per mil. Since sulfur, like oxygen, may be subject to symmetry dependent reaction chemistry, investigations exploring isotopic fractionations in astronomically relevant molecules may be of utility.

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