Other
Scientific paper
Apr 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006gecoa..70.1789l&link_type=abstract
Geochimica et Cosmochimica Acta, Volume 70, Issue 7, p. 1789-1795.
Other
6
Scientific paper
The increment method has been successfully applied to calculate thermodynamic isotope fractionation factors of oxygen in silicates, oxides, carbonates, and sulfates. In this paper, we modified the increment method to calculate thermodynamic isotope fractionation factors of sulfur in sulfides, based on chemical features of sulfur metal bonds and crystal features of sulfide minerals. To approximate the bond strength of sulfides, a new constant, known as the Madelung constant, was introduced. The increment method was then extended to calculate the reduced partition function ratios of sphalerite, chalcopyrite, galena, pyrrhotite, greenockite, bornite, cubanite, sulvanite, and violarite, as well as the isotope fractionation factors between them over the temperature range from 0 to 1000 °C. The order of 34S enrichment in these nine minerals is pyrrhotite > greenockite > sphalerite > chalcopyrite > cubanite > sulvanite > bornite > violarite > galena. Our improved method constitutes another model for calculating the thermodynamic isotope fractionation factors of sulfur in sulfides of geochemical interest.
Li Yongbing
Liu Jianming
No associations
LandOfFree
Calculation of sulfur isotope fractionation in sulfides does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Calculation of sulfur isotope fractionation in sulfides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calculation of sulfur isotope fractionation in sulfides will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1165996