Sulphur isotope effects in the high temperature oxidation of troilite |
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| Authors: | C.E McEwing C.E Rees H.G Thode |
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| Affiliation: | Departments of Physics, Geology and Chemistry (respectively), McMaster University, Hamilton, Ontario, Canada L8S 4K1 |
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| Abstract: | ![]()
Troilite oxidation in air at 1200°C gives sulphur dioxide which is slightly enriched (~0.3%.) in 34S. No systematic variations were seen of the isotopic compositions of product sulphur dioxide or residual troilite with extent of conversion. We speculate that the oxidation reaction takes place at the surface of the molten troilite in such a way as to inhibit mixing between the reacting outer layers and the unreacted liquid substrate so that Rayleigh behaviour with extent of reaction is not observed. |
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| Keywords: | Author to whom correspondence should be addressed. |
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