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. 2007 Mar 21;8:1. doi: 10.1186/1467-4866-8-1

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Copyright © 2007 Hunger and Benning; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Reaction progress (α) determined from the growth and decay of the diffraction peaks for mackinawite (200), greigite (440), and pyrite (311) as a function of time at 200°C. Reaction conditions are the same as in Fig. 1. Rate constants for mackinawite consumption (k^-_mack), greigite growth and consumption (k⁺_greiand k^-_grei, respectively) and pyrite growth (k⁺_pyr) were determined from the slopes of the fitted lines and are tabulated in Tab. 3. Error bars were omitted for clarity; mean errors in α : mackinawite (200) ± 0.203, greigite (440) ± 0.0633, pyrite (311) ± 0.0489.