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A comprehensive and consistent mineral dissolution rate database: Part III: Non-silicate minerals including carbonate, sulfate, phosphate, halide, and oxy-hydroxide minerals
Chemical Geology ( IF 3.6 ) Pub Date : 2024-12-06 , DOI: 10.1016/j.chemgeo.2024.122528 Eric H. Oelkers, Mouadh Addassi
Chemical Geology ( IF 3.6 ) Pub Date : 2024-12-06 , DOI: 10.1016/j.chemgeo.2024.122528 Eric H. Oelkers, Mouadh Addassi
This paper describes the creation of a consistent database of the far-from-equilibrium dissolution rates in aqueous fluids of the major non-silicate minerals including carbonates, sulfates, phosphates, oxides and hydroxides. This work, based on the regression of available dissolution rate data normalized to their BET surface area as a function of pH and temperature, was performed using equations described in Heřmanská et al. (2022, 2023). For carbonate minerals, an additional term was added to account for the slowing of rates in response to increasing aqueous bicarbonate and carbonate concentration. All rate equations have been incorporated into a computer accessible database allowing for the direct application of these rates to assess the temporal evolution of chemical mass transfer in laboratory and field-based systems. It is anticipated that such applications will lead to further advances in our understanding the reaction rates of individual minerals and of natural water-rock interaction in the future.
更新日期：2024-12-06
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