Experimental study of K-feldspar dissolution rates as a function of chemical affinity at 150°C and pH 9
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2022, Chemical GeologyCitation Excerpt :Rates obtained in the presence of 1 atm pCO2 and/with added aqueous organic ligands are up to 1.5 log units faster than those measured at ambient pCO2 and in the absence of organic ligands (Busenberg and Clemency, 1976; Tan, 1980; Bevan and Savage, 1989). Moreover, experimental data from Swoboda-Colberg and Drever (1993) obtained at field and laboratory conditions and normalized to the geometric surface area, and data from Gautier et al. (1994) obtained at various close-to-equilibrium chemical affinities were also not considered for the regression. Experimental datasets that are not included for the kinetic fit are marked in circles in Fig. 5 and indicated in Table S1 in Appendix A.
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