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Far-from-equilibrium steady-state basaltic glass dissolution rates were measured using newly developed Bacterial Mixed-Flow Reactors (BMFR) at 25°C. Experiments were performed in aqueous pH 4, 6, 8, and 10 buffer solutions with and without nutrients and in: 1) the absence of bacteria, 2) the presence of 0.1–0.4g wet /L dead Pseudomonas reactans, and 3) in the presence of 0.9–19.0g wet...
Steady-state dissolution rates of basaltic glass were measured in mixed-flow reactors at 50°C and 3<pH<10 in HCl–NaCl–NH 4 OH bearing solutions having an ionic strength of 0.01M, or higher, as a function of aqueous sulphate concentration. Sulphate was added to reactive aqueous solutions in the form of Na 2 SO 4 . Measured dissolution rates increase with increased sulphate...
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