Abstract
It is established that carbonate dissolution kinetics have diffusion and kinetic control, i.e., chemical reaction rate determines the transfer of calcium and carbonate ions into solution and diffusion processes determine the removal of ions into the depth of solution. Kinetics of calcite and siderite dissolution in hydrochloric acid solution in relation to medium pH are studied. Orders of dissolution reaction rate with respect to hydrogen ions n(H+) = 0.6±0.1 are calculated.
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