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Dissolution kinetics of nickel from lateritic ore in nitric acid solution was investigated. Experimental parameters used were stirring speed (100-600 r/min), temperature (40-96 °C), nitric acid concentration (0.1-2 mol/L) and particle size (<106 µm). The shrinking core model was applied to the results of experiments investigating the effects of leaching temperature in the range of 40-90 °C and...