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In this work, the kinetics of barium sulfate recrystallization has been studied in acidic 0.01 mol dm−3 sodium sulfate solution using 223Ra and 133Ba tracers at very low total radium concentration, i.e. less than 10−13 mol dm−3. It was found that the system follows the homogeneous recrystallization model and that recrystallization rates, inferred by the decrease of 223Ra and 133Ba in the aqueous solution,...
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