The crystallization of calcium sulfate dihydrate

作者: B.R Smith , Frank Sweett

DOI: 10.1016/0021-9797(71)90339-0

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摘要: Abstract A dilatometric study of the crystallization calcium sulfate dihydrate from aqueous solution at 30°C in absence added seed crystals indicated that nucleation was heterogeneous. The growth rate proportional to crystal surface area and square supersaturation. An extensive conductometric seeded four temperatures several ionic compositions allowed a comparison various empirical expressions for kinetics which have been suggested similar systems. value constant rate-controlling step dehydration ions.

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