Issue 9, 1983

Mechanism of dehydration of calcium sulphate dihydrate. Application of the helium pyknometric technique

Abstract

A technique involving helium diffusion has been applied to a study of the dehydration of CaSO4·2H2O in vacuo. New evidence supports arguments that removal of water from the β-hemihydrate is ‘zeolite-like’ and that small amounts of tightly held water block entrances to microspace in the β-hemihydrate structure. An appraisal is given of density measurements and changes due to dehydration processes.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans. 1, 1983,79, 2071-2075

Mechanism of dehydration of calcium sulphate dihydrate. Application of the helium pyknometric technique

J. J. Beaudoin and R. F. Feldman, J. Chem. Soc., Faraday Trans. 1, 1983, 79, 2071 DOI: 10.1039/F19837902071

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