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dead burnt plaster

Plaster of Paris

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 1 Comment

Plaster of Paris, ( CaSO4 . ½ H2O) Plaster of Paris is calcium sulphate hemihydrate, CaSO4 . ½ H2O . Preparation of Plaster of Paris It is prepared by heating gypsum to 393 K. 2 CaSO4 . 2 H2O ---------> 2 CaSO4 . ½ H2O + 3 H2O The following conditions are necessary: 1) The temperature should not be allowed to rise above 393 K because above this temperature, the … [Read more...] about Plaster of Paris

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