why is calcium sulphate
hemihydrate called 'Plaster of Paris'?
Answers
Answer:
Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.
Answer:
why is calcium sulphate?
Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO4 and related hydrates. In the form of γ-anhydrite (the anhydrous form), it is used as a desiccant. One particular hydrate is better known as plaster of Paris, and another occurs naturally as the mineral gypsum.
hemihydrate called 'Plaster of Paris'?
Plaster of paris, quick-setting gypsum plasterconsisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so calledbecause of its preparation from the abundant gypsum found near Paris.