What Happens When A Gypsum Is Heated?
What Happens When A Gypsum Is Heated? When gypsum is heated in air it loses water and converts first to calcium sulfate hemihydrate, (bassanite, often simply called “plaster”) and, if heated further, to anhydrous calcium sulfate (anhydrite). What happens when gypsum is heated to 100 gypsum? Gypsum is calcium sulphate dihydrate (CaSO4. 2H2O). When gypsum