Reaktion #433587

ord-6e633223498d4bff9b206e572e6a7b68

Reaktionsgleichung

O.O.O=S(=O)([O-])[O-].[Ca+2]
land plaster
O.O.O=S(=O)([O-])[O-].[Ca+2]
calcium sulfate dihydrate
→
O.O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[Ca+2].[Ca+2]
calcium sulfate hemihydrate

Edukte

O.O.O=S(=O)([O-])[O-].[Ca+2]
land plaster
O.O.O=S(=O)([O-])[O-].[Ca+2]
calcium sulfate dihydrate

Reagenzien

Keine

Lösungsmittel

O
water

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

The calcination (or dehydration) step in the manufacture of stucco is performed by heating the land plaster, and generally can be described by the following chemical equation which shows that heating calcium sulfate dihydrate yields calcium sulfate hemihydrate (stucco) and water vapor: CaSO4.2H2O+heat#CaSO4.½H2O+1 ½H2O.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07172403B2uspto-grants-2007_02