HuagongsheHuagongshe Chemistry Print Report · For research reference only
Calcium Sulfate Dihydrate → Calcium Sulfate, Hemihydrate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Calcium Sulfate Dihydrate | HCID 24928 | — |
| Solvent | Water | HCID 962 | — |
| Product | Calcium Sulfate, Hemihydrate | HCID 3033839 | — |
Reaction Steps
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.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07172403B2 |
| Source dataset | uspto-grants-2007_02 |
| ORD ID | ord-6e633223498d4bff9b206e572e6a7b68 |
| Source note | uspto-grants-2007_02 |