Section: 6 | Minerals and pigments (MP) | Page: 313 |
IRUG filename: IMP00313 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Hemihydrate, partially calcined gypsum | Chemical/botanical name(s): Calcium sulfate hemihydrate |
CAS name: Sulfuric acid, calcium salt, hydrate (2:2:1) | Sample source 1: US Gypsum Company | Sample source 2: Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum |
Source location 2: 32 Quincy St, Cambridge, MA, 02138, US | Sample identifier 2: Display 177 | Color: White |
Application: Transmission FTIR spectroscopy | Mode: Tran | Originating institution name: Straus Center for Conservation, Harvard University Art Museums |
Originating institution acronym: HUAM | Linear formula: CaSO4.1/2H2O | CAS registry no: 10034-76-1 |