| Section: 6 | Minerals and pigments (MP) | Page: 122 | 
IRUG filename: IMP00122  | Data type: Infrared  | IRUG material class: Minerals and pigments (MP)  | 
Sample type: Reference material  | Common name(s): Plaster of Paris  | Chemical/botanical name(s): Calcium sulfate hemihydrate, gypsum hemihydrate  | 
CAS name: Plaster of Paris (Ca(SO4).1/2H2O)  | Sample source 1: Philadelphia Museum of Art, Scientific Laboratory  | Source location 1: Box 7646, Philadelphia, PA, 19101, US  | 
Color: White  | Application: MFTIR (Fourier transform infrared microspectroscopy)  | Mode: Tran  | 
Originating institution name: Philadelphia Museum of Art  | Originating institution acronym: PMA  | Linear formula: CaSO4*0.5H2O  | 
CAS registry no: 26499-65-0  |