Interactive IRUG Spectrum

Details

IRUG filename:
IMP00126
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:
Wadsworth, Howland & Co.
Sample source 2:
Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum
Source location 2:
32 Quincy St, Cambridge, MA 02138
Sample source 3:
Forbes Pigment Collection Subset, Philadelphia Museum of Art, Scientific Laboratory, Marigene Butler
Source location 3:
Box 7646, Philadelphia, PA, 19101, US
Color:
White
Age:
1917, dated, 81 yrs, at least
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