Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 126

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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