Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 194

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Details

IRUG filename: RMP00194	Data type: Raman	IRUG material class: Minerals and pigments (MP)
Sample type: Art object / artifact	Common name(s): Orpiment, Pigment Yellow 39 (PY39), CI77085	Chemical/botanical name(s): Arsenic trisulfide
CAS name: Orpiment (As2S3)	Sample source 1: Chest with Coat of Arms and Emblems of the Medici Family (Cassone)	Source location 1: Florence, Italy
Sample source 2: Coat-of-arms, yellow paint	Sample source 3: Philadelphia Museum of Art	Source location 3: Box 7646, Philadelphia, PA, 19101, US
Color: Yellow, medium, opaque	Age: C. 1450-1460	Application: Raman microscopy/microspectroscopy
Excitation source (nm): 785	Mode: Scat	Originating institution name: Philadelphia Museum of Art
Originating institution acronym: PMA	CAS registry no: 12255-89-9	Other analytical methods: EDS (energy dispersive spectroscopy), SEM (scanning electron microscopy)