Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 226

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Details

IRUG filename: IMP00226	Data type: Infrared	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Eskolaite, synthetic, minor CH impurity	Chemical/botanical name(s): Chromium oxide
CAS name: Chromium oxide (Cr2O3)	Sample source 1: Department of Mineral Sciences, National Museum of Natural History, Smithsonian Institution	Source location 1: Washington, DC, 20560, US
Sample identifier 1: 163516	Sample source 2: Philadelphia Museum of Art, Scientific Laboratory	Source location 2: Box 7646, Philadelphia, PA, 19101, US
Sample identifier 2: 163516	Color: Greenish black, dark, opaque	Application: MFTIR (Fourier transform infrared microspectroscopy)
Mode: Tran	Originating institution name: Philadelphia Museum of Art	Originating institution acronym: PMA
Molecular formula: Cr2 O3	Linear formula: Cr2O3	CAS registry no: 1308-38-9
Other analytical methods: XRF (x-ray fluorescence)