Interactive IRUG Spectrum

IMP00068 Diatomaceous earth, amorphous silica; USNMNH; FGA; tran

3996

3735

3474

3212

2951

2690

2429

2167

1906

1645

1384

1122

861

600

-0.01

0.24

0.49

0.75

1.00

Submitter

Section: 6

Minerals and pigments (MP)

Page: 68

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Details

IRUG filename: IMP00068	Data type: Infrared	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Diatomaceous earth	Chemical/botanical name(s): Silicon dioxide (amorphous), primarily
CAS name: Diatomite	Sample source 1: US National Museum of Natural History	Source location 1: Washington, DC, US
Sample source 2: Smithsonian Institution, National Museum of Natural History (NMNH), Department of Mineral Sciences	Color: White	Application: MFTIR (Fourier transform infrared microspectroscopy)
Mode: Tran	Originating institution name: Freer Gallery of Art, Smithsonian Institution	Originating institution acronym: FGA
Linear formula: SiO2, primarily	CAS registry no: 61790-53-2	Other analytical methods: PLM (polarized light microscopy)