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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 544

 Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
IMP00544
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Cobalt chromite blue-green spinel [Co(Al,Cr)204], Pigment Blue 36 (PB36), CI77343
CAS name:
Spinels, aluminum chromium cobalt blue green
Sample source 1:
Ferro Corporation
Source location 1:
Cleveland, OH, US
Sample identifier 1:
Cobalt Chromite Blue-Green Spinel (PB36)
Sample source 2:
Washington State Patrol, Washington State Crime Laboratory
Source location 2:
2203 Airport Way South, Seattle, WA, 98104, US
Sample identifier 2:
Cobalt chromite blue-green spinel [Co(Al,Cr)204]
Color:
Bright reddish-greenish blue
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Suzuki, Edward M. “Infrared Spectra of U.S. Automobile Original Topcoats (1974-1989): II. Identification of Some Topcoat Inorganic Pigments Using an Extended Range (4000-220 cm-1) Fourier Transform Spectrometer.” Journal of Forensic Sciences, vol. 41, no. 3, 1996, pp.393-406.
Originating institution name:
Washington State Patrol, Crime Laboratory Division
Originating institution acronym:
WSP
Molecular formula:
Co(Al,Cr)2O4
CAS registry no:
68187-11-1
Other analytical methods:
XRF (x-ray fluorescence)