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Section: 6 Minerals and pigments (MP) Page: 538

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Details

IRUG filename:
IMP00538
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Molybdate orange, Lead chromate molybdate, Pigment Red 104 (PR104), CI77605
CAS name:
C.I. Pigment Red 104, Chromium lead molybdenum oxide
Sample source 1:
Cookson Pigments Inc.
Sample identifier 1:
Molybdate Orange
Sample source 2:
Washington State Patrol, Washington State Crime Laboratory
Source location 2:
2203 Airport Way South, Seattle, WA, 98104, US
Sample identifier 2:
Molybdate Orange
Color:
Red-orange
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
Linear formula:
PbCrO4*xPbMoO4*yPbSO4 (but chromate:molybdate molar ratio typically around 1:0.15)
CAS registry no:
12656-85-8, 12709-98-7
Other analytical methods:
XRF (x-ray fluorescence)