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Section: 6 Minerals and pigments (MP) Page: 328

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


Details

IRUG filename:
IMP00328
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Whiting, calcium carbonate, primarily, Pigment White 18 (PW18), CI77220
CAS name:
Carbonic acid calcium salt (1:1)
Sample source 1:
Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum
Source location 1:
32 Quincy St, Cambridge, MA, 02138, US
Sample identifier 1:
Display 162
Color:
White
Age:
1942, dated
MW (relative):
100.08, literature
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Straus Center for Conservation, Harvard University Art Museums
Originating institution acronym:
HUAM
Molecular formula:
C Ca O3
Linear formula:
CaCO3 (primarily)
CAS registry no:
471-34-1