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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 2

 Copyright © 1993-2025 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
IMP00002
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Blue verditer, Pigment Blue 30 (PB30), CI77420
Chemical/botanical name(s):
Copper carbonate hydroxide, basic copper carbonate
CAS name:
C.I. Pigment Blue 30
Sample source 1:
C. Roberson & Co
Source location 1:
London
Sample source 2:
Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum
Source location 2:
32 Quincy St, Cambridge, MA, 02138, US
Sample identifier 2:
8.01.12
Color:
Blue
Age:
1927, dated
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 H2 Cu2 O5
Linear formula:
Cu3(CO3)2(OH)2
CAS registry no:
1339-83-9