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IMP00003 Cobalt blue, PB28, CI77346; Lefranc, Forbes; Case 45; SCC; tran
4500
4198
3897
3595
3294
2992
2691
2389
2088
1786
1485
1183
882
580
0.01
0.15
0.29
0.43
0.57
Submitter
Section: 6 Minerals and pigments (MP) Page: 3

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Details

IRUG filename:
IMP00003
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Cobalt blue, Pigment Blue 28 (PB28), CI77346
Chemical/botanical name(s):
Cobalt aluminate
CAS name:
C.I. Pigment Blue 28, Aluminum cobalt oxide (Al2CoO4)
Sample source 1:
Lefranc
Source location 1:
Paris
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:
Wallcase 45
Color:
Blue
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:
Al2 Co O4
Linear formula:
CoO*Al2O3
CAS registry no:
1345-16-0 (PB28), 1333-88-6