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Section: 6 Minerals and pigments (MP) Page: 306

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Details

IRUG filename:
IMP00306
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Cobalt violet, cobalt phosphate variety, Pigment Violet 14 (PV14), CI77360
Chemical/botanical name(s):
Cobalt phosphate
CAS name:
Phosphoric acid, cobalt(2+) salt (2:3)
Sample source 1:
Lefranc
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:
Display 3
Color:
Violet
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
Linear formula:
Co3(PO4)2
CAS registry no:
13455-36-2
Other analytical methods:
SEM (scanning electron microscopy), Co P, April 1999, XRD (x-ray diffraction), (CO3PO4)2