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Section: 6 Minerals and pigments (MP) Page: 76

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


Details

IRUG filename:
RMP00076
Data type:
Raman
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
French ultramarine, Pigment Blue 29 (PB29), CI77007
Chemical/botanical name(s):
Sodium calcium aluminum silicate sulfate
CAS name:
C.I. Pigment Blue 29
Sample source 1:
Forbes Pigment Collection, Harvard University Art Museum
Source location 1:
32 Quincy St, Cambridge, MA, 02138, USA
Sample source 2:
Museum of Fine Arts, Boston
Source location 2:
465 Huntington Avenue, Boston, MA, 02115, USA
Sample identifier 2:
MFA 473
Color:
Blue
Application:
Raman microscopy/microspectroscopy
Excitation source (nm):
532
Mode:
Scat
Originating institution name:
Museum of Fine Arts, Boston
Originating institution acronym:
MFAB
Linear formula:
3Na2O*3Al2O3*6SiO2*2Na2S, approximately
CAS registry no:
57455-37-5
Other analytical methods:
EDS (energy dispersive spectroscopy), SEM (scanning electron microscopy), XRD (x-ray diffraction)