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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 560

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


Details

IRUG filename:
IMP00560
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Shellac, common, lac resin
Chemical/botanical name(s):
Laccifer lacca
CAS name:
Shellac
Sample source 1:
Gettens Collection, Straus Conservation Center, Fogg Art Museum
Source location 1:
32 Quincy St, Cambridge, MA, 02138, US
Sample identifier 1:
Panel 60-61, Common shellac
Sample source 2:
Philadelphia Museum of Art, Scientific Research Dept.
Source location 2:
Box 7646, Philadelphia, PA, 19101, US
Sample identifier 2:
Panel 60-61, PMA OL66, Common shellac
Color:
Yellow
Age:
1933, dated, 74, at least, naturally aged
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Cross reference to additional spectra:
IRUG Spectrum INR00233
Originating institution name:
Philadelphia Museum of Art
Originating institution acronym:
PMA
CAS registry no:
9000-59-3
Other analytical methods:
Py GC-MS (pyrolysis gas chromatography - mass spectrometry), EDS (energy dispersive spectroscopy)