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Section: 8 Natural resins (NR) Page: 386

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Details

IRUG filename:
INR00386
Data type:
Infrared
IRUG material class:
Natural resins (NR)
Sample type:
Reference material
Common name(s):
Shellac, bleached w/ some terpenes [eucalyptol (1,8-cineole), camphor, borneol]
Trade name(s):
Soehnée Frères Retouching Varnish
Chemical/botanical name(s):
Laccifer lacca Kerr.
CAS name:
Shellac
Sample source 1:
Soehnée Frères
Source location 1:
Paris, France
Sample identifier 1:
Soehnée Frères Retouching Varnish
Sample source 2:
Florence Griswold Museum
Source location 2:
96 Lyme St, Old Lyme, CT 06371, US
Color:
Amber, light
Age:
Between 1900 and 1920, manufactured
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Literature Reference:
Sutherland, K., and J.C. Del Río. “Characterisation and Discrimination of Various Types of Lac Resin Using Gas Chromatography Mass Spectrometry Techniques with Quaternary Ammonium Reagents.” J. Chromatogr. A, vol. 1338, 2014, pp. 149–163.
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)