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Section: 8 Natural resins (NR) Page: 387

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Details

IRUG filename:
INR00387
Data type:
Infrared
IRUG material class:
Natural resins (NR)
Sample type:
Reference material
Common name(s):
Shellac, white with wax phase (cloudy)
Trade name(s):
Derayco Pure Shellac White
Chemical/botanical name(s):
Laccifer lacca Kerr.
CAS name:
Shellac
Sample source 1:
Devoe & Raynolds Co., Inc.
Source location 1:
New York - Chicago, US
Sample identifier 1:
Derayco Pure Shellac White
Sample source 2:
William Chadwick
Sample source 3:
Florence Griswold Museum, Chadwick Studio Materials Collection, Amy Kurtz Lansing
Source location 3:
96 Lyme Street, Old Lyme, Connecticut, US
Color:
White, semi-opaque
Age:
1936, dated, 73 yrs, at least, naturally aged
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. Sutherland, Ken. “Bleached Shellac Picture Varnishes: Characterization and Case Studies.” JAIC, vol. 33, no. 2, 2010, pp. 129–145.
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)