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Section: 8 Natural resins (NR) Page: 366

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Details

IRUG filename:
INR00366
Data type:
Infrared
IRUG material class:
Natural resins (NR)
Sample type:
Reference material
Common name(s):
Shellac, refined
Chemical/botanical name(s):
Laccifer lacca Kerr.
CAS name:
Shellac
Sample source 1:
National Museum of African Art, Smithsonian Institution, Madeline Hexter
Source location 1:
950 Independence Ave SW, Washington, DC 20560, US
Sample identifier 1:
No. 19, Refined shellac
Sample source 2:
Philadelphia Museum of Art, Sally Malenka
Source location 2:
PO Box 7646, Philadelphia, PA, 19101-7646, US
Sample identifier 2:
No. 19, Refined shellac
Color:
Off-white, light, translucent
Age:
10 yrs, approximately, film cast in 1992, Dated 7/14/92
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)