Section: 8 | Natural resins (NR) | Page: 388 |
IRUG filename: INR00388 | Data type: Infrared | IRUG material class: Natural resins (NR) |
Sample type: Reference material | Common name(s): Shellac, white, translucent phase | 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 identifier 2: Pure White Shellac | Sample source 3: Florence Griswold Museum, Chadwick Studio Materials Collection, Amy Kurtz Lansing | Source location 3: 96 Lyme Street, Old Lyme, Connecticut, US |
Color: Translucent | 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) |