Interactive IRUG Spectrum

Details

IRUG filename:
IMX00151
Data type:
Infrared
IRUG material class:
Mixtures (MX)
Sample type:
Art object / artifact
Common name(s):
Baryta with gelatin from Atget photograph, barium sulfate with gelatin
CAS name:
Barite (Ba(SO4)​), Gelatins
Sample source 1:
Versailles, Eugene Atget, silver gelatin photographic print, emulsion and baryta layers
Source location 1:
Philadelphia Museum of Art, Box 7646, Philadelphia, PA, 19101-7646, US
Sample identifier 1:
PMA 2001-62-287
Color:
White, opaque
Age:
1923-24, dated, 79 yrs., approximately, naturally aged
MW (relative):
233.39 (Barite), calculated
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Literature Reference:
Price, Beth A., K. Sutherland. “Looking at Atget's and Abbot's Prints: The Photographic Materials .” Looking at Atget, Philadelphia Museum of Art, Philadelphia, PA, 2005, pp. 103–117.
Originating institution name:
Philadelphia Museum of Art
Originating institution acronym:
PMA
Linear formula:
BaSO4
CAS registry no:
13462-86-7 (barite), 9000-70-8 (gelatins)
Other analytical methods:
EDS (energy dispersive spectroscopy), RP HPLC (reverse-phase high performance liquid chromatography), SEM (scanning electron microscopy)