Interactive IRUG Spectrum

Section: 7

Mixtures (MX)

Page: 151

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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)