PHOTOLUMINESCENCE SPECTROSCOPY OF NATURAL RESINS AND ORGANIC BINDING MEDIA OF PAINTINGSLONDA J. LARSON, KYEONG-SOOK KIM SHIN, & JEFFREY I. ZINK
ABSTRACT—The photoluminescence spectra of a variety of natural resins and organic binding media used on paintings are reported. A few mixtures of these materials with one another and with pigments were also studied. The application of this technique toward the identification of these materials is considered. Both bulk materials and films prepared from selected bulk materials were studied, and a comparison is made between the bulk and film samples. Temperature and excitation wavelength studies are reported and discussed for several of the samples.
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