26-39 Sandarac Oil glass.jpg
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Sandarac
Normal (left) and UV (right) reflected light images of Sandarac on a glass slide photographed over black paper to illustrate the color of the substance along with presence or absence of autofluorescence. Normal light = Halogen lamp (100 W, no filter); UV light=Mercury gas discharge lamp (100W, excitation filter=340-380nm, suppression filter=425 nm). Image credit: Scientific Research lab, Museum of Fine Arts, Boston
Sample from the Gettens Collection of Aged Pigments and Media, Straus Center for Conservation, Harvard University Art Museums.
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current | 16:49, 20 April 2013 | 1,200 × 581 (102 KB) | Maintenance script (talk) | Importing image file |
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