Difference between revisions of "File:22-35 Coparba.Balsam glass.jpg"
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(username removed) (Normal (left) and UV (right) reflected light images of Copaiba Balsam on a glass slide over a black background to illustrate the color of the ...) |
(Maintenance script uploaded "22-35 Coparba.Balsam glass.jpg": Importing image file) |
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Revision as of 16:49, 20 April 2013
Copaiba Balsam
Normal (left) and UV (right) reflected light images of Copaiba Balsam on a glass slide over a black background 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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