Covioletd C100x.jpg
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Cobalt violet dark
Normal (left) and UV (right) reflected light images at 100x of pigment/collodion mixture on glass slide to illustrate pigment color 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.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:48, 20 April 2013 | | 1,200 × 900 (126 KB) | Maintenance script (talk) | Importing image file |
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