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Old masters never used the green pigment copper resinate supposed to be present in their paintings. Dutch art historian Margriet van Eikema Hommes reached this conclusion on the basis of old paint ...
Metal gives pigment the blues. ... The electrons absorb light in the red-green part of the spectrum, but not in the blue, hence the blue is dramatically visible.
The Poison Book Project examines antique books for heavy-metal pigments — including mercury, lead and arsenic — commonly used in Victorian bookbinding. July 24, 2024 8 min ...
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