Issue Date: July 8, 2013
15th-Century Paint Recipes Discovered
Most art enthusiasts look at a Renaissance masterpiece and enjoy the painting’s aesthetics. But John K. Delaney, a conservation scientist at the National Gallery of Art, studies artworks’ binders, the material that suspends the pigments and makes up the paint’s bulk. Delaney’s team reports a noninvasive way of mapping the chemical identity of a painting’s binders via an absorption spectroscopy technique common in remote sensing called near-infrared . . .
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