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2015
Journal article
Photochemical colour change for traditional watercolour pigments in low oxygen levels
An investigation for light exposure on pigments in low-oxygen environments (in the range 0–5% oxygen) was conducted using a purpose-built automated microfadometer for a large sample set including multiple samples of traditional watercolour pigments from nineteenth-century and twentieth-century sources, selected for concerns over their stability in anoxia. The pigments were...Lerwill, Andrew ; Townsend, Joyce H. ; Thomas, Jacob ; Hackney, Stephen ; Caspers, Charlotte …