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PR057-1 Magruder - lithol rubine (lr1171-dc).jpg IR spectrum of lithol rubine Sample: PR057-1, Magruder Color Company. Spectra credit: James Martin, Orion Analytical, LLC (www.ori(1,200 × 834 (74 KB)) - 12:41, 24 July 2013
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- A large class of azo-type pigments made by combining BON (3-hydroxy-2-naphthoic acid) with diazotized amines. BON pigments were first synthesized See also [[Lithol Rubine]], [[Red lake C]], and [[Permanent Red 2B]].3 KB (397 words) - 14:06, 1 May 2022