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A Study in Mauve: Unveiling Perkin's Dye in Historic Samples

机译:在紫红色的研究:在历史样本中揭开珀金的染料

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摘要

The analysis of different historic mauve samples - mauve salts and dyed textiles - was undertaken to establish the exact nature of the iconic dye produced by W. H. Perkin in the nineteenth century. Fourteen samples from important museum collections were analyzed, and it was determined that, in contrast to the general wisdom that mauveine consists of C26 and C27 structures, Perkin's mauveine is a complex mixture of at least thirteen methyl derivatives (C24 to C28) with a 7-amino-5-phenyl-3-(phenylamino)phenazin-5-ium core. A fingerprint was established in which mauveines A or B were dominant, and in which mauveines B2 and C25 were found to be important tracers to probe the original synthesis. Counterion analysis showed that all the mauve salts should be dated after 1862. Perkin's original recipe could be identified in three textile samples, and in these cases, mauveines A and C25 were found to be the major chromophores. These are now shown to be the samples containing the ldquooriginal mauverdquo.
机译:进行了不同的历史性紫红色样品的分析-紫红色盐和染色的纺织品-以建立W.H. Perkin在19世纪生产的标志性染料的确切性质。分析了来自重要博物馆收藏品的14个样品,并确定与一般的看法认为,牛磺酸由C26和C27结构组成相反,珀金的牛磺酸是至少13种甲基衍生物(C24至C28)与7种甲基衍生物的复杂混合物。 -氨基-5-苯基-3-(苯基氨基)吩嗪-5-鎓核。建立了指纹图谱,其中A或B的主要成分为紫红色,B2和C25的成分被认为是探测原始合成的重要示踪剂。抗衡离子分析表明,所有的紫红色盐都应注明日期于1862年之后。可以在三个纺织品样品中确定珀金的原始配方,在这些情况下,发现紫红色A和C25是主要发色团。现在显示这些是包含原始紫红色的样本。

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