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Instrumental techniques in the analysis of natural red textile dyes
Journal of Cultural Heritage ( IF 2.553 ) Pub Date : 2019-09-01 , DOI: 10.1016/j.culher.2019.09.002
Pilleriin Peets , Signe Vahur , Anneli Kruve , Tõiv Haljasorg , Koit Herodes , Todd Pagano , Ivo Leito

Abstract Various dyes present in historical objects can be indicative of different usage, age and origin of the artifacts. Knowledge about the composition and origin of textile dyes is essential for the preservation and conservation of the items. In this paper, we compare different instrumental techniques to detect and identify natural red dyes from historical textiles without the need for standard substances of the dye components. Several instrumental techniques were used, including liquid chromatography with photodiode array, fluorescence and mass-spectrometric detectors, as well as Fourier transform ion cyclotron resonance mass spectrometry with electrospray ionization and matrix-assisted laser desorption/ionization sources. Seven natural red dye sources were investigated, including dyer's madder, redwood, logwood, sandalwood, kermes, American cochineal and bloodred webcap (Cortinarius sanguineus). The dye components of the latter source have not been characterized before with all of these analytical techniques. A substantial library of chromatograms and mass spectra, along with absorption and fluorescence spectra (altogether 113 chromatograms/spectra), of dyes and/or dye components were recorded and a comparison of the utility of the different analytical techniques in the analysis of the dye sources is provided. The usefulness of the assembled library of chromatograms/spectra is demonstrated on the analysis of several historical textile samples from museum artifacts.

中文翻译:

天然红色纺织染料分析中的仪器技术

摘要历史物体中存在的各种染料可以指示出不同的用法,年龄和人工制品的来源。关于纺织品染料的成分和来源的知识对于物品的保存和保护至关重要。在本文中,我们比较了不同的仪器技术来检测和鉴定历史纺织品中的天然红色染料,而无需使用染料成分的标准物质。使用了几种仪器技术,包括具有光电二极管阵列的液相色谱,荧光和质谱检测器,以及具有电喷雾电离和基质辅助激光解吸/电离源的傅里叶变换离子回旋共振质谱。调查了七种天然红色染料的来源,包括染者的茜草,红木,原木,檀香木,凯姆斯,美国胭脂红和带血网帽(Cortinarius sanguineus)。所有这些分析技术之前都没有对后一种来源的染料成分进行表征。记录了染料和/或染料成分的大量色谱图和质谱图以及吸收光谱和荧光光谱(共113个色谱图/光谱),并比较了不同分析技术在染料源分析中的效用提供。通过分析博物馆文物中的几个历史纺织品样品,证明了色谱图/光谱组合库的有用性。记录了染料和/或染料成分的大量色谱图和质谱图以及吸收光谱和荧光光谱(共113个色谱图/光谱),并比较了不同分析技术在染料源分析中的效用提供。通过分析博物馆文物中的几个历史纺织品样品,证明了色谱图/光谱组合库的有用性。记录了染料和/或染料成分的大量色谱图和质谱图以及吸收光谱和荧光光谱(共113个色谱图/光谱),并比较了不同分析技术在染料源分析中的效用提供。通过分析博物馆文物中的几个历史纺织品样品,证明了色谱图/光谱组合库的有用性。
更新日期:2019-09-01
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