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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: Exploring the transition from natural to synthetic dyes in the production of 19th-century Central Asian ikat textiles

Fig. 7

Chromatographic profiles obtained by HPLC–DAD-MS analysis of a purple sample from the ikat textile S2004.89: (a) UV–Vis chromatogram extracted at 550 nm (inserts show the UV–Vis absorbance spectra of the main compounds); (b) extract ion chromatograms obtained by using the m/z values corresponding to the molecular ions [M+H]+ of methyl violet components

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