Figure 6 | Heritage Science

Figure 6

From: Analysis of natural dyes and metal threads used in 16th -18th century Persian/Safavid and Indian/Mughal velvets by HPLC-PDA and SEM-EDS to investigate the system to differentiate velvets of these two cultures

Figure 6

Chromatograms and the UV-visible spectra of selected samples dyed with turmeric. Chromatograms at 420 nm of EDTA extracts from samples dyed with turmeric and from a reference sample dyed with turmeric (A). The UV-visible spectra of the three peaks of 24–25 minutes in the chromatograms of the extracts from the yellow pile of velvet acc. no. 27.115 (center part) (B) as an example and from a reference sample dyed with turmeric (C).

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