Figure 4 | Heritage Science

Figure 4

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 4

Chromatograms and UV-visible spectra of selected yellow and green samples dyed with yellow larkspur. Chromatograms at 350 nm of EDTA extracts from yellow and green samples and from reference samples dyed with yellow larkspur and weld (A). UV-visible spectra of the peaks at 15.5 minutes (B and D) and 16.5 minutes (C and E) of the chromatograms of a green pile sample from velvet acc. no. 27.115 as an example, and of a reference sample dyed with yellow larkspur.

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