Fig. 7 | Heritage Science

Fig. 7

From: The analysis of the Saltzman Collection of Peruvian dyes by high performance liquid chromatography and ambient ionisation mass spectrometry

Fig. 7

Chromatogram for Kageneckia lanceolata sample showing the main components rutin and quercetin, and the presence of several species with the same raw formula. a Total ion chromatogram, b–d selected ion chromatograms for the molecular formulas shown. QToF fragmentation spectra are provided in Additional file 1: Figures S1–3. The peak labeled c in a is a contaminant

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