Fig. 2

Results of the measurements of the black ink on fol. 108r of Codex Millenarius Maior performed with Raman and XRF. a Raman spectrum of the black ink (red) and a reference spectrum of iron gall ink (black). b XRF spectrum of the black ink (red) in comparison to the parchment (blue), where K and Fe were detected. Lead (Pb) seems to derive from the surface, as it was found in some parchment points, too