Page - 135 - in The Vienna Genesis - Material analysis and conservation of a Late Antique illuminated manuscript on purple parchment

Rabitsch, Malissa, Hradil, Erlach, Uhlir, Griesser, Hofmann 135 Fig. 18: Comparison of the XRF spectra of measuring points on the parchment of the Vienna Genesis on folio 3 (purple), on folio 21 (blue) and of Codex Purpureus Petropolitanus on two points on folio 25 (grey and black). Fig. 19: Comparison of the XRF spectra of measuring points on silver ink on folio 25 (dark blue) and on folio 26 (light blue) as well as on the parchment on folio 25 (grey and black) of Codex Purpureus Petropolitanus. Open-Access-Publikation im Sinne der CC-Lizenz BY 4.0