Seite - 112 - in The Vienna Genesis - Material analysis and conservation of a Late Antique illuminated manuscript on purple parchment

112 Identification of the purple dye on the Vienna Genesis Fig. 5: Representative excitation spectra for the reddish purple colour on parch- ment in the Vienna Genesis, acquired on a micro-sample. Fig. 6: Representative emission spectra for the reddish purple colour on parch- ment in the Vienna Genesis, acquired on a micro-sample. Fig. 7: Excitation spectra of parchment dyed with Lasallia pustulata, for 0 h and 167 h irradiation time (Xenon lamp, lirr ≥ 320 nm). Open-Access-Publikation im Sinne der CC-Lizenz BY 4.0