Fig. 8
From: Testing of a new Yb:YAG fiber laser system for the removal of graphic vandalism from marble
FTIR spectra after elaboration with K-K algorithm of FR-painted surfaces cleaned with E-I operative modes. Reference spectra of the FR paint on marble (t1-FR) and of the unpainted marble are also reported. The dashed lines highlight the monitored vibrational bands, indicative of paint remains. The inset highlights the depletion of marker vibrational bands with the different cleaning modes