Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40494-016-0085-2/MediaObjects/40494_2016_85_Fig5_HTML.gif)
a Raman spectrum showing bands of chrome yellow (359 and 840 cm−1) and, b LIBS spectrum with main emission lines from Cr (357.869, 359.349 and 360.533 nm) and Pb (357.273, 363.956, 368.346 and 373.993 nm) indicated. Both spectra were obtained on the yellow paint on the Ottoman stone inscription AI244