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Heritage Science
Fig. 4 | Heritage Science

Fig. 4

From: A multi-technique approach, based on mobile/portable laser instruments, for the in situ pigment characterization of stone sculptures on the island of Crete dating from Venetian and Ottoman period

Fig. 4

a Raman spectra collected on red and orange areas of the Ottoman stone inscription AI378 and the marble fragment from St. Catherine (AG1), showing vibrational bands of red lead (123, 153, 228, 314, 392, 457 and 550 cm−1). b Emission lines corresponding to Pb (357.273, 363.957, 367.149, 368.346, 373.993, 401.963 and 405.781 nm) in the LIBS spectrum obtained from the red paint on the Ottoman stone inscription AI378

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