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Heritage Science
Fig. 8 | Heritage Science

Fig. 8

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. 8

a LIBS spectrum from remains of a decorative gold foil on the Ottoman stone inscription AI244. Emission lines from Ag (328.068 and 338.289 nm), Au (312.278 nm) and Cu (324.396 and 327.754 nm) imply the presence of a gold-silver-copper alloy. b Emission lines corresponding to Cu (324.396 and 327.754 nm) in the LIBS spectrum obtained from a green colored area on the marble fragment from the St. Catherine collection

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