Applications of mass spectrometry in cultural heritage: identification of ligands employed for mordant gilding.


Three different samples of gilding from wall paintings, from the Palazzo della Ragione in Padua, have been investigated by GC/MS analysis of their basic hydrolysis products obtained using trimethyl(alpha,alpha,alpha-trifluoro-m-tolyl)ammonium hydroxide (TMTFTH). The method employed allowed the identification of the mordant used for the paints, and… (More)