Practical advances towards safer analysis of heritage samples and objects

A Combined Experimental and Computational Approach to Understanding CdS Pigment Oxidation in a Renowned Early 20th Century Painting

“…The linear combination fitting (LCF) permitted the quantitative determination of the average relative amount of sulfate (S VI ), sulfite (S IV ), and sulfide (S –II ) compounds (expressed as %[S VI ]/[S total ], %[S IV ]/[S total ], and %[S –II ]/[S total ], respectively) and of different Cd and Cl compounds. Because of the well-known sensitivity of the pigments and other components of the paints under the exposure to SR X-ray microprobes, − care was taken to ensure that the spectra were not affected by the measurement process.…”