Žaneta Dohnalová, Jana Luxová, Václava Antušková, Radka Šefců, Petra Šulcová, Ivana Turková, Marek Kotrlý
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The synthesis and quality comparison of nineteenth-century chromate pigments: strontium, barium, zinc and cadmium chrome yellow
This study presents a detailed comparison of the yellow chromate pigments strontium yellow SrCrO4, barium yellow BaCrO4, zinc yellow KZn2(CrO4)2·H2O(OH) and the rare cadmium chrome yellow 2CdCrO4·KOH·H2O, to allow their identification in fine art. Historical recipes from the late nineteenth century were used to synthesise these pigments to ensure they were prepared in an authentic manner. The characteristics of the pigments were established through X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), Raman spectroscopy and Fourier transform infrared spectroscopy (FTIR). The colour properties of the pigments and pigment-oil systems were evaluated using the CIE L*a*b* system. Zinc and cadmium chrome yellows showed the highest chroma and yellow contribution, while strontium yellow exhibited a significant degree of green hue and the lowest amount of yellow hue. The light stability of the chromate pigments tested is influenced by their elemental composition, method of synthesis and the surrounding medium.
期刊介绍:
The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.