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REVISTA DE CHIMIE
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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2012, Volume 63, Issue 1,





Ana Mihaela SAVIUC-PAVAL, Ion SANDU, Ionel Marcel POPA, Ioan Gabriel SANDU, Viorica VASILACHE, Andrei Victor SANDU
Obtaining and Characterization of Ceramic Pigments
for Polychrome Artistic Elements I. Synthesis and SEM-EDX and m-FTIR Analysis

Abstract:

The present paper presents the synthesis and chemical characterization of 18 thermally and photo-resistant ceramic pigments, obtained by aqueous system coprecipitation, based on a zinc phosphate and chromate/dichromate chromophore structure (considered as basic precursor), chemically doped with Mn(II), Fe(II), Fe(III), Co(II), Ni(II) and Bi(III) cations. The pigments are intended for painting purposes or as fritted pigments for mosaics or stained glass. Following the synthesis in an alkaline, neutral, or mild acid aqueous medium (according to case), the precipitates were washed, dried and calcinated, then analyzed by SEM-EDX and micro-FTIR. The results obtained revealed the chromophore species involved in precipitation, by correlation of the molar ratios used in the synthesis and the elemental chemical composition identified by EDX. The SEM micro-photographs revealed the morphology and the granulometry of the powder and the micro-FTIR confirmed the composition of the newly synthesized pigment. Keywords: ceramic pigment, SEM-EDX, micro-FTIR, coprecipitation, synthesis, polychrome layer

Issue: 2012, Volume 63, Issue 1
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