Thermal analysis of the Bi2O3-Er2O3-Zro2 pigments |
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| Authors: | Petra Šulcová M Trojan |
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| Institution: | (1) Department of Inorganic Technology, Faculty of Chemical Technology, University of Pardubice, Legions Sq. 565, 532 10 Pardubice, Czech Republic |
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| Abstract: | The synthesis of new compounds based on Bi2O3 is investigated because they can be used as new ecological inorganic pigments. Chemical compounds of the Bi2−xErx/2Zr3x/8O3 type were synthetized. The host lattice of these pigments is Bi2O3 that is doped by Er3+ and Zr4+ ions. The incorporation of doped ions provides interesting colours and contributes to a growth of the thermal stability of
these compounds. The simultaneous TG-DTA measurements were used for determination of the temperature region of the pigment
formation and thermal stability of pigments. This paper also contains the results of the pigment characterization by X-ray
powder diffraction and their colour properties. |
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| Keywords: | bismuth-rare earth mixed oxides colour properties ecological pigments inorganic pigments thermal analysis |
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