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Cobalt and Rare-Earth Tungstates — Solid State Synthesis and Characterization as New Inorganic Pigments

Rok: 2011

Druh publikace: ostatní - článek ve sborníku

Název zdroje: Book of Abstracts of the 3rd Joint Czech-Hungarian-Polish-Slovak Thermoanalytical Conference & TERMANAL 2011 - XVIII. Conference on Thermal Analysis and Calorimetry

Název nakladatele: Slovenská technická univezita v Bratislave

Místo vydání: Bratislava

Strana od-do: 41-41

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
eng	Cobalt and Rare-Earth Tungstates — Solid State Synthesis and Characterization as New Inorganic Pigments	The series of new cobalt and rare-earth metal tungstates with the formula CoRE2W2O10 were synthesized by the solid-state reaction method by heating of equimolar CoWO4/RE2WO6 mixtures (RE = Dy, Ho, Er). Thermal analysis methods (DTA, TG) were used for description and definition of optimal synthesis conditions and the thermal stability of final products. The characterization of obtained green and blue-grey powders (depending on type of used rare-earth metal) was performed by X-ray diffraction and colorimetry in the CIE Lab* system. The particle size distribution were measured and optimized also. The thermal stability of prepared compounds (1200–1250 °C) is necessary for use in colouring of glazes and plastics.	Tungstates;Rare-Earth Metals;Thermal Analysis;Inorganic Pigments;Solid-State Synthesis;Optical Properties

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