Abstract
The compounds CoNd2W2O10 and MnNd2W2O10 were prepared by solid state reaction between CoWO4, resp. MnWO4 and Nd2WO6. Intermediates were prepared in laboratory by a solid state reaction and by a co-precipitation reaction. The new single-phase compounds CoNd2W2O10 and MnNd2W2O10 were prepared only from intermediates prepared by solid state reaction, as in second case the morphology of particles is inappropriate and during the reaction an unknown phase (Nd–W–O) is formed. To describe the processes during thermal reactions, the DTA/TG were used. CoNd2W2O10 and MnNd2W2O10 belong to the orthorhombic crystallographic system, their diffraction pattern were indexed. The new compounds were tested as inorganic pigments. Application of the prepared compounds in ceramic glazes did not provide technological interesting results. The reason is probably the low thermal stability of the prepared compounds CoNd2W2O10 and MnNd2W2O10. In particle form CoNd2W2O10 has blue color and MnNd2W2O10 has brown color.
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This work was supported by Czech Science Foundation (GAČR), Project No. 16-06697S.
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Bělina, P., Machalíková, V., Gorodylova, N. et al. A comparative study of the influence of the method of synthesis of intermediate products in the preparation of CoNd2W2O10 and MnNd2W2O10 and their color properties in ceramic glazes. Chem. Pap. 71, 1597–1603 (2017). https://doi.org/10.1007/s11696-017-0150-7
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DOI: https://doi.org/10.1007/s11696-017-0150-7