Colour possibilities of rare earth orthoferrite pigments

Show simple item record Dohnalová, Žaneta Vontorčíková, Markéta Šulcová, Petra 2020-05-12T19:52:38Z 2020-05-12T19:52:38Z 2012
dc.identifier.isbn 978-80-7395-577-9
dc.identifier.issn 1211-5541
dc.description.abstract The paper deals with the preparation of the inorganic pigments of general formula RE0.98Ca0.02FeO3, where RE = La, Gd, Lu, Tm, Yb and Ho. The pigments were prepared by the conventional ceramic method, i.e. solid state reaction. As initial components were used Ln2O3, CaCO3 and two sources of Fe components, either Fe2O3 or FeOOH. The reaction mixtures were heated at the temperatures of 800, 900 and 1000 °C. The prepared pigments were applied to an organic binding system and their colour properties evaluated by measuring reflectance in the visible region of light. The most interesting colour properties were obtained by the preparation of the sample Lu0.98Ca0.02FeO3. This pigment was prepared by the calcination of the reaction mixture containing FeOOH and mineralizer LiF at the temperature of 900 °C. Generally, the mineralizer LiF affects the colour properties of all the pigments most significantly. en
dc.format p. 105–115
dc.language.iso en
dc.publisher University of Pardubice en
dc.relation.ispartof Scientific papers of the University of Pardubice. Series A, Faculty of Chemical Technology. 18/2012 en
dc.rights open access en
dc.title Colour possibilities of rare earth orthoferrite pigments en
dc.type Article en
dc.peerreviewed yes en
dc.publicationstatus published en

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