Mixed-phase pigments with ZrTiO4

A summary is given of mixed-phase pigments with rutile, fluorite, baddeleyite, and zircon structure. ZrTiO4 as a host for the synthesis of new ceramic mixed-phase pigments of high thermic stability is cited. A new and technical interesting synthesis of ZrTiO4 is described. The yet unknown picnometric density of this new compound is 5.06 +- 0,01 g/ml. 9 equations of incorporation for the formation of mixed-phases and the qualified elements are presented. Experiments are compiled according to the equations of incorporation. Spectral reflectances of some interesting coloured ZrTiO4-mixed-phase pigments are given. (author)