Calculation of the composition of zircon — cerium oxide mixture based on X-ray diffraction data

Based on X-ray diffraction data, a method is described for calculating the composition of a mixture containing cerium-containing solid solutions based on zircon (Zr, Ce) SiO4 and zirconium-containing solid solutions based on cerium oxide (Ce, Zr) O2. The mixture was prepared by calcining at 1200–1600 °С a mechanically activated mixture of zirconium oxide, hydrated amorphous silica and cerium oxide at a molar ratio of ZrO2 : SiO2 : CeO2 equal to 0.95 : 1.00 : 0.05. The content of phases in the composition and the composition of solid solutions were calculated using the Rietveld method and Vegard's rule.