Z 1364 (OTTO) Zirconyl nitrate, hydrate, 99.99% trace metals basis Cas no 14985-18-3 - used to prepare CeO2-ZrO2 mixed oxide catalyst supports. Z 1364 (OTTO) Zirconyl nitrate, hydrate, 99.99% trace metals basis Cas no 14985-18-3 used as zirconium precursor in the preparation of Pb(Zr0.50Ti0.50)O3 ferroelectric thin films and Silica- and alumina-doped nanocrystalline ceria/zirconia (Ce0.5Zr0.5O2).