Method for preparing cerium (IV) compound colloidal dispersion in aqueous medium and resulting dispersion

摘要

Process for the preparation of a colloidal dispersion of a cerium(IV) compound in aqueous medium. …??This process consists in digesting a cerium(IV) hydrate with an acid which has a pka of between 2.5 and 5.0, separating the compound obtained and dispersing it in water. …??The dispersions obtained have a pH of between 1.5 and 5.