Zirconium oxide (ZrO2) (CED0003289)

Zirconium oxide (ZrO2) belongs to the transition metal oxides, a subclass of transition metal organides within the inorganic compounds. It is a mixed metal/non-metal compound with the formula H4O2Zr and an average molecular weight of 127.25 g/mol. Industrially, the compound serves as an opacifer, pigment, filler, and degradant or impurity (PMC7600431). It is further utilized as an additive and surface modifier (PMC8521205). In biological contexts, zirconium oxide functions as a Lewis acid (PMC9026340). The substance is found in or released from 43 recorded sources. Within electrical and electronic equipment, it is present in antennas, amplifiers, adjustable resistors, coils, auxiliary devices, and 21 other items. In building and construction, it is found in floors, ceilings, roofs, fencing, and stairs and ramps, among one other source. Household cleaning and consumer products containing the compound include tobacco pipes, pipe accessories, non electric simulated smoking devices, cigar cigarettes, and other smoking requisites. Additionally, it is found in food, cookware, and food processing, specifically in the processing of meats, the processing of fish, and fermentation processes for beer. In the category of household items, zirconium oxide is found in watch chains, watch cases, and rosaries.