Hafnium oxide (CED0006205)

Hafnium oxide is an inorganic compound with the chemical formula $\text{HfO}_2$ and an average molecular weight of 210.49 g/mol. Hafnium oxide belongs to the miscellaneous mixed metal/non-metals, a class of mixed metal/non-metal compounds within the inorganic compounds. The compound is associated with 27 recorded sources of occurrence or release. Within the category of electrical and electronic equipment, it is found in antennas, amplifiers, adjustable resistors, coils, auxiliary devices, and 16 additional sources. In the context of food, food processing, and cookware, hafnium oxide is released during the processing of meats, the processing of fish, the preparation of wort, and the preparation of wine or sparkling wine. Other recorded sources include key rings among household items and ceilings within building and construction.