ferriIIIoksidissa

FerriIIIoksidissa is the Finnish term for iron(III) oxide, which is also known as ferric oxide. It is a chemical compound with the formula Fe2O3. Iron(III) oxide is a reddish-brown solid that is a major component of rust. It is found naturally in the mineral hematite, which is a primary ore of iron.

Iron(III) oxide is an amphoteric oxide, meaning it can react with both acids and bases. It is insoluble in water but soluble in strong acids. In terms of its physical properties, it has a high melting point and is paramagnetic.

Industrially, iron(III) oxide is produced through the oxidation of iron. It has various applications, including being used as a pigment in paints, inks, and cosmetics due to its distinct color. It is also employed as a component in magnetic storage media, such as tapes and hard drives, due to its magnetic properties. Furthermore, it finds use in catalysts and in some dental cements. In nature, it plays a role in the coloration of soils and rocks.