The elemental oxide of Iron
What is iron oxide?Iron oxide, alias limonite, ochre, iron, red, pink, Venetian red (mainly iron oxide), iron trioxide, etc. The chemical formula Fe2O3, dissolved in hydrochloric acid, is a reddish-brown powder. Its red-brown powder is a kind of low pigment, industrial called iron oxide red, used in paint, ink, rubber, and other industries; it can be used as a catalyst, glass, gem, metal polishing agent, can be used as iron-making raw materials. Iron and Fe is a kind of chemical element, is a cr