Iron(II,III) oxide

Iron(II,III) oxide

Iron(II,III) oxide (pronunciation: /ˈaɪərn tuː, θriː ˈɒksaɪd/), also known as ferrous ferric oxide, magnetite, or Fe3O4, is a type of chemical compound that is a combination of iron and oxygen. It is one of the three main oxides of iron, and is naturally magnetic. It is a black, crystalline solid that is insoluble in water.

Etymology

The term "Iron(II,III) oxide" is derived from the chemical nomenclature used to denote the presence of both iron(II) and iron(III) ions in the compound. The term "magnetite" comes from the region of Magnesia in Greece, where deposits of the mineral were first found.

Chemical Properties

Iron(II,III) oxide is a ferrimagnetic material, meaning it is attracted to a magnet but does not retain its magnetism when the external magnetic field is removed. It is also a conductor of electricity.

Uses

Iron(II,III) oxide is used in various applications, including the production of ferrofluids, magnetic recording media, and in the catalysis of certain chemical reactions. It is also used in the manufacture of ferrite magnets and in the biomedical field for MRI contrast enhancement.

Related Terms

• Iron
• Oxygen
• Chemical compound
• Oxides of iron
• Ferrimagnetism
• Conductor (material)
• Ferrofluid
• Magnetic recording
• Catalysis
• Ferrite (magnet)
• Biomedicine
• Magnetic resonance imaging

External links

• Medical encyclopedia article on Iron(II,III) oxide
• Wikipedia's article - Iron(II,III) oxide

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