氧化铁

Min order quantity: 20 Tons Supply Ability :2000 Tons per month Port: Main Port in China Payment Terms: L/C,T/T, West Union, Paypal Appearance: powder CAS NO.: 1317-61-9 Color: Black, Brown, Red, Yellow and Green Place of Origin: China(mainland) Brand Name: CNWELCOM Specifications: Iron Oxide Red (110,130,190,H101 (1*), H102(2*)), Iron Oxide Black (722,724,726), Iron Oxide Brown (510,520,530) , Iron Oxide Green(835,5605), Iron Oxide Yellow (313,310). Category: chemicals, pigments& paintings Packaging Detail: 25kg/bag. Delivery Detail: within 15 days after receiving the deposit Physical index: Molecular formula Fe2O3 Molar mass 159.69 g/mol Appearance red-brown solid Odor odorless Density 5.242 g/cm3, solid Melting point (decomposes) 1,566 °C(2,851 °F;1,839 K) Solubility in water insoluble Std molar entropy So298 90 J•mol−1•K−1 Std enthalpy of formation ΔfHo298 −826 kJ•mol−1 Description: Iron(III) oxide is the inorganic compound with the formula Fe2O3. It is one of the three main oxides of iron, the other two being iron(II) oxide (FeO), which is rare, and iron(II,III) oxide (Fe3O4), which also occurs naturally as the mineral magnetite. As the mineral known as hematite, Fe2O3 is the main source of iron for the steel industry. Fe2O3 is ferromagnetic, dark red, and readily attacked by acids. Iron(III) oxide is often called rust, and to some extent this label is useful, because rust shares several properties and has a similar composition. To a chemist, rust is considered an ill-defined material, described as hydrated ferric oxide. Application: 1.Iron industry. The overwhelming application of iron(III) oxide is as the feedstock of the steel and iron industries, e.g. the production of iron, steel, and many alloys. 2.Polishing. Used to put the final polish on metallic jewelry and lenses, and historically as a cosmetic. Rouge is used in optics fabrication and by jewelers for the superior finish it can produce. 3.Pigment. Iron(III) oxide is also used as a pigment. Some of them, are approved for use in cosmetics. Iron oxides are used as pigments in dental composites alongside titanium oxides. 4.Magnetic recording. Iron(III) oxide was commonly used in all types of magnetic storage and recording media, including magnetic disks (for data storage) and magnetic tape . 5.Photocatalyst. α-Fe2O3 has been studied as a photoanode for the water-splitting reaction for over 25 years. 6.Medicine. A mixture of zinc oxide with about 0.5% iron(III) oxide is called calamine, which is the active ingredient of calamine lotion.



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