- Iron oxides (FeO, Fe3O4, and Fe2O3) are ores used for iron production (see bloomery and blast furnace). They are also used as a catalyst in the Space Shuttle Solid Rocket Boosters,[16] and in the production of magnetic storage media in computers. They are often mixed with other compounds, and retain their magnetic properties in solution.
- Iron(II) acetate (Fe(CH3CO2)2 (ferrous acetate) is used as a mordant in the dyeing of cloth and leather, and as a wood preservative.
- Iron(III) ammonium citrate (C6H5+4yFexNyO7) is used in blueprints.
- Iron(III) arsenate (FeAsO4) is used in insecticides.
- Iron(III) chloride (FeCl3) is used in water purification and sewage treatment, in the dyeing of cloth, as a colouring agent in paints, as an additive in animal feed, and as an etchant for copper in the manufacture of printed circuit boards.
- Iron(III) chromate (Fe2(CrO4)3) is a yellow pigment for paints and ceramics.
- Iron(III) hydroxide (Fe(OH)3) is used as a brown pigment for rubber and in water purification systems.
- Iron(III) phosphate (FePO4) is used in fertilizers and as an additive in human and animal food.
- Iron(II) gluconate (Fe(C6H11O7)2) is used as a dietary supplement in iron pills.
- Iron(II) oxalate (FeC2O4) is used as yellow pigment for paints, plastics, glass and ceramics, and in photography.
- Iron(II) sulfate (FeSO4) is used in water purification and sewage treatment systems, as a catalyst in the production of ammonia, as an ingredient in fertilizer, herbicide, and moss killer, as an additive in animal feed, in wood preservative, and as an additive to flour to increase nutritional iron levels. Experimental iron fertilization of areas of the ocean using iron(II) sulfate has proven successful in increasing plankton growth.[17][18][19]
Monday, April 19, 2010
Iron compounds
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