Iran Chemically manufactures over 200 types of inorganic chemicals at the laboratory and industrial levelsMore+
Iran chemistry | Production of pure iron oxide
Iron oxide is a chemical compound formed of iron and oxygen. A total of about 16 types of iron oxide and ox hydroxide are present. This oxide plays an important role in many natural biological and geological processes and is widely used by man as iron ore, pigment, catalyst in thermite. In this method, iron sulfate dissolves with less than 3 ph. in water. And added to the sodium hydroxide solution and airborne. With gradual increase of PH to 7, iron yellow hydroxide is formed. The filtered solution and filter cake containing iron hydroxide are removed from the solution and transferred to the cure for drying and grinding. The iron hydroxide is immediately converted to vapor in ambient air to a stable iron oxide. The resulting product will gradually turn into orange, red, brown and black as the temperature rises. .
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