Iron (III) oxide (h)

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Description: iron oxide (III) - amphoteric oxide with a large predominance of basic properties. The red-brown color. Thermally stable up to high temperatures. Formed during the combustion of iron in air. It does not react with water. Slowly reacts with acids and alkalis.

Application: In the food industry is used as a food dye E172. In amateur rocketry used for catalyzing caramel fuel which has the combustion rate is 80% higher than conventional fuels. It is used as a raw material in the smelting of pig iron in the blast furnace process

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