black iron oxide magnetite |
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| navigate by keyword : black catalyst chemical compound diiron ferric ferrimagnetic ferroso ferrous iii iron isolated lodestone magnetite mars material metal natural non nutritional oxide pigment powder rust substance supplement toxic white x28 x29 |
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| Black iron oxide, magnetite, is used as black pigment, a catalyst, and used by the pharmaceutical industry in a preparation against anemia. Fe3O4 |
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