Abstract： |
Synthesis of olive alpha-ferric oxide nanometer granules is carried out by taking ferric nitrate, ethylene and ammonia water as raw materials, preparing ammonia water-water mixed solution containing ferric nitrate and ethylene, laying it into reactive kettle, heating at 150¡«200 degrees C for 10¡«48hrs, washing by deionized water and anhydrous alcohol, putting it into loft drier and drying to obtain final product. It is simple and convenient. |
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