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氧化鐵

今本(此為底本,未經審校)
文出維基大典

三氧化二鐵者,即鐵銹也,或曰氧化鐵。鐵遇大氣之二者,變而生此物也。 赤鐵礦乃此物。並三氧與二生之,式。此非官品

反應

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古今之煉鐵者,並三氧化二鐵與木炭,高温燒之,成鐵。式如下:

碳者還原鐵銹者,成鐵也。自為鐵氧化成二氧化碳。此氧化還原反應也。

左右反應率之參數

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