iron ore 64.5 Fe 什么意思
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iron ore 64.5 Fe 什么意思
iron ore 64.5 Fe 什么意思
iron ore 64.5 Fe 什么意思
铁矿石含铁量64.5%
【大部分的铁矿石都是氧化铁,譬如:三氧化二铁、四氧化三铁;但我们只计纯铁Fe的含量,减去氧O的含量,而以干基(铁矿石带水份,必须将铁矿焙热至105度摄氏,在无水状态测定纯铁的含量来计价】
iron ore 64.5 Fe 什么意思
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