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AN9900-001 分析铁矿石中的主次成分
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2024-02-05
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铁矿石是钢铁生产企业的重要原材料,在整个钢铁冶炼过程中,铁矿石的成分分析非常重要。在过去的日常生产中,常采用湿化学分析方法,试样加工时往往采取碱熔后再进行溶解的方法,不同元素分析时还要采取过滤分离等繁杂手段以消除元素间干扰。用湿化学方法进行铁矿石分析,分析速度慢,溶解及分离过程中较易带来人为误差,不易进行大批量的分析。 X荧光光谱法具有分析速度快、样品制备相对简单、偶然误差小及分析精度高的特点,已广泛应用于各种原 材料的分析中,包括铁矿石的成分分析。但由于铁矿石 成分较为复杂,铁元素含量较高且变化范围较大,基体 效应较为明显,这些对X荧光分析造成不利影响。通常采用压片法直接进行铁矿石分析时,其
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