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Study on the determination of cerium in low alloy steel by spark-OES
Author(s): 
Pages: 72-75
Year: Issue:  2
Journal: Bao-Steel Technology

Keyword:  火花源原子发射光谱检出限显微结构;
Abstract: 探讨了火花源原子发射光谱仪在低合金钢中铈的分析应用,对铈的分析谱线和铁内标谱线的选择进行了讨论,同时采用干扰系数法消除干扰元素Cr的干扰,形成了低合金钢中铈的分析方法,并对方法的检出限和分析的精密度准确度进行了分析试验.结果表明,采用此方法可以分析铈的下线到0.002%.铈的显微结构表明,在低合金钢中铈主要与氧或硫形成夹杂物,并且随着铈含量的增加,夹杂物的数量也相应增加.
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