电感耦合等离子体发射光谱法测定碳化硼标准物质中的铁、硅、铝

Yanling LI,Chaoyang LI,Kejian JI,Ying LI,Yanli GAO,Xiaogang ZHAO,Yuanjun Liu

Chemical Analysis and Meterage（2018）

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Abstract

建立了电感耦合等离子体发射光谱法测定碳化硼标准物质中铁、硅、铝3种微量元素的含量.以欧盟碳化硼标准物质(ERM-ED102)作为检测对象,采用高压微波消解法处理样品.各元素在配制的浓度范围内线性关系良好,相关系数均大于0.999,铁、硅、铝3种元素的检出限分别为0.006,0.05,0.07μg/mL.测定结果的相对标准偏差小于2.5％(n=6),样品加标回收率为97.2％～102.3％.该方法简单、快速,准确度高,可满足分析要求.

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