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ICP-AES内标法测定钢铁及其合金样品中的化学成分

Chemical Analysis and Meterage(2012)

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Abstract
建立了内标法测定钢铁样品中化学成分的ICP–OES分析方法。利用铟元素作为内标物质,消除了铁基体元素对被测元素的干扰,减少了废气、废液的产生。钢铁样品中16种被测元素的检测范围在0.001%~20.00%之间,检出限为0.001~0.030μg/mL,回收率为97%~110%。该方法减少了高纯物质的使用。
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Key words
ICP–OES,In,chemical component,iron steel
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