直读光谱仪分析不锈钢中氮  

Determination of Nitrogen in Stainless Steel by Direct Reading Spectrometry

作　　者：李政军[1] 张震坤[1] 刘健斌[1] 钟志光[1] 郑建国[1] 罗晓文 

机构地区：[1]广州出入境检验检疫局,广州市510623 [2]黄埔海关,广州市510730

出　　处：《光谱实验室》2005年第1期83-86,共4页Chinese Journal of Spectroscopy Laboratory

摘　　要：直读光谱分析不锈钢中氮含量 ,确定了氮的光谱分析线、最佳分析条件 ,分析样品的制备要求 ,共存元素的影响和氮校准曲线的拟合情况。本法具有良好的准确度和精密度 ,氮元素的分析检出限为6 .3μg/ g,检测范围为 0 .0 0 1%— 0 .4 2 %。The method for the determination of nitrogen in stainless steel by direct readin g spectrometry was developed.The analysis line of nitrogen and the operation con dition were optimized.The preparation method of sample element interference and the standard curve fitting of nitrogen were studied. The method is precise and a ccurate with the detection limit of 6.3μg/g,and the detection range of 0.001%— 0.42%.

关 键 词：分析条件 影响 元素 光谱分析 检出限 要求 制备 拟合 精密度 准确度 

分 类 号：O657[理学—分析化学]