AAC  >> Vol. 4 No. 2 (May 2014)

    电感耦合等离子体原子发射光谱法测定铌铁中的三元素
    Determine Three Elements in Ferroniobium with ICP-AES Method

  • 全文下载: PDF(348KB) HTML    PP.20-25   DOI: 10.12677/AAC.2014.42004  
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作者:  

孙秀萍,张瑜龙,吴庆梅,余 海,叶 翠,皮宁宁:重庆市环境监测中心,重庆

关键词:
ICP-AES铌铁测定三元素ICP-AES Ferroniobium Determine Three Elements

摘要:

研究了用电感耦合等离子体原子发射光谱法(ICP-AES)同时测定铌铁中三元素铜、铝、磷的分析方法。试样以硝酸、氢氟酸分解,加入硫酸加热至冒烟,再加入柠檬酸溶液,定容。然后在最佳谱线和最佳工作条件下测定。试验结果表明,该方法简便、快速、灵敏,检测限在0.004%至0.009%之间,线性范围较宽,相对标准偏差均较小,回收率在96%~104%之间。

A method for the determination of three elements—copper, aluminum and phosphorus in ferroniobium by inductively coupled plasma atomic emission spectrometry (ICP-AES) was studied. In the experiment, the sample is decomposed by nitric acid and hydrofluoric acid. Sulphuric acid was added to heat for smoking. Then citric acid was added. After constant volume, the sample was determined under optimal spectral lines and proper working conditions. The determined result shows that this method is simple, rapid and sensitive, with the detection limit between 0.004% and 0.009%, and the linear range is wide. The deviations were less than that of the standard deviations. Recovery rate was between 96% - 104%.

文章引用:
孙秀萍, 张瑜龙, 吴庆梅, 余海, 叶翠, 皮宁宁. 电感耦合等离子体原子发射光谱法测定铌铁中的三元素 [J]. 分析化学进展, 2014, 4(2): 20-25. http://dx.doi.org/10.12677/AAC.2014.42004

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