ICP-AES中三十种常见元素间的光谱干扰

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一、前言在ICP-AES分析中,元素光谱线之间的干扰是相当严重的。人们总是希望能够顺利地判断和排除第二元素或第三元素的光谱干扰,以选择适合的分析线。在实际工作中,R.K.Winge等人的元素杰出线表、MIT光谱表、NBS光谱表、P.W.J.M.Boumans光谱表、M.L.Parsons光谱表及A.N.Zaidel光谱表都只具有参考价值。由于ICP光源的特殊激发机理,使一些谱线被加强,而使另一些难以激发的谱线被激发出来,因此,元素在ICP中的光谱线比在电弧、火花中的光谱线多。在ICP-AES分析应用中,为了 I. INTRODUCTION In ICP-AES analysis, the interference between elemental spectral lines is quite serious. People always hope to be able to successfully determine and exclude the second element or the third element of the spectral interference to select the appropriate analysis of the line. In practical work, R.K.Winge et al.’s Elements Outstanding Line Chart, MIT Spectroscopy, NBS Spectroscopy, P.W.J.M.Boumans Spectroscopy, M.L.Parsons Spectroscopy and A.N.Zaidel Spectroscopy are only of reference value. Due to the special excitation mechanism of ICP light source, some of the lines are strengthened and some other hard to excite lines are excited. Therefore, the spectral line of the element in the ICP is more than that in the arc and the spark. In ICP-AES analysis applications, in order to
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