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硼对电感耦合等离子体激发温度的影响

     

摘要

The influence of boron existing in sample solution on the excitation temperature of the ICP was studied in the present paper. Method of Boltzmann plot of Fe lines were used for the excitation temperature determination. Slop of the plot was obtained from linearity regression. Experimental results showed that excitation temperature was varied with the reference values of lg(gf), and boron concentration has no effect on the temperature. The conclusion is quite different from Ref[5] which was earlier reported by Broekaert.%研究了制样时加入的硼酸或硼酸盐对感耦等离子体原子发射光谱的基本参数--等离子体激发温度的影响.测温实验用Fe线为温标线,采用多谱线Boltzmann作图法测量含有不同四硼酸钠浓度的溶液进样时的等离子体激发温度.测定结果表明,采用不同lg(gf)文献值计算所得的激发温度有所差距,但是同一lg(gf)文献值下测得的不同硼浓度的激发温度却是一致的,因此溶液中硼的浓度不改变等离子体激发温度,对激发性能和分析结果没有显著的影响.

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