等离子发射光谱法测定六硼化镧中铁、钙、镁、铬、锰、铜

The Plasma Emission Spectroscopy Determines Fe,Ca,Mg,Cr,Mn and Cu in LaB_6

采用等离子发射光谱法测定六硼化镧中铁、钙、镁、铬、锰、铜，各元素测定范围：0．0001％～0．10％，方法回收率在91．0％～110％；相对偏差小于10％。方法准确度高，精密度好，结果令人满意。

It uses the plasma emission spectrometry to determine Fe, Ca, Mg, Cr, Mn and Cu in LaB6 in the scope of the elements： 0.000 1% - 0.10%. The recovery is 91.0% - 110% ; The relative standard deviation is less than 10%. The method is of high accuracy, precision, and the results have been satisfactory.