用ICP-AES内标法测定润滑油中磷含量

Using ICP-AES internal standardization method to determine the phosphorus content in lubricating oil

研究了用等离子发射光谱仪内标法测定润滑油中磷含量的分析方法。通过选择合适的内标物及实验条件,方法的标准偏差为2%,回收率为97%～104%,可以用于测定润滑油中的磷含量。

The analysis method of determine the phosphorus content in lubricating oil by plasma emission spectrometer internal standardization method was studied.By selection suitable experimental conditions and internal standard substance,the standard deviation and recovery of this method can reached 2% and 97%~104% respectively.This method can be used to determine the phosphorus content in lubricating oil.