After comparison,the accuracy and preci- sion of 2,10-dinitrogen feterphenanthrene sepectrophotometry method are better than that of atomic absorption spectrophotometry method.

• 用两种方法测定已知样,经比较1,10-二氮杂菲分光光度法比原子吸收分光光度法精密度更高、准确度更好。