In the analysis of alkali metals by atomic absorption spectrometry,the oxygen-bearing organic matter with high dissolvability affects the absorbance of alkali metals greatly.

• 原子吸收光谱法是目前对碱金属族各元素进行分析检测的主要方法之一,在检测的过程中若试样中存在水中溶解度较大的含氧有机物时,碱金属元素的吸光度将受到影响。