The method of determination of copper in light oil by air-acetylene flame atomic absorption was discussed in this paper, and the extraction and enrichment of copper in light oil was reviewed.
探讨了用原子吸收空气-乙炔火焰连续测定轻质油中痕量铜的方法，并考察了轻质油中铜的萃取富集方法。
2
Trace cadmium in the calcium salt reagents was determined by flame atomic absorption spectrometry after separation and enrichment with sulfhydryl cotton.
采用巯基棉分离富集钙盐试剂中的痕量镉，用火焰原子吸收光谱法进行测定。
3
The recoveries of plumbum were determined in different enrichment conditions by flame atomic absorption spectrometry.