A method for the determination of ferrum content in cobalt based alloy dust by Air-C 2 H 2 flame atomic absorption spectrophotometry was set up.

• 建立了一种用空气-乙炔火焰原子吸收法测定钴基合金喷粉中铁含量的分析方法,探讨了硅对铁测定的干扰机理,对用氯化钙作为硅干扰铁测定的释放剂进行了试验。