Trace iron,copper and mangganse in thiofide DM,NOBS and CBS have been determined by high temperature carbonization atomic absorption spectrophotometry.

• 用高温灰化原子吸收光谱法测定橡胶硫化促进剂DM(二硫化二苯骈噻唑)、NOBS(N-氧二乙撑-2苯骈噻唑次磺酰胺)和CBS(N-环己基-2-苯骈噻唑磺酰胺)中微量铁、铜和锰的含量。