ICP experiment conditions for pretreating samples with magnesium nitrate dry cineration were studied.Using hydride generation-ICP/AES method, we could determine the microarsenic in crude oil.

• 对硝酸镁干法灰化前处理样品条件及ICP仪实验条件进行了优化，建立了氢化物发生与发射光谱联用技术对原油中的微量砷进行测定的方法。