A method has been developed for the simultaneous determination of 12 trace elements in decoction solution of Chinese herbal medicine by ICP AES after pretreatment of the solution with HNO 3 H 2O 2. This method had low and stable blank values.

• 本文采用 HNO3- H2 O2 对中药方剂煎煮液进行处理 ,拟定了电感耦合等离子体原子发射光谱法同时测定试样中 1 2个微量元素的方法 ,选择了仪器的最佳工作条件 ,考察了基本效应的影响。