Results The linear relationship between the concentration and absorption value were established in the rang of 0 ～ mg/mL for aspirin and in the range of 0 008～0 0 mg/mL for codeine phosphate.
Results The linear relationship between the concentration and absorption value were established in the rang of 0 ～ mg/mL for aspirin and in the range of 0 008～0 0 mg/mL for codeine phosphate.
果阿司匹林0 ～ mg/mL呈线性 ,平均回收率为 0 0 % (RSD =0 7% ,n =9) ;