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本实验采用导数光谱法,直接测定扑热息痛和双氯灭痛的含量,消除了附加成分对测定含量的干扰.回收率为100.0%.导数光谱法简便,快速,测定误差小,结果满意.
In this experiment, direct and indirect determination of paracetamol and diclofenac were performed by using the derivative spectrometry method, and the interference of the additional constituents was eliminated. The recovery was 100.0%. The derivative spectrophotometry was simple and rapid, the determination error was small and the result was satisfactory.