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本文采用紫外分光光度法测定湿疹软膏中水杨酸的含量,操作简单。快速。结果准确,测定波长为297±1nm,其平均回收率为99.85％,RSD为0.36%。
In this paper, UV spectrophotometry salicylic acid ointment ointment content, simple operation. fast. The result was accurate. The measured wavelength was 297 ± 1 nm. The average recovery was 99.85% and the RSD was 0.36%.