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采用紫外光光度法测定乳剂中吡罗昔康的含量，方法简便，结果准确，线性良好（r=0．9997）。本法平均回收率为100.1％，RSD为0．22％，可作为本制剂的质量控制方法。
The content of piroxicam in emulsion was determined by UV spectrophotometry. The method was simple, accurate and linear (r = 0.9997). The average recovery of this method was 100.1%, RSD 0.22%, can be used as the preparation of quality control methods.