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本文采用双波长一元线性回归分光光度法同时测定了复方磺胺甲噁唑片中SMZ和TMP的含量,分析结果表明:平均回收率SMZ为99.9%,TMP为100.2%,变异系数SMZ为0.25%,TMP为0.76%。
In this paper, simultaneous determination of SMZ and TMP in compound sulfamethoxazole tablets by dual wavelength linear regression spectrophotometry showed that the average recovery was 99.9% for SMZ, 100.2% for TMP and 0.25% for SMZ, TMP is 0.76%.