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介绍了偏最小二乘法在分光光度法中同时测定复方药物的原理。用该法对克感敏片中三种成分非那西汀、氨基比林和咖啡因的含量进行了同时测定,所得平均回收率为100.2±0.4%,99.6±0.6%和100.3±0.7%(置信度为95%)。
The principle of partial least square method for simultaneous determination of compound drugs in spectrophotometry is introduced. The method was applied to determine the contents of three components, phenacetin, aminopyrine and caffeine, in Keganmin tablets with the average recoveries of 100.2 ± 0.4%, 99.6 ± 0.6% and 100.3 ± 0.7% ( Confidence 95%).