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采用比色法测定咳喘感冒片中对乙酰氨基酚的含量。此法具有简便、快速、重现性好等优点,克服了重氮化法操作繁琐、不易判断终点等缺点。
Determination of paracetamol in Kechuan Paste by colorimetric method. This method has the advantages of simple, rapid, good reproducibility, overcoming the inconvenient operation of diazotization method, difficult to judge the end point and other shortcomings.