在氯霉素片含量测定中 ,由于受赋形剂的影响 ,需将样品溶解过滤后方可测定。笔者发现 ,按照《中国药典》方法将样品溶解、过滤、稀释后所测含量偏低。为此 ,我们采用溶解、稀释、过滤后再行测定的方法及药典方法分别对两个厂家的 5批抽验样品进行含量测定。结果表明 ,本文所用 Determination of chloramphenicol tablets, due to the impact of excipients, the sample dissolved before filtration before determination. I found that, in accordance with the “Chinese Pharmacopoeia” method will sample dissolution, filtration, diluted content measured low. To this end, we use dissolution, dilution, filtration and then determine the method and pharmacopoeia were tested on two batches of five manufacturers to determine the content of samples. The results show that used in this article