小儿咳喘灵口服液中盐酸麻黄碱的含量测定
Assay of Ephedrine Hydrochloride in Xiao'er Kechuanling Oral Liquid
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摘要: 应用酸性染料比色法测定小儿咳喘灵口服液中盐酸麻黄碱的含量。样品用加碱蒸馏法提取。方法简便、准确。平均口收率为100.8%,RSD为0.56%.本法适用于该制剂的质量控制。Abstract: The content of ephedrine hydrochloride in Xiao'er Kechuanling oral liquid was determined by the colorimetry of acidic dye. The sample was extracted with stream-disvillation.The method is simple and accurate. The average recovery was 100.8% (RSD = 0.5%, n