Assay of Ephedrine Hydrochloride in Xiao'er Kechuanling Oral Liquid
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Graphical Abstract
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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
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