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首页> 外文期刊>Journal of liquid chromatography and related technologies >The Quantitative Determinations of Glycyrrhizic Acid, Glycyrrhetinic Acid, Morphine, and Sodium Benzoate in Compound Liquorice Tablets by HPCE
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The Quantitative Determinations of Glycyrrhizic Acid, Glycyrrhetinic Acid, Morphine, and Sodium Benzoate in Compound Liquorice Tablets by HPCE

机译：高效液相色谱法定量测定复方甘草片中甘草酸，甘草次酸，吗啡和苯甲酸钠的含量

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摘要

Capillary zone electrophoresis (CZE) was used to quantitatively determine the contents of glycyrrhizic acid, glycyrrhetinic acid, morphine, and sodium benzoate in compound liquorice tablets. The detection wavelength was 228 nm and 14kV voltage was applied, and the 50mM sodium borate was used as the background electrolyte, in which hydrochlorothiazide served as an internal standard and the temperature was 24-25°C. There were good linear relations between the concentrations and the peak-area ratios of glycyrrhizic acid, glycyrrhetinic acid, morphine, and sodium benzoate, respectively. The average recoveries of glycyrrhizic acid, glycyrrhetinic acid, morphine, and sodium benzoate were 98.2%, 97.3%, 97.1%, and 97.5%, respectively. The method was simple, quick, and accurate.
机译：毛细管区带电泳（CZE）用于定量测定复方甘草片中甘草酸，甘草次酸，吗啡和苯甲酸钠的含量。检测波长为228nm，施加14kV电压，以50mM硼酸钠作为背景电解质，其中氢氯噻嗪为内标，温度为24-25℃。甘草酸，甘草次酸，吗啡和苯甲酸钠的浓度与峰面积比之间存在良好的线性关系。甘草酸，甘草次酸，吗啡和苯甲酸钠的平均回收率分别为98.2％，97.3％，97.1％和97.5％。该方法简单，快速，准确。

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