顶空气相色谱法测定小儿复方麻黄碱桔梗糖浆中薄荷脑的含量

China Pharmacist(2014)

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Abstract
目的:建立顶空气相色谱法测定小儿复方麻黄碱桔梗糖浆中薄荷脑的含量。方法:采用Agilent DB-WAX毛细管柱(30 m ×0.53 mm,1.0μm),FID检测器;进样口温度为:200℃,柱温:150℃,检测器温度:250℃;载气(氮气)流量:2.0 ml· min-1;分流比:1∶1;顶空平衡温度:80℃,平衡时间:30 min,进样体积:1 ml。结果:在该色谱条件下,薄荷脑在2.09~20.92μg ·ml-1的浓度范围内与峰面积呈良好的线性关系(r=0.9991);平均加样回收率为98.0%,RSD为1.8%(n=6)。结论:该方法简便、准确,重复性好,可用于测定小儿复方麻黄碱桔梗糖浆中薄荷脑的含量测定。
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HS-GC,Xiao’ er Fufang Mahuangjian Jiegeng syrups,Menthol
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