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高效液相色谱法测定烟草中的维生素E 被引量:1

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摘要 本文建立了烟草中维生素E含量的测定方法。样品用饱和抗坏血酸乙醇溶液萃取,液相色谱检测;色谱柱为Nova-PakC18(150mm×4.6mm,5μm),流动相为98%的甲醇溶液,等度洗脱,FLD检测器检测(激发波长298nm,发射波长325nm),流速1.0mL/min;方法检出限为0.03mg/g,日内精密度RSD为5.16%,日间精密度RSD为5.58%,回收率范围在92.7%~114.7%。
作者 马戎
出处 《产业与科技论坛》 2013年第4期99-101,共3页 Industrial & Science Tribune
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