Luo Meizhong, Bifang Li, HE Xiao-qing
Abstract
研究了以高效液相色谱-二极管阵列法测定豆制品中的碱性嫩黄O含量的检测方法.采用Hypersil ODS-C18色谱柱,以4:6(V/V)的甲醇-0.5%乙酸铵溶液作流动相,流速1.0mL/min,用二极管阵列检测器于436nm波长下进行检测,并以保留时间和三维光谱图相似性系数进行定性.方法线性范围为0.25～50μg/mL(r=0.9999),在5.0g样品中加入250μg标准物质的回收率及相对标准偏差(RSD)分别为95.0%(n=6)和1.5%(n=6).
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研究了以高效液相色谱-二极管阵列法测定豆制品中的碱性嫩黄O含量的检测方法.采用Hypersil ODS-C18色谱柱,以4:6(V/V)的甲醇-0.5%乙酸铵溶液作流动相,流速1.0mL/min,用二极管阵列检测器于436nm波长下进行检测,并以保留时间和三维光谱图相似性系数进行定性.方法线性范围为0.25～50μg/mL(r=0.9999),在5.0g样品中加入250μg标准物质的回收率及相对标准偏差(RSD)分别为95.0%(n=6)和1.5%(n=6).
Key concepts: Chromatography detector, Legume, Detector, High-performance liquid chromatography, Chromatography, Chemistry, Materials science, Analytical Chemistry (journal)