| 亲水作用色谱-串联质谱法同时测定液态奶中三聚氰酸和三聚氰胺 |
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| 引用本文： | 卢跃鹏,方慧文,胡筱静,江小明,李君,杨永,段建坤,骆丹.亲水作用色谱-串联质谱法同时测定液态奶中三聚氰酸和三聚氰胺[J].分析试验室,2010,29(11). |
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| 作者姓名： | 卢跃鹏 方慧文 胡筱静 江小明 李君 杨永 段建坤 骆丹 |
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| 作者单位： | 1. 国家饮料及粮油制品质量监督检验中心(武汉产品质量监督检验所),武汉,430043
2. 岛津国际贸易(上海)有限公司上海分析中心,上海,200052 |
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| 摘 要： | 建立了亲水作用色谱-串联质谱同时测定液态奶中三聚氰酸和三聚氰胺的方法。液态奶样品经体积分数2.5%甲酸溶液提取、离心后乙腈稀释,亲水作用色谱柱分离,电喷雾串联四极杆质谱检测器检测,分别在负、正离子模式下测定三聚氰酸和三聚氰胺。三聚氰酸和三聚氰胺分别在0.5～100μg/L、0.1～50μg/L范围内线性关系良好。在0.25～15mg/kg、0.1～7.5mg/kg添加水平范围内,三聚氰酸平均回收率为84.5%～98.0%(RSD为2.1%～6.1%),三聚氰胺平均回收率为85.5%～88.9%(RSD为3.2～5.8%)。三聚氰酸、三聚氰胺定量限分别为0.25mg/kg、0.1mg/kg。
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| 关 键 词： | 亲水作用色谱 质谱 三聚氰酸 三聚氰胺 |
Simultaneous determination of cyanuric acid and melamine in liquid milk by hydrophilic interaction chromatography combined with tandem mass spectrometry |
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| LU Yue-peng,FANG Hui-wen,HU Xiao-jing,JIANG Xiao-ming,LI Jun,YANG Yong,DUAN Jian-kun,LUO Dan.Simultaneous determination of cyanuric acid and melamine in liquid milk by hydrophilic interaction chromatography combined with tandem mass spectrometry[J].Chinese Journal of Analysis Laboratory,2010,29(11). |
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| Authors: | LU Yue-peng FANG Hui-wen HU Xiao-jing JIANG Xiao-ming LI Jun YANG Yong DUAN Jian-kun LUO Dan |
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| Institution: | LU Yue-peng1,FANG Hui-wen1,HU Xiao-jing1,JIANG Xiao-ming1,LI Jun1,YANG Yong1,DUAN Jian-kun1 and LUO Dan2 (1.National Center for Quality Supervision and Test of Beverages and Grain and Oil Products(Wuhan Product Quality Supervision and Inspection Institute),Wuhau 430043,2.Department of Analytical Instruments,Shimadzu International Trading (Shanghai)Co.,Ltd.,Shanghai 200052) |
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| Abstract: | A method using hydrophilic interaction chromatography combined with tandem mass spectrum was established for the determination of cyanuric acid and melamine in liquid milk.Liquid milk samples were extracted with 2.5% aqueous formic acid and centrifuged followed by dilution with acetonitrile.Both compounds were analysed with hydrophilic interaction chromatography.Electrospray ionization was used in both the negative ion(cyanuric acid) and positive ion(melamine) modes.The linear range of cyanuric acid and mel... |
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| Keywords: | Hydrophilic interaction chromatography Mass spectrometry Cyanuric acid Melamine |
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