乙酰丙酮衍生-高效液相色谱法测定食品用洗涤剂中的甲醛  

Determination of Formaldehyde in Food Detergents by Acetylacetone Derivatization in High Performance Liquid Chromatography Method

作　　者：李窕妍 李俊毅 林樱 吴嫡 庄濠宇 LI Tiaoyan;LI Junyi;LIN Ying;WU Di;ZHUANG Haoyu(Guangdong Province Jieyang City Quality Measurement Supervision and Testing Institute,Jieyang 522000,China;Jieyang Institute of Food Inspection,Jieyang 522000,China;Jieyang Customs,Shantou Customs District P.R China,Jieyang 522000,China)

机构地区：[1]广东省揭阳市质量计量监督检测所,广东揭阳522000 [2]揭阳市食品检验所,广东揭阳522000 [3]中华人民共和国汕头海关所属揭阳海关,广东揭阳522000

出　　处：《食品安全导刊》2024年第19期66-68,72,共4页China Food Safety Magazine

基　　金：广东省市场监督管理局科技项目(2020CZ10)。

摘　　要：目的:建立乙酰丙酮衍生化高效液相色谱法-二极管阵列检测器测定食品用洗涤剂中甲醛含量的方法。方法:样品使用乙酰丙酮试剂衍生过滤后,使用筛选优化后的流动相体系V_(乙腈)∶V_(水)=55∶45和检测波长405 nm进行液相色谱分析。结果:方法的线性关系良好(R^(2)=0.9997),相对标准偏差为0.05%~2.88%,回收率为84.0%~94.4%。结论:该方法具有实用性强、稳定性好、回收率高以及快捷简便等优点,适应于食品用洗涤剂中甲醛含量的测定。Objective:To establish a method for the determination of formaldehyde in food detergent by acetylacetone-derived high performance liquid chromatography with diode array detector.Method:The samples were filtered by acetylacetone reagent and then analyzed by liquid chromatography with the optimized mobile phase system V_(acetonitrile)∶V_(water)=55∶45 and detection wavelength 405 nm.Result:The linear relationship was good(R^(2)=0.9997),the relative standard deviations were 0.05%to 2.88%,and the recoveries were 84.0%to 94.4%.Conclusion:The method has the advantages of strong practicability,good stability,high recovery rate,fast and simple,and is suitable for the determination of formaldehyde content in food detergent.

关 键 词：乙酰丙酮 高效液相色谱 二极管阵列检测器 甲醛 食品用洗涤剂 

分 类 号：O657.72[理学—分析化学] TQ649.7[理学—化学]