超高效液相色谱串联质谱法测定餐饮具中烷基苯磺酸钠类阴离子表面活性剂残留量的研究  

Study on Determination of Sodium Alkyl Benzene Sulfonate Anionic Surfactant Residue in Tableware by Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry

作　　者：王清燕 WANG Qingyan(Quanzhou Product Quality Inspection Institute,Quanzhou 362000,China)

机构地区：[1]泉州市产品质量检验所,福建泉州362000

出　　处：《食品安全导刊》2023年第17期122-125,共4页China Food Safety Magazine

摘　　要：目的:采用超高效液相色谱串联三重四极杆质谱技术建立餐(饮)具中烷基苯磺酸钠类阴离子表面活性剂残留量的分析方法。方法:对色谱质谱条件进行优化后,通过加标回收实验、实际样品的测定等方式验证方法的精密度和准确度。结果:烷基苯磺酸钠阴离子表面活性剂在20~1000μg·L^(-1)呈良好的线性关系(r>0.999),检出限为2.1μg·L^(-1)。结论:加标回收率与实验室内变异系数均满足检测要求。Objective:To establish a method for the determination of sodium alkyl benzene sulfonate anionic surfactants in food and beverage by ultra high performance liquid chromatography with triple quadrupole mass spectrometry.Method:After the conditions of chromatographic mass spectrometry were optimized,the precision and accuracy of the method were verified by standard recovery experiment and actual sample determination.Result:The anionic surfactants of sodium alkyl benzene sulfonate showed a good linear relationship(r>0.999)in the range of 20~1000μg·L^(-1),and the detection limit was 2.1μg·L^(-1).Conclusion:The recovery rate of added standard and the coefficient of variation in laboratory can meet the detection requirements.

关 键 词：烷基苯磺酸钠 阴离子表面活性剂 高效液相色谱串联质谱法 餐(饮)具 

分 类 号：O657.63[理学—分析化学] TS972.23[理学—化学]