微波消解-电感耦合等离子体质谱法测定杜阮凉瓜中20种元素的含量  

Determination of 20 Elements in Duruan Balsam Pear by Microwave Digestion Inductively Coupled Plasma Mass Spectrometry

作　　者：郑丽斯 颜立毅 ZHENG Lisi;YAN Liyi(Jiangmen Food Inspection Institute,Jiangmen 529000,China)

机构地区：[1]江门市食品检验所,广东江门529000

出　　处：《食品安全导刊》2024年第1期100-103,共4页China Food Safety Magazine

摘　　要：本文建立了测定杜阮凉瓜中20种元素含量的电感耦合等离子体质谱法。样品经过微波消解后上机测定,检测方法检出限、回收率和相对标准偏差。结果表明,各元素线性关系良好,相关系数均≥0.9980,检出限在0.0018~2.1540μg·L^(-1),回收率在95.6%~106.3%,相对标准偏差在0.55%~2.50%。该方法简便快捷、灵敏精确,适用于杜阮凉瓜中20种元素的测定。This article establishes an inductively coupled plasma mass spectrometry method for determining the content of 20 elements in Duruan balsam pear.The sample was subjected to microwave digestion and then subjected to machine testing.The detection limit,recovery rate,and relative standard deviation of the detection method were determined.The results show that each element has good linear relationships,with correlation coefficients≥0.9980 and detection limits ranging from 0.0018μg·L^(-1)to 2.1540μg·L^(-1),recovery rate between 95.6%and 106.3%,relative standard deviation between 0.55%and 2.50%.This method is simple,fast,sensitive,and accurate,and is suitable for the determination of 20 elements in Duruan balsam pear.

关 键 词：微波消解 电感耦合等离子体质谱法 杜阮凉瓜 

分 类 号：TS255.7[轻工技术与工程—农产品加工及贮藏工程] O657.63[轻工技术与工程—食品科学与工程]