应用氢气碰撞反应气-电感耦合等离子体质谱仪同时分析不锈钢食具容器的8种重金属迁移量  

Detemination Of 8 Kinds Of Heavy Metal Elements In Stainless Steel Food Containers Of Migration By ICP-MS Using Hydrogen Collision Reaction Gas

作　　者：童俊[1] 陈美春[1] 

机构地区：[1]杭州市质量技术监督检测院

出　　处：《中国食品》2013年第18期60-63,共4页China Food

摘　　要：建立了应用氢气碰撞反应气-电感耦合等离子质谱技术测定不锈钢食具容器中9种重金属迁移量的新方法。利用氢气作为反应气的动态反应池（DRC）技术，达到去除质谱干扰的作用。在优化的实验条件下，不锈钢食具容器的Pb、Cd、Ni、Cr、As、A1、Cu、Zn8种可迁移重金属。各重金属元素的标准曲线的线性关系良好，相关系数在0．9992—1．0000，检出限在0043ug／L-1．43μg／L，加标回收率在85．1％-105，1％，RSD在2．8％-7．6％，表明该方法具有良好的精密度和准确性，适用于不锈钢食具容器种可迁移重金属的检测分析。The new method was established for the detemaination of 8 kinds of heavy metal of stainless steel food containers By ICP-MS Using Hydrogen Collision Reaction Gas. Dynamic reaction cell using hydrogen as the reaction gas （DRC） technology; to remove the spectral interference effea. Under the optimized experimental conditions, stainless steel Pb, Cd, Ni, Cr, As, A1, Cu, Zn 8 kinds of heavy metals, linear relationship of standard curve of each heavy metal elements of the good, The linear correlation coeffidents for the heavy metals were between 0.99992 and 1.O000,indicating a good linear correlation. The determination limits is between 0.043 ug/L and 1.43 μg/L, recovery adding standard between 85.1% and 105.1%, RSD is between 2.8% and 7.6%. These parameters revealed that the method has good precision and accuracywhich could be applied to the heavy metals detection in stainl＇s steel food containers for detecting heavy metals analysis.

关 键 词：氢气碰撞反应气 电感耦合等离子体质谱仪 不锈钢食具容器 重金属迁移量 

分 类 号：O313.4[理学—一般力学与力学基础]