石墨炉原子吸收法测定食品接触材料用胶粘剂中可溶性钡、镉、铬、铅  

Determination of soluble Ba,Cd,Cr and Pb in adhesive for food contact materials by graphite furnace atomic absorption spectrometry

作　　者：张亦红[1] 高亦军[2] 刘爽[2] 岳明祥[2] 刘飞[1] 李雪琴[2] 刘芳[1] 刘中文[1] 陈风春[1] 

机构地区：[1]军事医学科学院卫生学环境医学研究所,天津300050 [2]天津市产品质量监督检验技术研究院,天津300000

出　　处：《中国卫生检验杂志》2009年第11期2473-2474,2495,共3页Chinese Journal of Health Laboratory Technology

基　　金：国家科技部质检公益专项(10-103)

摘　　要：目的：建立食品接触材料用胶粘剂样品制备方法和可溶性重金属钡、镉、铬、铅检测方法。方法：试样经涂膜使用温度下干燥、冷冻硬化粉碎,4%乙酸浸泡处理,石墨炉原子吸收测定胶粘剂可溶性钡、镉、铬、铅含量。结果：取同一样品7份,连续7次测定结果4种重金属离子相对标准偏差在1.2%-9.5%。测定方法加标回收率80%-120%。结论：本方法操作简便,浸泡液中共存物质及各元素间对测定干扰较小,仪器测定方法准确,适用于食品接触材料用胶粘剂中可溶性铅、铬、镉、钡重金属的检测。Objective：Graphite furnace atomic absorption spectrometry was established to determine soluble Ba,Cd,Cr and Pb in adhesive for food contact materials.Methods：Samples were dried at room temperature after coating films,followed by freezing,hardening.4% acetic acid was used to extract metals in treated samples.Results：The recoveries for Ba,Cd,Cr and Pb with standard addition method ranged from 80%~120%（n=7）.Relative standard deviation was no more than 1.2%~9.5%（n=7）.Conclusion：The method is sensitive and simple.It can be used for determination of soluble Ba,Cd,Cr and Pb in adhesive for food contact materials.

关 键 词：食品接触材料用胶粘剂 溶出率 石墨炉原子吸收法 

分 类 号：O657.31[理学—分析化学]