微型氢化物发生-原子荧光光谱法测定食品包装袋中的砷  

Determination of arsenic in food packaging by microhydride generation-atomic fluorescence spectrometry

作　　者：刘淑娟[1] 彭雪娇[1] 唐文洁[1] 

机构地区：[1]东华理工大学化学生物与材料科学学院,抚州344000

出　　处：《食品科技》2010年第11期289-291,共3页Food Science and Technology

基　　金：江西省教育厅科研基金项目(GJJ08303)

摘　　要：建立了微型氢化物发生-原子荧光光谱法（MHG-AFS）测定食品包装袋中砷的分析方法。研究了介质酸度、硼氢化钾浓度以及仪器工作参数对砷测量信号的影响,并对仪器工作条件进行了优化。结果表明,在最佳仪器工作条件下,砷的检测限达到了0.15μg/L,加标回收率在94.8%-104.3%之间。方法操作简便、快速、灵敏度高,应用于食品包装袋中砷的检测取得了满意结果。The fluorescence determination conditions of As was studied by using a home-made microhydride generation device.Instrument parameters were investigated in details.Under the optimized instrumental con-dition,the trace amount of As in food packaging samples were detected by the proposed microhydride generation-atomic fluorescence spectrometry（MHG-AFS） method.Satifactory results were achieved with the recovery of 94.8%~104.3%.The detection limit was found to be 0.15 μg/L.

关 键 词：微型氢化物发生 原子荧光光谱法 食品包装袋 砷 

分 类 号：O657.31[理学—分析化学]