压力溶弹消解石墨炉原子吸收法测食品中铅  

Determination of lead in food by high pressure digestion GFAAS

作　　者：赖建辉[1] 罗展纲[1] 彭名军[1] 

机构地区：[1]广东省深圳市龙岗区疾病预防控制中心,广东深圳518172

出　　处：《中国卫生检验杂志》2008年第8期1524-1525,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的：测定食品中铅的含量。方法：用压力溶弹法对试样进行消解,消解过的试样用石墨炉原子吸收法测食品中铅的含量。结果：本法测定的最低检出限为0.02 mg/kg,回收率为91.7%～99.8%,与国标湿法消解比较无明显差异。结论：该方法简便,节约试剂,准确可靠,适合日常大批量样品检测。Objective： To detect the contents of lead in food.Methods：Pretest sample by high pressure digestion,then determine content of lead by GFAAS.Results：The lowest detection limit of the method was 0.02 mg/kg,the recovery rate was 91.7%~99.8%.The results were consistent with the present national standard.Conclusion：The high pressure digestion is simple,reagent-saving,accurate and it is suitable for daily detection of large numbers of samples.

关 键 词：食品 压力溶弹法 石墨炉原子吸收法 铅 

分 类 号：O657.31[理学—分析化学]