石家庄地区2010年食物中重金属污染调查分析

目的了解石家庄地区食物中重金属铅、汞、镉的含量状况及分布规律。方法样品均为石家庄地区县(市)市售常见食品,样品处理及测试采用国家标准方法 (GB/T5009.12.15.17)。结果食品中重金属主要是铅污染,样本中铅的超标率分别为猪肾50.0%、猪肉44.0%、米(大米、黑米)35.0%、面粉33.3%。镉的超标率较低,样本中汞含量检测全部符合国家标准。结论石家庄地区铅污染严重;食品中汞、镉安全。

Analysis on the heavy metal contamination in the food of Shijazhuang regions at 2010

Objective To investigate the contents and distribution of lead,mercury and cadmium in the food of Shijiazhuang areas.Method All samples were common food from the supermarkets of shijiazhuang.The national standard method(GB/T5009.12.15.17) was used for sample treatment and test.Results The main heavy metal contamination of the food was lead,the exceed rates of lead in pig kidney,pork,rice and wheat flour were 44.0%,50.0%,35.0% and 33.3%,respectively.Cadmium exceed rate was lower.Mercury content was accord with the national standards.Conclusions Lead contamination was seriously in Shijiazhuang,but mercury and cadmium were security.