石家庄市售液态牛奶和奶粉中重金属含量的检测及分析

目的 调查石家庄市售牛奶和奶粉中铅、镉、汞和砷等重金属的污染状况.方法 采用电感耦合等离子体质谱法对市售不同品牌的牛奶和奶粉中的污染物进行检测,并依据GB 2762—2017《食品安全国家标准食品中污染物限量》对牛奶中的铅、镉、汞和砷对公众健康危害风险度进行研究.结果 本研究共监测61份样品,铅、镉、汞、砷总合格率为1...

Detection and analysis of heavy metals in liquid milk and milk powder sold in Shijiazhuang city

ABSTRACT: Objective To investigate the contamination situation of heavy metals lead, cadmium, mercury and arsenic in milk of Shijiazhuang city, and to ensure the safety of people''s food safety. Methods The pollutants (Pb, CD, Hg and as) in different brands of milk and milk powder on the market was determined by inductively coupled plasma mass spectrometry (ICP-MS), and the risk degree of Pb, CD, Hg and as in milk on public health hazards was studied according to GB 2762-2017 National food safety standard-Limits of pollutants in food. Results Totally 61 Samples were monitored, and the total qualified rate of lead, cadmium, mercury and arsenic was 100%. The detection rates of lead, cadmium, mercury and arsenic were 31.1%, 7.69%, 0% and 0%, respectively.. Conclusion At present, the overall level of heavy metal pollution in milk sold in Shijiazhuang city is low. However, some milk and dairy products still have heavy metal pollution, which should be paid attention to. In order to ensure the quality and safety of milk and milk powder, targeted measures should be taken to supplement and improve relevant standards and strengthen supervision..KEY WORDS: milk; milk powder; heavy metal; contamination; risk monitoring