Analytical results showed that the superstandard rate of Cu was more lower than that of Pb, heavy metal contamination of tea samples during processing and packaging...

• 结果显示,样品中铜的超标率远远低于铅的超标率,样品在生产、包装过程中重金属污染较为严重,其中常规茶样品在生产加工、包装过程中的污染情况较有机茶更为严重。