Effect of Soil Quality on Lead and Copper Contents in the Tea / 环境与健康杂志

ABSTRACT

Objective In order to find the pollution source and provide some useful references for the controlling of the heavy metal pollution to the tea. Methods From March to April,2007,the soil and tea samples were collected from 10 tea gardens in the main producing areas. The soil samples were digested. The tea samples were dissolved by mix acid solution after being burnt into ashes,then the contents of lead and copper were determined by FAAS. Results There was a significant positive correlation between tea and soil in the lead contents (r lead=0.650 2,P