丽水市茶叶及茶园土壤中重金属的测定  

Determination of Heavy Metals of Tea and Soil in The tea Gardens in Lishui

作　　者：莫建军[1] 

机构地区：[1]丽水学院化学与生命科学学院,浙江丽水323000

出　　处：《丽水学院学报》2007年第5期33-36,共4页Journal of Lishui University

基　　金：丽水学院青年基金资助项目(QN04001)

摘　　要：用火焰原子吸收光谱法测定浙江省丽水市不同茶叶产区的茶园土壤和茶叶样品中的重金属含量,结果表明：各茶园土壤中的铅、镉含量比较高,铜含量较低;茶叶中的铅、镉、铜的含量均较低,大部分符合我国无公害茶叶标准;测得铅、镉、铜的相对标准偏差分别为3.6%、5.2%、4.3%,回收率在95.2%～106.5%之间。The flame atomic absorption spectrum method is applied to measure the heavy metals content of the tea samples and the soil of the tea gardens which are from the different tea producing areas in Lishui Zhejiang.The result indicated that the contents of lead and Cadmium are quite high,and that the copper content is quite low in various tea gardens soil.The contents of the lead,the copper,the cadmium are lower in the samples of tea.The majority conforms to our country non-environmental damage tea standard.The relative standard deviations of Pb,Cd and Cu were 3.6%,5.2% and 4.3%.The determination recovery of the four elements is 95.2%～106.5%.

关 键 词：火焰原子吸收光谱 茶叶 土壤 铅 镉 铜 

分 类 号：O614[理学—无机化学]