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本文利用火焰原子吸收法对市售4个品种的茶叶进行了铅含量的测定。结果表明,有1/3的样品铅含量超过国家标准,污染程度相当严重。
In this paper, four kinds of commercially available tea leaves were determined by flame atomic absorption spectrometry. The results show that 1/3 of the samples lead content exceeds the national standard, the pollution level is quite serious.