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  1. Tobacco Science & Technology, 2012, 10, p. 51-55, ISSN.1002-0861

    Differences between and cluster analysis of heavy metal contents in tobacco leaves from ten tobacco producing provinces in China

    ZHANG Xiaojing(1); QIN Cunyong(2); ZHU Fengpeng(3); CHEN Weihua(1); HU Qingyuan(*3)
    (1) Technology Center, China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang 050051, P.R. China; (2) Hebei Baisha Tobacco Co., Ltd., Shijiazhuang 050035, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    The comparison and cluster analysis of Cr, Ni, Cu, As, Cd, Tl and Pb contents in 100 samples of flue-cured tobacco leaves from 100 areas in 10 provinces of China were conducted for investigating the content and distribution of heavy metals in...