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  1. Tobacco Science & Technology, 2012, 8, p. 29-33, 39, ISSN.1002-0861

    Uncertainty in determination of total alkaloids in flue-cured tobacco with continuous flow method

    ZHANG Wei(1); WANG Ying(1); TANG Gangling(*1); SHAN Hongguang(1); XU Ruyan(2); WANG Xiaochun(2); FAN Guomin(3)
    (1) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; (2) Xuzhou Cigarette Factory, China Tobacco Jiangsu Industrial Co., Ltd., Xuzhou 221005, Jiangsu, P.R. China; (3) Zhumadian Cigarette Factory, China Tobacco Henan Industrial Co., Ltd., Zhumadian 463000, Henan, P.R. China
    In order to evaluate the uncertainty in the determination of total alkaloids in flue-cured tobacco with continuous flow method, the cause-effect relationship diagram in the determination was revised and a new mathematical model for measurement uncertainty ...