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  1. Tobacco Science & Technology, 2012, 4, p. 44-47, ISSN.1002-0861

    Determination of arsenic and lead in polypropylene tow binder by direct injection GF-AAS

    GE Shaolin(1); ZHU Dongliang(1); HU Lizhong(1); NIU Jiajia(2); HAN Yunhui(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    A direct injection-graphite furnace atomic absorption spectrometry (GF-AAS) method for determining arsenic (As) and lead (Pb) in polypropylene tow binder was developed. The results showed that, twentyfold dilution and additional drying process at 120...