1. Tobacco Science & Technology, 2010, 11, p. 36-39., ISSN.1002-0861

    Parameter optimization for determining pH values of total particulate matter of mainstream cigarette smoke with response surface analysis

    LIN WEN-QIANG(1,2); CHENG CHUAN-LING(1); DONG WEI(1,2); MAO DUO-BIN(1)
    1. School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; 2. R & D Center of Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    In order to accurately determine the pH values of total particulate matter (TPM) in mainstream cigarette smoke, the absolute value of relative mean error was used as an assessment index, 4 factors, including extract solvent volume, oscillation...
  2. Tobacco Science & Technology, 2010, 12, p. 46-48., ISSN.1002-0861

    Simultaneous determination of eight heavy metals in cut filler by DRC-ICP-MS

    WANG HAI-LI(1,2); TANG JIAN-GUO(2); MENG ZHAO-YU(2); ZHU WEN-HUI(1,2); LU SHE-MING(2); DAI YUN(1)
    1. School of Chemistry and Biotechnology, Yunnan University of Nationalities, Kunming 650031, P.R. China; 2. Technology Center of Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    To quickly and accurately determine the heavy metals in cut filler, a DRC-ICP-MS method for determining Cr, Ni, As, Se, Cd, Cs, Hg and Pb in cut filler is established with microwave digestion. The results showed that the recoveries of these elements...