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3 results

  1. Tobacco Science & Technology, 2010, 10, p. 37-40., ISSN.1002-0861

    Determination of phosphate content in tobacco with continuous flow method

    ZHANG WEI(1); WANG YING(1); YU RUI-GUO(2); TANG GANG-LING(1); XU RU-YAN(3); BO YUN-CHUAN(3); LI RONG(2)
    1. China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; 2. Guangzhou MilliM Herbal Extract Technology & Development Inc., Guangzhou 510663, P.R. China; 3. Xuzhou Cigarette Factory, China Tobacco Jiangsu Industrial Corporation, Xuzhou 221005, Jiangsu, P.R. China
    A continuous flow method for determining the phosphate content in tobacco was developed. The tobacco samples were extracted with deionized water, using ammonium molybdate and ascorbic acid solution as a colorific agent and potassium antimony tartrate as a ...
  2. CORESTA Congress, New Orleans, 2002, S 01

    Qualitative and quantitative analysis of flavor constituents in tobacco and tobacco products using SPME-GC-MS

    TANG Gangling; LIU Huimin; LI Rong; CHEN Zaigen
    China National Tobacco Quality Supervise & Test Center, Zhengzhou, Henan, China.
    Tobacco flavor constituents were analyzed with solid phase microextraction-gas chromatography-mass-spectrometry (SPME-GC-MS). A total of 60 constituents were quantified and identified by GC-MS. These included 2,3-pentanedione, pyridine, 2-methyl pyridine, ...
  3. CORESTA Congress, New Orleans, 2002, S 02

    Qualitative and quantitative analysis of flavor constituents in tobacco and tobacco products using flash-distillation-GC-MS

    LIU Huimin; TANG Gangling; LI Rong; CHEN Zaigen
    China National Tobacco Quality Supervise & Test Center, Zhengzhou, Henan, China.
    Tobacco flavor constituents were analyzed with flash-distillation-gas chromatography-mass-spectrometry (FD-GC-MS). A total of 70 constituents were quantified and identified by GC-MS. These included 2,6-dimethyl pyrazine, 2,3-dimethyl pyrazine, 6-methyl-5 ...