Search Results

9 results

  1. Tobacco Science & Technology, 2012, 1, p. 47-51., ISSN.1002-0861

    Analysis of harmful aldehyde and ketone compounds in sidestream cigarette smoke

    JIANG Lamei(1); LIAN Wenliu(1); DING Shichao(1); WANG Sheng(2); QIAN Xiaochun(1); TAN Haifeng(1); LIU Feng(1)
    (1) Technology Center of China Tobacco Hunan Industrial Co., Ltd., Changsha 410014, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to determine the harmful aldehyde and ketone compounds in sidestream cigarette smoke, the influences of each part of trapping device and sample preparation on the determined values of eight aldehyde and ketone compounds were investigated. A...
  2. Tobacco Science & Technology, 2012, 12, p. 44-48, ISSN.1002-0861

    Simultaneous determination of four aromatic amines in mainstream cigarette smoke with liquid chromatography tandem mass spectrometry

    YU Jingjing; WANG Sheng; XIE Fuwei*; CHEN Yusong; ZHAO Ge; ZHANG Xiaobing
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    For simultaneous determination of four aromatic amines, including 1-naphthylamine, 2-naphthylamine, 3-aminobiphenyl and 4-aminobiphenyl, in mainstream cigarette smoke, a liquid chromatography tandem mass spectrometric (LC-MS/MS) method was developed....
  3. Tobacco Science & Technology, 2012, 12, p. 56-59, ISSN.1002-0861

    Effects of two derivative conditions on determination of polybasic acids and higher fatty acids in tobacco

    WANG Bing; XIA Qiaoling; GUO Jizhao; CAI Junlan; WANG Sheng; XIE Fuwei*
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The polybasic acids and higher fatty acids in tobacco were methyl esterified under two derivative conditions: heating-refluxing and placing at room temperature. The reaction mixtures were analyzed with gas chromatography (GC), the results were...
  4. Tobacco Science & Technology, 2012, 2, p. 43-46., ISSN.1002-0861

    Determination of NNN and its metabolites in rabbit blood with HPLC-MS/MS

    ZHAO Beibei(1); WANG Sheng(1); WANG Juan(2); WANG Zhaoyu(3); ZHANG Jianxun(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Quality Supervision & Test Station of Hainan Tobacco Corporation, Haikou 571100, P.R. China; (3) Quality Supervision & Test Station of Zhejiang Tobacco Corporation, Hangzhou 310001, P.R. China
    In order to accurately determine N-nitroso nornicotine (NNN) and its metabolites in rabbit blood, a high-performance liquid chromatography/tandem mass spectrometry method was established by optimizing chromatographic conditions and mass spectrometric...
  5. Tobacco Science & Technology, 2012, 4, p. 37-43, ISSN.1002-0861

    Determination of 11 polycyclic aromatic hydrocarbon biomarkers in human urine with LC-MS/MS

    CHEN Yusong; WANG Sheng; YU Jingjing; LIU Huimin*; CAO Depo
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to evaluate the exposure to PAHs in environmental tobacco smoke, the influences of solid phase extraction column, chromatographic column and mass spectrometry conditions on analytical results were investigated, a method with SPE-HPLC/MS/MS...
  6. Tobacco Science & Technology, 2011, 10, p. 44-48., ISSN.1002-0861

    Analysis of total nicotine, free nicotine and tobacco-specific n-nitrosamines in foreign (sic)[non Chinese] oral smokeless tobacco products

    ZHANG JIE(1,2); LI PENG(1); ZONG YONG-LI(1); SUN SHI-HAO(1); WANG SHENG(1); XIE JIAN-PING(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Beijing Workstation, Technology Center, Shanghai Tobacco (Group) Co., Ltd., Beijing 101121, P.R. China
    The moisture content, nicotine, pH, free nicotine, and 4 tobacco-specific nitrosamines (TSNAs) in 65 samples of foreign oral smokeless tobacco products were analyzed with CORESTA recommended methods. The results showed that there was wide discrepancy...
  7. Tobacco Science & Technology, 2011, 12, p. 56-60., ISSN.1002-0861

    Determination of resorcinol and other phenolic compounds in mainstream cigarette smoke by two-dimensional liquid chromatography

    YAN QUAN-PING; WANG SHENG; DING LI; ZHAO GE; GUO JI-ZHAO; XIE FU-WEI
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    Seven major phenolic compounds, including hydroquinone, resorcinol, catechol, phenol, m+p-cresol and o-cresol, in mainstream cigarette smoke were determined by liquid chromatography with two-dimensional column (2D-LC). The conditions of heart-cutting...
  8. Tobacco Science & Technology, 2011, 2, p. 47-51., ISSN.1002-0861

    Determination of seven preservatives in tobacco flavor by RP-HPLC

    TIAN HAI-YING(1); SONG JIN-YONG(1); WANG HONG-WEI(1); WANG HONG-XIA(1); XING LIANG(1); WANG SHENG(2)
    1. Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    A method for simultaneously determining 7 preservatives in tobacco flavors by reversed-phase high performance liquid chromatography (RP-HPLC) with a variable wavelength detector (VWD) was developed. The parameters such as extraction solvent,...
  9. Tobacco Science & Technology, 2010, 6, p. 57-62., ISSN.1002-0861

    Improvement of LC-MS/MS Method for analyzing tobacco-specific nitrosamines in cigarette smoke

    WANG ZHAO-YU; WANG SHENG; WANG JUAN; LU BIN-BIN; LIU KE-JIAN; ZHANG JIAN-XUN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    For fast and accurately determining the tobacco-specific nitrosamines (TSNAs) in mainstream cigarette smoke, the test for improving the determining conditions of liquid chromatography-tandem mass spectrometry was conducted. The results showed that:...