Search Results

9 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 17

    Determination of eight carbonyl compounds in e-liquids for electronic cigarettes by LC-MS/MS

    PAN Lining; LIU Shaofeng; ZHAO Le; YU Jingjing; LIU Kejian; FAN Meijuan; CHEN Li; WANG Hongbo; GUO Junwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    A liquid chromatography tandem mass spectrometry (LC-MS/MS) method was developed to simultaneously determine eight carbonyl compounds (formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, 2-butanone, butyraldehyde) in e-liquids ...
  2. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 84

    Distribution of toxic chemicals in the different sized particles from mainstream cigarette smoke

    WANG Hongbo; LI Xiang; XIE Fuwei; PENG Bin; LIU Kejian; WANG Sheng; QIN Yaqiong; NIE Cong; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    It is important for the estimation of risk of cigarette smoke that the distribution of toxic chemicals is accurately measured in the different sized particles of cigarette smoke aerosol. An electrical low pressure impactor (ELPI) directly coupled with a ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 56

    Dose-effect relationship between main precursors and delivery of hydrocyanic acid in cigarette smoke and influencing factors of the same

    WANG Hongbo; XIA Qiaoling; XIE Fuwei; GUO Jizhao; CAO Depo; ZHAO Xiaodong; DING Li; YAN Quanping; LIU Kejian; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    With a home-made cigarette smoking simulator of rapid heating, the source of hydrocyanic acid (HCN) in cigarette smoke was studied. The effects of tobacco matrix, pyrolysis temperature, oxygen content in atmosphere, flow rate and heating rate on the yield ...
  4. Tobacco Science & Technology, 2012, 10, p. 46-50, 84, ISSN.1002-0861

    Effects of material parameters on deliveries of seven harmful components in cigarette smoke

    ZHAO Le(1); PENG Bin(1); YU Chuanfang(1); HE Shujie(2); LIU Kejian(1); ZHAO Xiaodong(1); WANG Hongbo(1); GUO Jizhao(1); YAN Quanping(1); YU Jingjing(1); LI Ping(1); XIANG Nengjun(3); MENG Zhaoyu(3); CUI Tao(2); YANG Jun(2); NIE Cong(*1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; (3) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    To investigate the effects of material parameters on the deliveries of seven harmful components in cigarette smoke, the deliveries of CO, HCN, NNK, NH 3, BaP, phenol and crotonaldehyde, in mainstream smoke of forty cigarette samples made with different ...
  5. Tobacco Science & Technology, 2012, 12, p. 49-51, ISSN.1002-0861

    Determination of moisture content in tobacco with gas chromatography

    WU Jinming(1); PENG Bin(*2); LIU Kejian(2); ZHAO Xiaodong(2); LI Ping(2); ZHANG Xiaobing(2)
    (1) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to accurately determine the moisture content in tobacco, a method with gas chromatography was developed. Four factors, including extraction means, extraction solvent, extraction time and solvent volume, were optimized. The results showed that: 1) ...
  6. Tobacco Science & Technology, 2012, 5, p. 35-39, ISSN.1002-0861

    Regression models between harmful components in cigarette smoke and parameters of cigarette material

    ZHAO Le(1); PENG Bin(1); YU Chuanfang(1); LIU Kejian(1); ZHAO Xiaodong(1); XIANG Nengjun(2); MENG Zhaoyu(2); ZHANG Gaofeng(3); YANG Jun(3); HE Shujie(3); NIE Cong(*1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; (3) China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China
    In order to study the influences of cigarette material on the deliveries of harmful components (CO, NNK, NH 3, HCN, BaP, phenol, crotonaldehyde, nicotine and tar) in mainstream cigarette smoke, orthogonal tests were conducted and the prediction models of ...
  7. Tobacco Science & Technology, 2010, 7, p. 34-38., ISSN.1002-0861

    Determination of filtration efficiencies of filters to tobacco-specific nitrosamines in cigarette smoke

    SHAO JI-MIN; LIU HUI-MIN; XIA QIAO-LING; XIE FU-WEI; LIU KE-JIAN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the filtration efficiencies (FEs) of cigarette filters to 4 kinds of tobacco-specific nitrosamines (TSNAs) in cigarette smoke, a method based on GC-TEA was developed. The FEs of the same cellulose acetate (CA) filter cigarette ...
  8. Tobacco Science & Technology, 2009, 9, p. 32-8, ISSN.1002-0861

    Analysis of volatile organic acids in tinctures for the use of tobacco by GC/MS

    WANG BING; XIE FU-WEI; LIU KE-JIAN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    17 volatile organic acids in tinctures of Radix angelica Pubescens, coffee, date, cacao, licorice, ling vanilla, hop, fenugreek, Aglaia odorata, vanilla for the use of tobacco were determined. The samples were extracted with ASE, then derived with N, O ...
  9. CORESTA Congress, Shanghai, 2008, SSPT 40

    Identification of polar cuticular components on Oriental tobacco leaves by off-line two-dimensional liquid chromatography - mass spectrometry

    DING Li; XIE Fuwei; LIU Kejian; WANG Sheng; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Chemistry Dept, Zhengzhou, Henan, China.
    Off-line comprehensive two-dimensional liquid chromatography-mass spectrometry was established for identifying the polar fraction of cuticular components in Oriental tobacco. Normal-phase liquid chromatography was chosen for the fractionation of polar ...