Search Results

132 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 10

    The influence of sodium carbonate buffer on TSNAs accumulation and leaf quality during tobacco storage

    LIU Xingyu(1); LIU Deshui(1); MA Li(1); MA Yanjun(1); YANG Zhendong(1); ZHANG Jie(1); LIN Lin(2); BAI Ruoshi(1); ZHOU Jun(1)
    (1) Technology Center, Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China; (2) Beijing Tobacco Quality Supervision and Testing Station, Beijing, P.R. China
    Storage of tobacco leaves is an important stage in tobacco processing. Tobacco Specific N-nitrosamines (TSNAs) in tobacco leaves gradually increase during storage. The purpose of this study was to investigate the influence of sodium carbonate on the ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 18 (also presented at TSRC 2019)

    Comparison of a flame ionization detector (GC/FID) to a nitrogen-phosphorus detector (GC/NPD) for gas chromatographic determination of nicotine in conventional and ultra-low nicotine tobacco blends

    STINSON A.; STEELMAN D.; CLARK T.J.
    Liggett Group LLC, 100 Maple Lane Mebane NC, U.S.A.
    The established CORESTA method to determine nicotine in tobacco uses a gas chromatograph coupled with a flame ionization detector (GC/FID) (CRM 62) that uses mass spectrometry (GC/MS) (CRM 87). These methods were developed to evaluate conventional tobacco ...
  3. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 034 (also presented at CORESTA SSPT2019)

    Comparison of a flame ionization detector (GC/FID) to a nitrogen-phosphorus detector (GC/NPD) for gas chromatographic determination of nicotine in conventional and ultra-low nicotine tobacco blends

    STEELMAN D.; STINSON A.; CLARK T.J.
    Liggett Group, Mebane, NC, USA
    The established CORESTA method to determine nicotine in tobacco uses a gas chromatograph coupled with a flame ionization detector (GC/FID) (CRM 62) or that uses a mass spectrometer (GC/MS) (CRM 87). These methods were developed to evaluate conventional ...
  4. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 041

    Analysis of e-liquids of electronic cigarettes containing nicotine salts

    HAN Shulei; Fu Yaning; Liu Tong; Wang Hongjuan; Chen Huan; Hou Hongwei
    China National Tobacco Quality Supervision and Test Center, Henan, P.R. China
    Electronic cigarettes containing nicotine salts are gaining in more and more popularity worldwide. However, information about this kind of products is very limited. We developed a high performance liquid chromatography method for simultaneously ...
  5. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 050

    Cytotoxicity and acute toxicity assessment of several typical nicotine salts

    WANG Hongjuan; CHEN Huan; HAN Shulei; FU Yaning; LIU Tong; HOU Hongwei; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Henan, P.R. China
    As a new form of nicotine intake, nicotine salts are increasingly used in new tobacco products such as electronic cigarette. Whether the matrix components of electronic liquids will affect its toxicity, relative to pure nicotine, how to set the ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 40 (also presented at TSRC 2017)

    A comparison of two different extraction methods for aromatic amines in mainstream smoke using gas chromatography-tandem mass spectrometry (GC/QQQ)

    STINSON A.(1); GILLILAND S.(1); HUCKINS A.(1); GILLMAN I.G.(2); BROWN S.S.(2); STEELMAN D.(1)
    (1) Liggett Group LLC, Mebane, NC, U.S.A.; (2) Enthalpy Analytical Inc., Durham, NC, U.S.A.
    The established GC-MS methods for the analysis of aromatic amines (o-Anisidine, o-Toluidine, 2,6-Dimethylaniline, 1-Aminonaphthalene, 2-Aminonaphthalene, and 4-Aminobiphenyl) involve complex sample preparation and analyzing the samples on a gas ...
  7. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 048 (also presented at CORESTA SSPT2017)

    A comparison of two different extraction methods for aromatic amines in mainstream smoke using gas chromatography-tandem mass spectrometry (GC/QQQ)

    STINSON A.(1); GILLILAND S.(1); HUCKINS A.(1); BROWN S.S.(2); GILLMAN I.G.(2)
    (1) Liggett Group, Mebane, NC, USA; (2) Enthalpy Analytical, Durham, NC, USA
    The established GC-MS methods for the analysis of aromatic amines (o Anisidine, o Toluidine, 2, 6 Dimethylaniline, 1 Aminonaphthalene, 2 Aminonaphthalene, and 4 Aminobiphenyl) involve complex sample preparation and analyzing the samples on a gas ...
  8. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 097

    Evaluation of mainstream cigarette smoke components yields of different cigarette types based on principal component analysis

    LI Zhonghao; YANG Fei; LIU Shanshan; FAN Ziyan; WANG Ying; BIAN Zhaoyang; DENG Huimin; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Zhengzhou, China
    The feasibility of using Principal Components Analysis (PCA) in order to analyze a complex cigarette smoke mixture, seven cigarette mainstream smoke components, including carbon monoxide (CO), 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), Benzo(a ...
  9. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 13

    Determination of harmful components in mainstream cigarette smoke by FT-NIR spectrometry equipped with Cambridge filter pads

    REN Jianxin(1); WANG Zhiguo(1); LIU Wei(1); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2); HU Qingyuan(3)
    (1) Hunan Industrial Co., Ltd. of CNTC, Technonlgy Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, P.R. China
    The yields of harmful components in cigarette smoke are basic parameters to evaluate the harm of cigarettes. However, the existing detection methods for most harmful components in mainstream cigarette smoke are complicated and time consuming. Therefore a ...
  10. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 54

    Determination of 9 aromatic amines in mainstream smoke by dispersive liquid phase microextraction and gas chromatography mass spectrometry

    DENG Huimin; LI Zhonghao; YANG Fei; FAN Ziyan; HENG Yingying; JIANG Xingyi; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
    A new method for the rapid and simultaneous determination of nine aromatic amines in mainstream cigarette smoke by dispersive liquid phase microextraction (LPME) coupled with gas chromatography/mass spectrometry (GC/MS) was developed. The measured ...