Search Results

10 results

  1. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 08

    Determination of 16 polycyclic aromatic hydrocarbons in mainstream cigarette smoke by using a graphene coated solid-phase micro extraction (SPME) technique followed by gas chromatography-mass spectrometry (GC/MS)

    WANG Xiaoyu; GUO Jizhao; XIA Qiaoling; DING Li; XIE Fuwei; ZHANG Xiaobing; LIU Huimin; WANG Hongbo
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    A new method to determine the levels of 16 polycyclic aromatic hydrocarbons (PAHs) in mainstream cigarette smoke simultaneously and rapidly was developed. The method used SPME-GC/MS, wherein an in-house prepared graphene-coated fibre was used in SPME. ...
  2. 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 ...
  3. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 14

    Study on mechanisms of hydrocyanic acid formation during glycine pyrolysis

    HAO Ju-fang; GUO Ji-zhao; XIE Fu-wei; XIA Qiao-ling; XIE Jian-ping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    To find out the HCN formation process during glycine pyrolysis, the small molecule gaseous pyrolysates, H 2 O, NH 3, CO 2, CO, HNCO and HCN, were analysed in real-time with TG-FTIR. The volatile pyrolysis products and solid residues at certain temperature ...
  4. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 18

    Simultaneous determination of ten aromatic amines in mainstream cigarette smoke by liquid chromatography/electrospray ionisation tandem mass spectrometry

    YU Jing-jing; WANG Sheng; XIE Fu-wei; XIA Qiao-ling; ZHAO Ge; ZHANG Xiao-bing
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    For rapidly, sensitively and comprehensively analysing the aromatic amines in mainstream cigarette smoke, a liquid chromatography-electrospray ionisation tandem mass spectrometric (LC-MS/MS) method coupled with solid phase extraction (SPE) was developed. ...
  5. 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 compared by ...
  6. Tobacco Science & Technology, 2012, 3, p. 31-33., ISSN.1002-0861

    Study on thermo-gravimetric behavior of five amino acids and pyrolytic formation of hydrocyanic acid

    LI Feifei; HAO Jüfang; GUO Jizhao; WANG Hongbo; XIE Fuwei; XIA Qiaoling; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The effects of heating rate and atmosphere on the yield of hydrocyanic acid (HCN) from pyrolysis of glycine (Gly), alanine (Ala), leucine (Leu), isoleucine (Ile) and proline (Pro) were investigated by a modified thermo-gravimetric analyzer. The results ...
  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, 8, p. 35-7, ISSN.1002-0861

    Analysis of ethyl acetate and vinyl acetate in polyvinyl acetate emulsion adhesive

    XIA QIAO-LING; LIU HUI-MIN; DING LI
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    By investigating the influences of extraction solvents and application rates, extraction modes, demulsification, salting-out, polarity of chromatic columns and relative analytical conditions on the analytical results, a method for simultaneously ...
  9. CORESTA Meeting, Smoke Science/Product Technology, Jeju, 2007, SSPT 26

    Determination of major semi-volatile compounds in mainstream cigarette smoke

    XIE Fuwei; ZHAO Ge; ZHAO Le; WANG Sheng; XIA Qiaoling
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    A new method has been developed for the quantitative analysis of major semi-volatile compounds in both particulate phase and vapour phase of mainstream cigarette smoke. The vapour phase was collected with a XAD-4 cartridge instead of cold solvent trap, ...
  10. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 180, S4

    Studies on the free and bound fatty acidic components in Yunnan and Henan flue-cured tobacco

    LI Yanqiang; XIAN Kefa; ZHAO Mingyue; XIA Qiaoling
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    In this paper, the free and bound fatty acidic components in Yunnan and Henan flue-cured tobacco were extracted with simultaneous distillation and extraction equipment. They were investigated using GC and GC/MS without derivatization. Twenty-one fatty ...