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. 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. 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, 2012, 7, p. 43-45, ISSN.1002-0861

    Effects of combustion improver in cigarette paper on deliveries of seven harmful components in mainstream cigarette smoke

    GUO Jizhao(1); ZHENG Saijing(2); YAN Quanping(1); ZHANG Xiaobing(*1); SUN Wenliang(*2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Shanghai Tobacco Group Co., Ltd., Shanghai 200082, P.R. China
    In order to find out the function of combustion improver in reducing cigarette’s hazardous components, the effects of the inclusion rate of combustion improver (sodium citrate and potassium citrate) in cigarette paper on the deliveries of seven harmful ...
  8. TSRC, Tob. Sci. Res. Conf., 2011, 65, abstr. 56

    Separation of volatile and semi-volatile compounds in tobacco using on-line combination of liquid chromatography and gas chromatography-mass spectrometry.

    SHAOFENG LIU; JUNCHAO BAI; JUNWEI GUO; JIZHAO GUO
    Zhengzhou Tobacco Research Institute, Zhegzhou, Henan, P.R. China.
    A method of on-line combination of liquid chromatography and gas chromatography-mass spectrometry (LC-GC/MS) was established for analysis of volatile and semi-volatile compounds in tobacco. The separation mechanism of volatile and semi-volatile compounds ...
  9. TSRC, Tob. Sci. Res. Conf., 2011, 65, abstr. 70

    Determination of nitroalkanes in cigarette mainstream smoke with heart-cut two-dimensional GC/MS method.

    JIZHAO GUO; JINGJING SHANG; FUWEI XIE; XIAOBING ZHANG
    Zhengzhou Tobacco Research Institute, Zhegzhou, Henan, P.R. China
    A heart-cut two-dimensional GC/MS instrument consisting of a GC and a GC/MS was fabricated based on pneumatic pressure controlled switch (i.e. Deans switch). The instrument included dual ovens for two columns and a cold trap cooled by liquid nitrogen ...
  10. 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 and ...