Search Results

6 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 48

    Analysis of four volatile nitroso-amines, four alkaloids, 18 polycyclic aromatic hydrocarbons in oral tobacco products based on simultaneous extraction technique and GC-MS/MS detection

    WANG Xiaoyu(1); QIN Yaqiong(1); XIE Fuwei(1); LI Dongliang(2); SHEN Yi(2); GUO Junwei(1); LIU Shaofeng(1); LUO Cheng(2); PAN Lining(1); WANG Sheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center, China Tobacco Sichuan Industrial Co., Ltd., Chengdu, P.R. China
    Many kinds of harmful or potentially harmful components (HPHCs) exist in oral tobacco products. Usually, each kind of chemical needs a specific analytical method, which will cause high cost and low throughput. Therefore, the objective of this study was to ...
  2. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 042

    Determination of amounts of harmful substances migrating from plastic assemblies in electronic cigarettes

    FAN Meijuan(1); PAN Lining(1); CUI Huapeng(1); DUAN Yuanxing(2); LIU Yibo(3); NIU Jiajia(1); MAO Youan(4); CHEN Li(1); GUO Junwei(1); LIU Shaofeng(1); WANG Hongbo(1); LIU Huimin(1); ZHAO Le(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center of China Tobacco Yunnan Industrial, Kunming, P.R. China; (3) Technology Center of China Tobacco Guangdong Industrial, Guangzhou, P.R. China; (4) Technology Center of China Tobacco Hunan Industrial, Changsha, P.R. China
    Plastic materials are widely used in assemblies of e-cigarettes. Plastic materials shall not transfer harmful substances to the content of e-liquid in quantities which change the composition of the e-liquid or the aerosol and thereby increase the risk for ...
  3. 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 ...
  4. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 39

    Estimation of smokers’ mouth level exposure to cigarette smoke with filter analysis method

    CAI Junlan; PENG Bin; WANG Bing; WANG Sheng; ZHAO Ge; YU Jingjing; GUO Junwei; ZHANG Xiaobing; XIE Fuwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    Part-filter analysis method was used to estimate Chinese smokers' mouth level exposure (MLE) to nine chemical components in cigarette smoke. 1) A series of quantitative analysis methods for determining levels of nicotine, tar, solanesol and six ...
  5. 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 ...
  6. Tobacco Science & Technology, 2011, 11, p. 30-31., ISSN.1002-0861

    Rapid determination of potassium, sodium and calcium in cigarette paper with ultrasonic extraction-continuous flow method

    WANG HONG-BO; GUO JUN-WEI; PENG BIN; XIE FU-WEI; ZHANG XIAO-BING
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to monitor cigarette paper quality, the contents of potassium (K), sodium (Na) and calcium (Ca) in cigarette paper were rapidly determined by ultrasonic extraction-continuous flow method. The recoveries of K, Na and Ca were 99.2%, 98.6% and 101%, ...