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4 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, 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 ...
  3. 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 ...
  4. 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%, ...