Search Results

49 results

  1. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 44

    Investigation of pyrolysis behaviour of lutein in air by thermo gravimetry-single drop micro extraction-gas chromatography-mass spectrometry

    YANG Ji; YANG Liu; WU Yiqin; MIAO Mingming; ZHE Wei; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, P.R. China
    To investigate the pyrolysis behaviour of lutein in air, an automatic single drop micro extraction (SDME) device for trapping the released fractions was designed and coupled with thermo gravimetry-gas chromatography-mass spectrometry. According to the ...
  2. Tobacco Science & Technology, 2011, 7, p. 60-63., ISSN.1002-0861

    Transfer behavior of some carbonyl flavors in filter and tobacco rod of cigarette

    ZHANG JIE(1); ZONG YONG-LI(1); ZHOU HUI-SHUN(2); PENG SHU-HAI(1); SONG YU-BING(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center of China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China
    Twelve carbonyl flavor samples were added into cut tobacco and filter tips of cigarettes and then analyzed by simultaneous distillation and extraction coupled with GC and GC/MS to determine the ratios of flavor retained in tobacco rod or filter, migrated ...
  3. Tobacco Science & Technology, 2010, 8, p. 41-45., ISSN.1002-0861

    Effects of filter length and ventilation on transfer behavior of some ester flavors in cigarette

    ZHOU HUI-SHUN(1); ZONG YONG-LI(2); ZHANG JIE(2); PENG SHU-HAI(2); SONG YU-BING(2)
    1. Technology Center, P.R. China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the effects of filter length and ventilation on the transfer behavior of some ester flavors in cigarettes, the said ester flavors were injected into cigarettes with filters of various length and ventilation rates. These flavored ...
  4. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2009, 23-4, p. 203-26., ISSN.0173-783X

    Investigation of tobacco pyrolysis gases and puff-by-puff resolved cigarette smoke by single photon ionisation (SPI) - Time-of-flight Mass Spectrometry (TOFMS)

    ADAM T.; MITSCHKE S.; BAKER R.R
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    The work presented deals with the application of Single Photon Ionisation- Time-of-Flight Mass Spectrometry (SPI-TOFMS) for the investigation of tobacco smoke. SPI-TOFMS is a modern analytical technique, which enables the simultaneous analysis of a large ...
  5. CORESTA Meeting, Smoke Science/Product Technology, Jeju, 2007, SSPT 13

    Fast on-line tobacco smoke analysis with Photo Ionisation - Time-of-Flight-Mass Spectrometry - Part 1: Scientific background and basic principles

    ZIMMERMANN R.; MÜHLBERGER F.; MITSCHKE S.; STREIBEL T.; ROSE N.
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    Mass spectrometry (MS) with soft ionisation (i.e. non fragmenting ionisation) allows a direct on-line monitoring of organic compounds in complex gaseous matrices such as tobacco smoke. Photo ionisation (PI) methods are particularly well suited for this ...
  6. CORESTA Meeting, Smoke Science/Product Technology, Jeju, 2007, SSPT 15

    Fast on-line tobacco smoke analysis with Photo Ionisation - Time-of-Flight-Mass Spectrometry - Part 3: First measurements with a Smoke Analyzer Prototype system

    MITSCHKE S.; ROSE N.; ZIMMERMANN R.
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    In the past few years several studies were undertaken investigating mainstream and sidestream smoke with modern on-line mass spectrometric methods with soft ionisation methods, such as single-photon ionisation (SPI) and resonant multi photon ionisation ...
  7. CORESTA Meeting, Smoke Science/Product Technology, Jeju, 2007, SSPT 19

    Simultaneous on-line analysis of gas phase and particulate phase of cigarette mainstream smoke

    ADAM T.; McAUGHEY J.; MITSCHKE S.; McGRATH C.; MOCKER C.; ZIMMERMANN R.
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    Tobacco smoke is a complex and dynamic matrix consisting of gaseous and particulate material, in which about 4800 constituents have been identified. The chemical composition and partition between phases of the smoke can change continuously and is strongly ...
  8. CORESTA Meeting, Smoke Science/Product Technology, Jeju, 2007, SSPT 20

    Sidestream smoke analysis with Single Photon Ionisation/Time-of-Flight Mass Spectrometry (SPI-TOFMS)

    MITSCHKE S.; ADAM T.; BAKER R.R.; ZIMMERMANN R.
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    Recently several studies dealing with online analysis of mainstream tobacco smoke utilising photo ionisation mass spectrometry (PI-MS), namely single photon ionisation (SPI) and resonance-enhanced multi photon ionisation (REMPI) time-of-flight mass ...
  9. CORESTA Congress, Paris, 2006, SS 06

    Real-time on-line characterisation of selected Hoffmann analytes in inhaled and exhaled cigarette smoke (Mouthspace) by photo ionisation time-of-flight mass spectrometry

    STREIBEL T.; SKLORZ M.; MITSCHKE S.; ADAM T.; ZIMMERMANN R.
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    Chemical composition of cigarette smoke has been extensively researched in the past mostly using off-line methods such as GC/MS or HPLC. Often the smoke was already aged and altered by the sampling/trapping when it was analyzed. It is known that many ...