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17 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 34

    On-line puff resolved analysis of e-cigarette vapours and heat-not-burn tobacco products

    ZIMMERMANN R.(1); EHLERT S.(1,2); WOLTER J.M.(1); HEIDE J.(1); WALTE A.(2); BENTE M.(2); STREIBEL T.(1)
    (1) Chair of Analytical Chemistry, University of Rostock, Rostock, Germany; (2) Photonin GmbH, Schwerin, Germany
    Photo ionisation-time of flight mass spectrometry (PI-TOFMS) has been established for on-line, puff-resolved characterisation of cigarette smoke. For example many toxicants, such as butadiene, acetaldehyde, naphthalene, phenol or polycyclic aromatic...
  2. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 49

    On-line real-time analysis of e-cigarette vapours and heat-not-burn tobacco products by photo-ionization mass spectrometry

    ZIMMERMANN R.(1); EHLERT S.(2); STREIBEL T.(1); HEIDE J.(1); WOLTER J.(1); WALTE A.(2)
    (1) University of Rostock, Germany; (2) Photonion GmbH, Schwerin, Germany
    Photo ionization time-of-flight mass spectrometry (PI-TOFMS) is an established technology for on-line, puff-resolved characterization of organic compounds in smoke of conventional cigarettes. Many toxicants, such as butadiene, acetaldehyde, phenol or...
  3. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 85

    Highly time-resolved two-dimensional mapping of molecular combustion and pyrolysis product concentrations: looking into a burning cigarette during puffing

    ZIMMERMANN R.(1); HERTZ-SCHÜNEMANN R.(1); EHLERT S.(1); LIU C.(2); McADAM K.G.(2); BAKER R.R.(2)†; COBURN S.(2); STREIBEL T.(1)
    (1) University of Rostock, Chair of Analytical Chemistry, Rostock, Germany; (2) British American Tobacco, Group R&D, Southampton, U.K.; (†) Deceased
    Combustion and pyrolysis are complex and dynamic chemical processes that are by far not fully understood. This is in particular true when the highly dynamic cigarettes smoking process is considered. The gas phase chemistry of tobacco combustion in...
  4. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 41

    Highly time-resolved two-dimensional mapping of the molecular combustion and pyrolysis product concentrations during a puff in a burning cigarette

    ZIMMERMANN R.(1); HERTZ-SCHÜNEMANN R.(1); STREIBEL T.(1); EHLERT S.(2); WALTE A.(2); LIU C.(3); McADAM K.(3)
    (1) University of Rostock, Rostock, Germany; (2) Photonion GmbH, Schwerin, Germany; (3) British American Tobacco, Southampton, UK
    Cigarette smoking is an extremely complex and dynamic chemical process. The gas phase chemistry of tobacco combustion in the tobacco voids and pores is difficult to address by conventional analytical methods. Recently photo ionisation mass...
  5. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 70

    On-line photo ionization mass spectrometry for characterization of smoke from e-cigarettes or heat-not-burn devices

    ZIMMERMANN R.(1); STREIBEL T.(1); HEIDE J.(1); HERTZ-SCHÜNEMANN R.(1); EHLERT S.(2); WALTE A.(2); LIU C.(3); McADAM K.(3)
    (1) University of Rostock, Rostock, Germany; (2) Photonion GmbH, Schwerin, Germany; (3) British American Tobacco, Southampton, UK
    Photoionization time of flight mass spectrometry (PI-TOFMS) is well suited for on-line characterization of tobacco smoke. Depending on the photoionization method (single photon ionization, SPI or resonance-enhanced multiphoton ionization, REMPI),...
  6. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPT 32

    Hyphenation of a cigarette smoking simulator and a micro-probe between a time-of-flight mass spectrometer for the analysis of pyrolysis and combustion products from a burning cigarette

    HERTZ R.(1); BUSCH C.(1); STREIBEL T.(1,3); LIU C.(2); McADAM K.G.(2); ZIMMERMANN R.(1,3)
    (1) Joint Mass Spectrometry Centre, Chair of Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany; (2) British American Tobacco, Group R&D, Southampton, UK; (3) Joint Mass Spectrometry Centre, Cooperation Group “Analysis of Complex Molecular Systems”, Institute of Ecological Chemistry, Helmholtz Zentrum München – German Research Centre for Environmental Health, Neuherberg, Germany
    The first part of the work addresses a coupling between a cigarette smoking simulator and a time-of-flight mass spectrometer which was constructed to allow the sampling and analysis of fresh tobacco smoke under simulated burning conditions. With...
  7. CORESTA Congress, Edinburgh, 2010, SSPT 20

    Pyrolysis and combustion of tobacco in a cigarette combustion simulator - Analysis by time-of-flight mass spectrometry with soft ionisation

    BUSCH C.; STREIBEL T.; LIU C.; McADAM K.G.; ZIMMERMANN R.
    University of Rostock, Analytical Chemistry, Institute of Chemistry, Rostock, Germany
    The standard methods for analysis of cigarette smoke are mostly offline measurements such as GC-MS. However, tobacco smoke is an extremely complex mixture of particles and vapours, containing thousands of compounds some of which are harmful and can...
  8. CORESTA Congress, Edinburgh, 2010, SSPT 21

    A new application of online sampling with a microprobe inside a burning cigarette coupled with resonance enhanced multi-photon ionization - time of flight mass spectrometry

    HERTZ R.; STREIBEL T.; LIU C.; McADAM K.G.; ZIMMERMANN R.
    University of Rostock, Analytical Chemistry, Institute of Chemistry, Rostock, Germany
    The smoke emitted from burning tobacco comprises over 5000 different substances distributed between particles and vapour phase. Due to the high complexity of cigarette smoke it is challenging to find an analytical real time method which can detect...
  9. CORESTA Meeting, Smoke Science/Product Technology, Aix-en-Provence, 2009, SSPT 33

    A new microprobe construction for in-situ smoke analysis inside a burning cigarette with single photon ionization - time of flight mass spectrometry

    HERTZ R.; STREIBEL T.; LIU Chuan; McADAM K.G.; ZIMMERMANN R.
    University of Rostock, Analytical Chemistry, Institute of Chemistry, Rostock, Germany
    Routine smoke analyses are mostly conducted with offline GC/MS or HPLC methods. However, tobacco smoke is a highly dynamic and extremely complex mixture of aerosol particles and vapour phase compounds. Recently, on-line sampling methods coupled with...
  10. 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...