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168 results

  1. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 013 (also presented at CORESTA SSPT2019)

    Simultaneous determination analysis of glycerol, proplylene glycol, nicotine, menthol and water by discharge ionization detector on gas chromatography

    SHIMAZU A.; OMORI F.
    Japan Tobacco Inc., Tokyo, Japan
    Several analytical methods for determination of Glycerol (G), Propylene Glycol (PG), Nicotine, Menthol and Water in the aerosol of both e-cigarettes and tobacco vapor products were reported in the past few years. In the methods, those five components...
  2. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 019

    Simulated leachables assessment for critical components used in cartridges of electronic nicotine delivery systems

    CULBERT C.(1); WEIDMAN R.(2)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA
    Electronic Nicotine Delivery Systems (ENDS) contain e-liquid formulations that are heated to generate aerosols. The potential for chemicals to leach from the device materials into the e-liquid and transfer into the aerosol has been an area of...
  3. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 064

    Comparison of two different high-resolution mass spectrometers for untargeted LC/MS analysis of cigarette smoke extracts

    TAKANAMI Y.; KITAMURA N.; ORIKATA N.; TOBITA T.
    Japan Tobacco Inc., Yokohama, Kanagawa, Japan
    Cigarette smoke contains at least 6000 compounds. Comprehensive chemical analysis of this complex mixture is often achieved by untargeted liquid chromatography (LC)/mass spectrometry (MS) analysis, which requires the use of several state-of-art...
  4. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 006

    Qualitative assessment of flavor ingredients in market electronic nicotine delivery systems

    HUDSON A.G.(1); CULBERT C.G.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA; (2) RAI Services Company, Winston-Salem, NC, USA
    As the use of electronic nicotine delivery systems (ENDS) grows, it may be useful to understand the types of flavor compounds that are being added as ingredients to the ENDS currently available on the market. A qualitative analysis of flavor...
  5. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 013

    Method development for pH analysis of ends aerosol and e-liquid

    HEFNER T.(1); ST. CHARLES F.K.(2); ANDERSON J.(3)
    (1) R.J. Reynolds Tobacco Company, Winston Salem, NC, USA; (2) St.Charles Consultancy, Winston Salem, NC, USA; (3) Eurofins Lancaster Labs, Winston Salem, NC, USA
    E-liquids are hygroscopic, non-aqueous liquids containing a small amount of water (~3-15%). When the pH of a non-aqueous liquid is measured using conventional methods and calibration buffers, the value can only be regarded as an "apparent pH". This...