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70 results

  1. TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 07

    A rigorous extraction methodology for snus: Application of iso 10993-12 guideline to permit thorough in vitro toxicology testing

    BALLANTYNE M.; LLOYD M.; STONE V.
    Covance Laboratories Ltd., Harrogate, North Yorkshire, UK
    Smokeless tobacco products, and in particular snus, are being increasingly considered as Potential Reduced Exposure Products, and in some quarters as smoking cessation products. Although epidemiological evidence from Sweden suggests that snus use is ...
  2. TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 08

    Analysis of pesticides in smokeless tobacco extracts by comprehensive multi-dimensional gas chromatography-time of flight mass spectroscopy (GCxGC-TOFMS)

    BINKLEY J.; PUGH S.
    LECO Corporation, Saint Joseph, MI, USA
    Smokeless tobacco is known to contain several thousand analytes making it an extremely difficult matrix in which to identify pesticide residues. Current methodologies incorporate the use of complex, time consuming sample cleanup techniques to eliminate ...
  3. TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 09

    Determination of nicotine trapping efficiency of Cambridge filters pads using products with different levels of 'tar' smoked at various smoking regimens

    KILBY K.B.; COLLINS T.J.
    R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA
    The purpose of this study was to determine the nicotine trapping efficiency of the Cambridge filter pad (44mm) using cigarettes with different tar levels smoked at various smoke regimens (35/60/2 0% vent block, 45/30/2 50% vent block, and 55/30/2 100% ...