Search Results

10 results

  1. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 12

    Non-targeted high resolution screening of tobacco for potential contaminants (pesticides and chemical toxins) using UPLC/QTOF-MS

    MERUVA N.(1); McCALL E.(2); CLELAND G.(1); BURGESS J.(1)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.
    In this study a UPLC coupled to high resolution mass spectrometry (QTOF-MS) was used to increase the scope of analysis for multi-residue pesticides and other chemical contaminants in tobacco. Analytical methods for high throughput contaminant screening ...
  2. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 05

    Simultaneous determination of nicotine and related impurities in e-liquids using UPLC-UV-MS

    MERUVA N.(1); BENVENUTI M.(1); McCALL E.(2); CLELAND G.(1); BURGESS J.(1)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.
    A dilute and shoot method for simultaneous determination of nicotine and related impurities in e-liquid formulations by UPLC-UV-MS has been developed for routine QC testing of e-cigarette formulations. Due to the differences in the concentration of ...
  3. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 03

    Determination of tobacco specific nitrosamines (TSNAs) in tobacco and tobacco smoke by GC-MS/MS

    SHAH N.; SMITH T.; FLORA J.W.; MERUVA N.
    Altria Client Services Inc., Richmond, VA, U.S.A.
    NNN (N'-nitrosonornicotine), NNK (4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone), NAB (N'-nitrosoanabasine) and NAT (N'-nitrosoanatabine) are the most common tobacco specific nitrosamines (TSNAs) measured in tobacco and tobacco smoke. ...
  4. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 43

    Nicotine and related impurities in electronic cigarette cartridges: stability studies and methodologies

    FLORA J.W.; MILLER J.; SCHRALL J.; SMITH J.; McFARLANE C.; MERUVA N.
    Altria Client Services Inc., Richmond, VA, U.S.A.
    E-cigarettes, also known as e-vapor products and electronic nicotine delivery systems, are gaining popularity worldwide. The nicotine used in e-cigarette fluids is extracted from tobacco and the purity of the nicotine can vary depending upon manufacturer ...
  5. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 59

    Determination of benzo[a]pyrene in smokeless tobacco products using gas chromatography-mass spectrometry

    HUANG C.B.(1); ADAMS B.(2); WAGNER K.A.(1); MERUVA N.(1)
    (1) Altria Client Services Inc., Richmond, VA, U.S.A.; (2) Eurofins Lancaster Laboratories, Richmond, VA, U.S.A.
    Benzo[a]pyrene (B[a]P) is a Harmful and Potentially Harmful Constituent (HPHC) found in tobacco products. As mandated by the Family Smoking Prevention and Tobacco Control Act, tobacco manufacturers and importers are required to report quantities of HPHCs ...
  6. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 74

    Characterization of electronic cigarette formulations and aerosols

    FLORA J.W.; MERUVA N.; HUANG C.B.; BENNETT D.; BALLENTINE R.; WERLEY M.S.; McKINNEY W.J.
    Altria Client Services Inc., Richmond, VA, U.S.A.
    E-cigarettes, also known as e-vapor products and electronic nicotine delivery systems are gaining popularity in the U.S. and global markets. Currently, limited published data exists on the formulations and chemicals that may be formed during aerosol ...
  7. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 09

    Improved method for determination of tobacco-specific nitrosamines (TSNAs) in tobacco and tobacco smoke by UPLC-MS/MS

    SHAH N.; FLORA J.W.; MERUVA N.
    Altria Client Services Inc., Richmond, VA, U.S.A.
    Tobacco-specific nitrosamines (TSNA) are harmful and potentially harmful constituents (HPHCs) found in tobacco products. In an effort to standardize quantitative analytical methods for TSNA analysis and reporting, CORESTA has published reference methods ...
  8. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 10

    Determination of heterocyclic aromatic amines in cigarette smoke by UPLC-MS/MS

    SHAH N.; JIN C.; AVERY K.; FLORA J.W.; MERUVA N.
    Altria Client Services Inc., Richmond, VA, U.S.A.
    As stated in the Federal Register (Vol. 77, No. 64 / Tuesday, April 3, 2012) Docket No. FDA-2012-N-0143, Heterocyclic Aromatic Amines (HAAs) are included in the “Established List of the Chemicals and Chemical Compounds Identified by the United States Food ...
  9. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 15

    Simultaneous determination of nicotine, propylene glycol, glycerin, menthol, ethanol and water in electronic cigarettes by gas chromatography

    SMITH T.; MERUVA N.
    Altria Client Services Inc., Richmond, VA, U.S.A.
    As e-cigarettes (electronic nicotine delivery systems (ENDS) or e-vapor devices) are gaining popularity in global markets, there is an increasing need for quantitative analytical methods to measure e-cigarette fluid compositions for quality assurance (QA) ...