TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 00 (Symposium) Changes in the tobacco industry: 75 years of TSRC WILLIAMSON F. Global Laboratory Services, Wilson, NC, USA Abstract not available....
TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 058 USP elemental impurities: limit test for metals in nicotine by ICP-MS LOTFI H.; ARROYO M. Global Laboratory Services, Wilson, NC, USA Nicotine included in e-cigarette formulations usually originates as a 90%+ solution, which is purified further prior to use. While the FDA oversees the tobacco industry, there is currently little regulation regarding the quality of raw materials or...
TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 109 An improved method for the determination of sodium propionate in tobacco products WILLIAMSON F.; BAILEY J. Global Laboratory Services, Wilson, NC, USA Sodium propionate is a preservative with fungicidal properties that is often added to tobacco, primarily smokeless tobacco products, to prolong shelf life. Several regulatory agencies, including Health Canada and ANVISA, require the testing of sodium...
CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 32 CPA residue levels in consecutive C48 cases of Oriental tobacco WESTBERG H.; SPENCER A. Global Laboratory Services, Wilson, NC, U.S.A. Crop protection agents (CPA) can be applied to tobacco at various stages of the production cycle and if CPA residues are present in the product, they can be topic of concern. After tobacco is processed it is normally packed into cases or bales for...
TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 48 Method development and validation of selected metals in e-liquid samples BROWN J. Global Laboratory Services, Inc., Wilson, NC USA Over the past several years, the use of electronic cigarettes and devices has increased. Analysis of Harmful and Potentially Harmful Constituents is at a forefront in both the conventional and electronic cigarette industries. The analysis of various...
TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 67 Determining an e-cigarette puff regime that delivers the most consistant TPM across the broadest range of catromizer designs CONNOR M. Borgwaldt KC Inc., Richmond, Virginia, USA Expanding on the initial study conducted in 2013 that establish a base line of effects on TPM yields of various e-cigarette designs with varied puff shape, duration, volume and interval. The latest investigation identifies how six different...
TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 08 Comparison of auto analyzer methods: discrete vs continuous flow. THURSTON D. Global Laboratory Services, Inc., Wilson, NC, USA Chloride, Sugar, Alkaloids, and Nitrate results were compared using a discrete analyzer and a continuous flow auto analyzer. The new generation discrete analyzers are more automated than the continuous flow auto analyzers. In our initial assessment,...
TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 10 TSNA method comparison using UHPLC-MS/MS MATHIS J.A.; PO YING YEUNG Global Laboratory Services, Wilson, NC, USA. Method development and optimization was performed for the quantification of tobacco specific nitrosoamines (TSNAs) in tobacco leaf. The objective was to shorten run time and compare the new method to the previous method. The evaluation of method...
Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2008, 23-1, p. 46-62., ISSN.0173-783X Mathematical modeling of a lit-end cigarette: puffing cycle and effects of puff counts SAIDI M.S.; MHAISEKAR A.; HAJALIGOL M.R. Saidi Partnership, Richmond, VA, USA The burning cycles of a lit-end cigarette were numerically simulated using a 3-D model that includes both the cigarette and its surrounding ambient air and the effects of buoyancy forces. The solid and gas phases were treated separately in a...
CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, PPOST 08 Focus WP (clothianidin), new neonicotinoid insecticide for tobacco crop PERETTO A.J.; FERREIRA A.; MULLER A.L. Hokko do Brasil, Dept. of R&D, São Paulo - SP - Brazil. Clothianidin is a new insecticide belonging to neonicotinoid class, developed by Hokko do Brasil, as Focus WP, for tobacco and other crops. Focus WP is a systemic insecticide with very good translocation from root to the shoot through xylem. It can...