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....
CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, APPOST 06 Diagnosis of leaf curl and crooked tip diseases on tobacco plants in Tay Ninh Province, Vietnam NGUYEN VAN C.(1); VIET HA C.(2) (1) Vietnam Tobacco Institute, Ha Noi, Vietnam; (2) Vietnam National University of Agriculture, Vietnam Tobacco leaf curl and crooked tip disease causes regular damage in the Tay Ninh Province of Vietnam and resulted in serious tobacco yield and quality loss in 2019. To define exactly the cause of the disease, the Tobacco Institute collected seven...
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., 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,...
CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPT 35 The twenty years of activity of the Asia Collaborative Study SAKAKI T. Tobacco Institute of Japan, Testing Laboratory, Ishioka, Japan The Asia Collaborative Study (ACS) involves proficiency testing of NFDPM and nicotine in mainstream smoke. It was started in 1992 with nine laboratories from six countries when the Asian laboratories numbered only three. This report will explain the...
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, 2005, 21-5, p. 286-93., ISSN.0173-783X An approach to modeling a burning cigarette MURAMATSU M. Tobacco Institute of Japan (TIOJ) Testing Laboratory, Ishioka, Ibaraki, Japan. The temperature and smoke components distributions inside a burning cigarette have been briefly reviewed. Then, focusing on our mathematical model to explain the natural smoldering mechanism of a cigarette and new mathematical models recently...