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., 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, Edinburgh, 2010, SSPTPOST 16 Study of technological and chemical characteristics of processed tobacco in various bulk-curing Guilan NAZARI JALALI M. Guilan Tobacco Research Center, Rasht, Iran. To study the effect of different bulk curings for tobacco drying on chemical and technological properties of tobacco Coker 347 in Guilan, a plan was implemented in the design of factorial randomized complete block with 3 replications. The project was...
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...
CORESTA Congress, Shanghai, 2008, APPOST 21 Integrated management of plant nutrition by using Azotobacter and its role in tobacco yield and quality SABETI M.A.; FALLAH A.; JABARZADEH A. Guilan Tobacco Research Center, Rasht, Iran. Widespread usage of biological fertilizers has been emphasized as one of the vital necessities for a sustainable agriculture system. Azotobacter crococom is a free living bacteria which converts molecular nitrogen of air and synthesizes hormones of...
CORESTA Congress, Paris, 2006, AP 09 Effect of natural zeolite application and K2O on yield and quality of tobacco (Nicotiana tabacum Var. Coker 347) RANJBAR M.; ALLIZADEH N.S.; ESFAHANY M.; KAVOUSI M. Guilan Tobacco Research Center, Rasht, Iran. Many reports have described that natural zeolite have many useful properties, such as high Cation Exchange Capacity (CEC=1-4 meq / 100 gr), ability of absorption and emission of water, ability of ammonium absorption and inhibiting of nitrate leaching...