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, SSPT 18 Analysis of principal and minor alkaloids in tobacco XIE Wenyan; YANG Bin; GU Wenbo; LIU Baizhan Shanghai Tobacco Machinery Co., Ltd., Shanghai, China Nicotine is the principal alkaloid in tobacco, and nornicotine, anabasine, anatabine, myosmine, nicotyrine and 2,3'-dipyridyl are the minor alkaloids in tobacco. Because of their importance, developing a fast and accurate quantitative method to...
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...
Tobacco Science & Technology, 2009, 11, p.15-20, ISSN.1002-0861 Effects of major chemical components in flue-cured tobacco of different flavor types from west Fujian and middle Jiangxi on their smoking quality DOU YU-QING; TANG ZHAO-QI; WANG PING Shanghai Tobacco Machinery Co., Ltd., Shanghai, China In order to find out the difference in chemical composition between tobacco with different flavor types and their effects on smoking quality, 106 flue-cured tobacco samples from west Fujian and middle Jiangxi were analyzed and their smoking quality...
Tobacco Science & Technology, 2009, 5, p. 26, ISSN.1002-0861 Solution to loose-end cigarette caused by packet movement orientation in packer WANG PING; MIAO JIAN; HUANG WEI-HUA Shanghai Tobacco Machinery Co., Ltd., Shanghai, China YB55A film wrapper in ZB45 hard packet packing line working in a rear-inlet arrangement tends to produce more loose-end cigarettes in the packet, because the packets travel to the wrapper with cigarettes' filter ends in the lead, the impact acting on...