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,...
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...
Ann. Tabac, 1997, Sect. 2-29, p. 61-72., ISSN.0399-0354 Potential effects of sahelian nematophagous fungi against Meloidogyne mayaguensis on tobacco (Nicotiana tabacum L. var. Paraguay x Claro) DUPONNOIS R.; MATEILLE T.; BA A. ORSTOM, Lab. de Nématologie, Dakar, Sénégal. Tobacco Nicotiana tabacum L. var Paraguay x Claro is susceptible to the root-knot nematode Meloidogyne mayaguensis , which is widesprayed in Senegal. Most of the strains of the nematophagous fungi ( Arthrobotrys oligospora , A. conoides ,...
Bull. ARN, 1989, p. 42-52., ISSN.1146-6200 An apparatus to analyse cigarette smoking DEBROIS P.; ANIAMBOSSOU J.A. CERTTA, Centre d'Essais et de Rech. Tech. Tab., Fleury les Aubrais, France The Centre d'Essais et de Recherches Techniques des Tabacs des Aubrais (C.E.R.T.T.A.) of SEITA has developed an apparatus for measuring and analysing the intrinsic parameters of cigarettes during human smoking. This device can be used in many fields...
Bull. ARN, 1989, p. 14-33., ISSN.1146-6200 Environmental tobacco smoke. Measurement. Consequences for the non-smokers. Experimental study HEE J.; ISOARD P.; MALASPINA J.P. CERTTA, Centre d'Essais et de Rech. Tech. Tab., Fleury les Aubrais, France An experimental study in strictly controlled conditions showed the evolution of tobacco smoke due to time after its emission in the atmosphere. By the time the smoke particles tended to fuse having larger diameters. Transfers between particulate and...