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...
Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 43, APTS5, ISSN.0525-6240 Disinfestation of the cigarette beetle during cigarette manufacture WILSON T.I. W.D. & H.O. Wills, Pagewood, Australia. The cigarette beetle, Lasioderma serricorne, is the principal insect pest of cured tobacco and tobacco products. The beetle occurs worldwide in warm, temperate and tropical areas and infests a broad range of animal and vegetable products. The object...
Bull. Spec. CORESTA Congress, Manila, 1980, p. 128, ST02, ISSN.0525-6240 The application of near infrared reflectance spectroscopy to the analysis of moisture, nicotine, sugars and stem in tobacco blends DOWNS C.R.; LONG T.M. W.D. & H.O. Wills, Bristol, UK Near-IR reflectance techniques are widely used in the grain and animal feed industries to measure a number of plant material constituents. A near-IR method, using a Technicon Infra Analyser 400 spectrometer, was developed to measure the nicotine,...
Tob. Sci., 1978, 22-23, p. 81-83, ISSN. 0082-4523 A method for the prediction of smoke particulate matter yields from ground tobacco analyses LONG T.M.; WILSON W.L. W.D. & H.O. Wills, Hartclifte, Bristol, U.K.; Imperial Tobacco Limited, American Leaf Organization, P.O. Box 1848, Wilson, North Carolina USA Pre-conditioned tobacco was milled and sieved between 500-650 pm particle sizes, conditioned at 61% relative humidity and 21°C, and pyrolysed in a glass tube heated to 640°C in a current of air adjusted to a flow-rate of 1.25 litres per minute....