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....
49th TWC, Tob. Work. Conf., 2020, abstr. 08 Changes in tobacco farming in Maryland and Pennsylvania BEALE B.(1); GRAYBILL J.(2) (1) University of Maryland, Cooperative Extension, Leonardtown, MD USA; (2) Penn State Extension, Lancaster, PA USA Reference only. Abstract submission was on a voluntary basis....
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...
48th TWC, Tob. Work. Conf., 2018, abstr. 05 Performance of alternative nitrogen source/fertility programs for Burley tobacco in Maryland BEALE B. University of Maryland, Leonardtown MD USA In Maryland, the availability and handling requirements of many traditional nitrogen and potassium sources, such as ammonium nitrate and potassium nitrate is limited, increasing their cost and reducing their practicality of use. Fertilizer...
48th TWC, Tob. Work. Conf., 2018, abstr. 43 Performance of fungicides and varietal resistance for the management of Black Shank in the southern Maryland region BEALE B. University of Maryland, Leonardtown MD USA A field trial was conducted for two years during the 2015 and 2016 growing season in a field with high levels of black shank (Phytophthora parasiticia). The 2015 study examined the effect of Ridomil Gold (mefenoxam) and Presidio (fluopicolide)...
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,...
44th TWC, Tob. Work. Conf., 2010, abstr. 14 Trickle irrigation studies on Burley tobacco in Maryland CONRAD D.L. University of Maryland, Upper Marlboro, MD, USA Maryland tobacco growers transitioned from Maryland type 32 to Burley type 31 tobacco in 2005. Research on trickle irrigation began in 2005 with studies on irrigation rate and T-tape placement on TN90LC. Trickl-eez T-tape selected to deliver 0.17,...