50th TWC, Tob. Work. Conf., 2022, abstr. 01
Tobacco in society
ITG Brands, USA
Reference only. Abstract submission was on a voluntary basis....
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TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 125
Pharmacokinetics of freebase nicotine and nicotine salts following subcutaneous administration in rats
China National Tobacco Quality Supervision and Test Center, Zhengzhou, Henan, ChinaObjectives: Nicotine lactate, nicotine tartrate, nicotine benzoate and freebase nicotine (FBN) are four forms of nicotine delivery systems presented or used in tobacco products, for example, e-liquids for electronic cigarettes. So, compare their... -
TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 77
Analysis of aromatic aldehydes in e-vapor products by GC-MS/MS
ITG Brands, Greensboro, NC, USAAromatic aldehydes (furfural, benzaldehyde, cinnamaldehyde, ethyl vanillin, and vanillin) are of interest for e-vapor products testing based on recent guidance from FDA‐CTP. There are limited reports of direct application methods that include each of... -
TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 78
Analysis of glycidol in e-vapor products by GC-MS
ITG Brands, Greensboro, NC, USAGlycidol is of interest for e-vapor products testing based on guidance from FDA-CTP. Some recently reported methods involve direct-inject sample preparation followed by GC-MS analysis with limited sensitivity and selectivity. Other methods offer good... -
TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 79
Analysis of selected organic acids in e-liquids by ion chromatography
ITG Brands, Greensboro, NC, USAAt the 2021 CORESTA Smoke-Techno Conference, we presented a novel method for the quantitation of four organic acids (formic acid, acetic acid, propionic acid and lactic acid) by ion chromatography in e-vapor products. Herein, and following from that... -
CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 22
Analysis of organic acids in e-vapor products by ion chromatography
ITG Brands, LLC, Greensboro, NC, U.S.A.Organic acids (formic acid, acetic acid, propionic acid and lactic acid) are of interest for e-vapor products testing, especially propionic acid which is included in guidance from US Food and Drug Administration Center for Tobacco Products (FDA-CTP).... -
CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 23
A quicker method for the analysis of ammonia in cigarette smoke by ion chromatography
ITG Brands, LLC, Greensboro, NC, U.S.A.In 2019 at the TSRC, we presented a quicker and robust method using a Dionex CS18 column for the analysis of ammonia in e-cigarette aerosols and e-liquids by ion chromatography. The method has a short run time of 13 minutes (including equilibrating... -
TSRC, Tob. Sci. Res. Conf., 2021, 74, abstr. 09
Analysis of organic acetates in e-vapor products by GC-MS/MS
ITG Brands, LLC, Greensboro, NC, USAOrganic acetates (methyl acetate, ethyl acetate, isobutyl acetate, isoamyl acetate and benzyl acetate) are flavorants and are of interest for E-vapor products testing based on recent guidance from FDA-CTP. A review of the literature shows few, if... -
TSRC, Tob. Sci. Res. Conf., 2021, 74, abstr. 54
Evaluation of gaseous phase nicotine in e-liquid nicotine salts in e-cigarette aerosols
(1) ITG Brands, Greensboro, NC, USA; (2) Imperial Brands-Lab Network, Hamburg, Germany; (3) Imperial Brands-Nerudia, Liverpool, UKNicotine is a key component in many e-cigarette formulations and during the vaping process, nicotine exists in both the gaseous phase and aerosol phase. There are two type of vaping techniques- mouth-to lung (MTL) and direct-to-lung (DTL). The... -
CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 03
Method development for the analysis of mono-carbonyl compounds in e-vapor products by LC-MS
ITG Brands and Fontem USA, Greensboro, NC, U.S.A.At the 73rd Tobacco Science Research Conference (TSRC), we presented a novel method for quantitation by LC-MS of mono-carbonyl compounds in e-vapor product aerosol samples. The method is simple and robust with good recoveries. We have since extended...