Title: | Rapid removal of selected volatile organic compounds from gaseous mixtures using a new dispersive vapor extraction technique: a feasibility study |
Address: | "Department of Health and Biomedical Sciences, Florida Hospital College of Health Sciences, Orlando, FL 32803, USA. sebastian.farrell@fhchs.edu" |
DOI: | 10.1016/j.talanta.2010.05.043 |
ISSN/ISBN: | 1873-3573 (Electronic) 0039-9140 (Linking) |
Abstract: | "A new dispersive vapor extraction (DVE) technique for rapid removal of selected volatile organic compounds (VOCs) from gaseous mixtures was investigated. In this technique, less than 1.0 mL of a volatile solvent was vaporized for 8 min in a 250-mL flask containing a gaseous mixture. The flask was then cooled under running tap water for 2-3 min to induce condensation of the vapor and co-extraction of the VOCs from the headspace. The technique was tested over a concentration range of 4-23 ppb, and resulted in extraction efficiencies ranging from 80 to 97% for the VOCs tested. Because of its simplicity and the relatively short sampling time, DVE could potentially lead to high sample throughput and rapid air analysis" |
Keywords: | "Chemistry Techniques, Analytical/methods Feasibility Studies Gases/*chemistry Time Factors Volatile Organic Compounds/*analysis/chemistry Volatilization;" |
Notes: | "MedlineFarrell, E S Pacey, G E eng Netherlands 2010/07/07 Talanta. 2010 Jul 15; 82(2):739-44. doi: 10.1016/j.talanta.2010.05.043. Epub 2010 May 26" |