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Type: Artigo de evento
Title: Field Air Analysis With Solid Phase Microextraction
Author: Koziel J.A.
Augusto F.
Odziemkowski M.
Pawliszyn J.
Abstract: Current methods and field data for air sampling and analysis with solid phase microextraction (SPME) using spot and time-weighted average (TWA) modes were presented. These methods included BTEX, formaldehyde, and total VOC analysis in residential and occupational air. Recent developments in field air sampling with SPME included the theory of rapid air sampling and diffusion-based quantification of VOC in air with adsorptive SPME fiber coatings. This methodology is the fastest VOC air sampling method based on extraction. Novel portable devices were designed and tested to apply this concept to living plant aroma and VOC in occupational air. In addition, SPME fibers were used for sampling and analysis of aerosols and airborne particulate matter from several sources. Experiments were also completed to determine the feasibility of single particle matrix investigations with SPME fibers and Raman micro spectra copy measurements. New experiments are currently conducted to apply the rapid SPME sampling to agricultural odors. Advantages and challenges associated with field air analysis with SPME were discussed.
Rights: fechado
Identifier DOI: 
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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