Passive air sampling theory for semivolatile organic compounds

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Title Passive air sampling theory for semivolatile organic compounds
Author Bartkow, Michael E.; Booij, Kees; Kennedy, Karen E.; Muller, Jochen F.; Hawker, Darryl William
Journal Name Chemosphere
Year Published 2005
Place of publication Oxford, UK
Publisher Pergamon Press
Abstract The mathematical modelling underlying passive air sampling theory can be based on mass transfer coefficients or rate constants. Generally, these models have not been inter-related. Starting with basic models, the exchange of chemicals between the gaseous phase and the sampler is developed using mass transfer coefficients and rate constants. Importantly, the inter-relationships between the approaches are demonstrated by relating uptake rate constants and loss rate constants to mass transfer coefficients when either sampler-side or air-side resistance is dominating chemical exchange. The influence of sampler area and sampler volume on chemical exchange is discussed in general terms and as they relate to frequently used parameters such as sampling rates and time to equilibrium. Where air-side or sampler-side resistance dominates, an increase in the surface area of the sampler will increase sampling rates. Sampling rates are not related to the sampler/air partition coefficient (KSV) when air-side resistance dominates and increase with KSV when sampler-side resistance dominates.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/wps/find/journaldescription.cws_home/362/description#description
Copyright Statement Copyright 2005 Elsevier : Reproduced in accordance with the copyright policy of the publisher : This journal is available online - use hypertext links.
Volume 60
Page from 170
Page to 176
ISSN 0045-6535
Date Accessioned 2006-01-10
Date Available 2007-03-19T21:48:32Z
Language en_AU
Faculty Faculty of Environmental Sciences
Subject Environmental Chemistry (incl. Atmospheric Chemistry)
URI http://hdl.handle.net/10072/4441
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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