Denudation - A Convenient Method of Isolation and Enrichment of Analytes

A wide variety of analytical techniques can be applied for the determination of trace components of air. Usually, a direct determination of analytes in an air sample is impossible, and a need arises to employ suitable techniques of their isolation and preconcentration, prior to the final determinati...

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Bibliographic Details
Published in:Critical reviews in analytical chemistry 2002-10, Vol.32 (4), p.301-335
Main Authors: Kloskowski, Adam, Pilarczyk, Michal, Namieśnik, Jacek
Format: Article
Language:English
Subjects:
air protection
analyte enrichment
denudation
denuders
physical speciation
trace pollutants
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Summary:A wide variety of analytical techniques can be applied for the determination of trace components of air. Usually, a direct determination of analytes in an air sample is impossible, and a need arises to employ suitable techniques of their isolation and preconcentration, prior to the final determination stage. Any of these techniques may be included into one of the following, basic groups: * dynamic techniques * passive techniques * denudation techniques. For several years, a rapid growth of interest in the denudation techniques has been observed, although their theoretical principles had been known long before, because they facilitate the studies in the physical speciation analytics. The objective of this paper is * presentation of the theoretical principles of denudation techniques, * discussion of the major practical constructions of denuders, * reviewing current range of applications of these techniques.
ISSN:1040-8347
1547-6510
DOI:10.1080/10408340290765588