Developments in ion chromatography using monolithic columns

The focus of this review is on current status and on‐going developments in ion chromatography (IC) using monolithic phases. The use and potential of both silica and polymeric monoliths in IC is discussed, with silica monoliths achieving efficiencies upwards of 105 plates/m for inorganic ions in a fe...

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Bibliographic Details
Published in:Journal of separation science 2007-07, Vol.30 (11), p.1628-1645
Main Authors: Chambers, Stuart D., Glenn, Karen M., Lucy, Charles A.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Ion chromatography
Other chromatographic methods
polymer monoliths
silica monoliths
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Summary:The focus of this review is on current status and on‐going developments in ion chromatography (IC) using monolithic phases. The use and potential of both silica and polymeric monoliths in IC is discussed, with silica monoliths achieving efficiencies upwards of 105 plates/m for inorganic ions in a few minutes or less. Ion exchange capacity can be introduced onto the monolithic columns through the addition of ion interaction reagents to the eluent, coating of the monolith with ionic surfactants or polyelectrolyte latexes, and covalent bonding. The majority of the studies to date have used surfactant‐coated columns, but the stability of surfactant coatings limits this approach. Applications of monolithic IC columns to the separation of inorganic anions and cations are tabulated. Finally, a discussion on the recent commercialization of monolithic IC columns and the use of monolithic phases for IC peripherals such as preconcentrator columns, microextractors and suppressors is presented.
ISSN:1615-9306
1615-9314
DOI:10.1002/jssc.200700090