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Probing the kinetic performance limits for ion chromatography. II. Gradient conditions for small ions by Tim J. Causon; Emily F. Hilder; Robert A. Shellie; Paul R. Haddad is a Chemistry article available to read on EtoBox.

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A gradient kinetic plot method is used for theoretical characterisation of the performance of polymeric particulate anion exchange columns for gradient separations of small inorganic anions. The method employed requires only information obtained from a series of isocratic column performance measurements and in silico predictions of retention time and peak width under gradient conditions. Results obtained under practically constrained conditions provide parameters for the generation of high peak capacities and rapid peak production for fast analysis to be determined. Using this prediction method, a maximum theoretical peak capacity of 84 could be used to achieve separation of 26 components using a 120min gradient (R(s)>1). This approach provides a highly convenient tool for development of both mono- and multidimensional ion chromatography (IC) methodologies as it yields comprehensive understanding of the influence of gradient slope, analysis time, column length and temperature upon kinetically optimised gradient performance.

Who reads Probing the kinetic performance limits for ion chromatography. II. Gradient conditions for small ions?

Author

Tim J. Causon; Emily F. Hilder; Robert A. Shellie; Paul R. Haddad

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1873-3778)

Published

2010

Language

EN

Field

Chemistry (Physical Sciences)