Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
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Solid-Phase Extraction on Alkyl-bonded Silica Gels in Inorganic Analysis
Boris Ya. SPIVAKOVGalina I. MALOFEEVAOleg M. PETRUKHIN
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2006 Volume 22 Issue 4 Pages 503-519

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Abstract

Solid-phase extraction (SPE) is an effective tool for the preconcentration of trace elements and their separation from various sample constituents. Octadecyl and other alkyl-bonded silica gels are most widely used for these purposes. The fundamentals of the SPE of inorganic ions are reviewed and compared with those of related techniques (liquid-liquid extraction and reversed-phase liquid chromatography). The extraction of ions in the form of chelate compounds, inorganic salts solvated by neutral reagents, and ion-pair compounds is considered. Numerous applications of SPE to the separation and preconcentration of different elements and their species, including on-line combinations with instrumental determination techniques, are described and tabulated.

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© 2006 by The Japan Society for Analytical Chemistry
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