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Iminodiacetic acid functionalised monolithic silica chelating ion exchanger for rapid determination of alkaline earth metal ions in high ionic strength samples

Citation

Sugrue, E and Nesterenko, PN and Paull B, B, Iminodiacetic acid functionalised monolithic silica chelating ion exchanger for rapid determination of alkaline earth metal ions in high ionic strength samples, The Analyst, 128, (5) pp. 417-420. ISSN 0003-2654 (2003) [Refereed Article]


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Royal Society of Chemistry 2003

DOI: doi:10.1039/b303467d

Abstract

Iminodiacetic acid has been covalently bonded to a bare silica monolith to produce the first reported high-performance monolithic chelating ion exchange column. Using the new column, separation and determination of traces of alkaline earth metal ions (low ppm) in high ionic strength samples (up to 2 M NaCl and KCl brines), could be achieved in under 40 s. At an eluent flow rate of 4 mL min1 retention time precision was <1.2%(n= 9) for Mg(II) and Ca(II), with detector linearity (n= 5) over the range 210 mg L1 of between R2= 0.985 and R2= 0.995. In 1 M KCl and NaCl brine samples, detection limits of 0.2 mg L1 were possible.

Item Details

Item Type:Refereed Article
Research Division:Chemical Sciences
Research Group:Analytical Chemistry
Research Field:Separation Science
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:Nesterenko, PN (Professor Pavel Nesterenko)
ID Code:47532
Year Published:2003
Web of Science® Times Cited:37
Deposited By:Chemistry
Deposited On:2007-09-18
Last Modified:2010-03-16
Downloads:0

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