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Determination of beryllium in a stream sediment by high performance chelation ion chromatography

Citation

Shaw, M and Hill, SJ and Jones, P and Nesterenko, PN, Determination of beryllium in a stream sediment by high performance chelation ion chromatography, J Chromatogr A, 876, (1-2) pp. 127-133. ISSN 0021-9673 (2000) [Refereed Article]

DOI: doi:10.1016/S0021-9673(00)00158-8

Abstract

High-performance chelation ion chromatography (HPCIC), involving a chelating silica substrate bonded with aminomethylphosphonic acid, has been developed as a novel technique for the quantitative determination of beryllium in complex matrices. An isocratic separation method, using an eluent containing 1 M KNO3, 0.5 M HNO3 and 0.08 M ascorbic acid, allowed the Be2+ to elute away from the sample matrix peak in under 6 min in a sample containing in excess of 800 mg l-1 matrix metals. A detection limit of 35 μg l-1 Be(II) was found using a post-column reaction involving Chrome Azurol S (CAS), 1 M hexamine and 10 mM EDTA buffered at pH 6. The standard addition curve gave excellent linearity (R2>0.999). The procedure was applied to the determination of trace beryllium in a certified sediment sample. The results obtained compared well with the certified value for beryllium. Copyright (C) 2000 Elsevier Science B.V.

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:Shaw, M (Dr Matt Shaw)
ID Code:19490
Year Published:2000
Web of Science® Times Cited:27
Deposited By:Chemistry
Deposited On:2000-08-01
Last Modified:2011-08-04
Downloads:0

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