Issue 2, 2004
From the journal:

Journal of Environmental Monitoring

Comparison of analytical results for chloride, sulfate and nitrate obtained from adjacent ice core samples by two ion chromatographic methods

T. Kekonen,*ab   P. Perämäkib  and  J. C. Moorea  

* Corresponding authors

a Arctic Centre, University of Lapland, P.O. Box 122, FIN-96101 Rovaniemi, Finland
E-mail: teija.kekonen@oulu.fi
Fax: +358-8-5531603

b Department of Chemistry, University of Oulu, P.O. Box 3000, FIN-90014 Oulu, Finland

Abstract

The anions chloride, sulfate and nitrate in nearly 500 pairs of ice core samples from the same depth were determined in a 121 m long ice core from Svalbard. The analyses were performed separately using an ion chromatograph with Dionex AS9 and AS15 columns with Na2CO3 and NaOH eluents. Results showed a small (5–6 µg l−1) but statistically significant difference in mean concentrations for chloride and sulfate but not for nitrate. 2% of the data indicate real differences in concentrations across the ice core. Despite these differences ion information in ice core layers are comparable for ice core paleoclimate and environmental studies even though analyses are made using two different procedures.

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Article information

DOI
https://doi.org/10.1039/B306621E
Article type
Paper
Submitted
10 Jun 2003
Accepted
06 Nov 2003
First published
15 Dec 2003

J. Environ. Monit., 2004,6, 147-152

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Comparison of analytical results for chloride, sulfate and nitrate obtained from adjacent ice core samples by two ion chromatographic methods

T. Kekonen, P. Perämäki and J. C. Moore, J. Environ. Monit., 2004, 6, 147 DOI: 10.1039/B306621E

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