Comparison of Ion Chromatography and Isotachophoresis for the Determination of Selected Anions in Atmospheric Wet Deposition Samples
Kamila Klimaszewska1, Piotr Konieczka1, Żaneta Polkowska1, Tadeusz Górecki2, Jacek Namieśnik1
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1Department of Analytical Chemistry, Chemical Faculty, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
2Department of Chemistry, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
Pol. J. Environ. Stud. 2010;19(1):93-99
Isotachophoresis using coupled capillaries (ITP) and ion chromatography (IC) – two analytical procedures for the determination of anions in atmospheric wet deposition – were compared. Both techniques were used for the determination of anions in small volume samples of dew, rime and fog deposition. IC was characterized by lower limits of detection and quantitation. The wide dynamic range of the technique made it suitable for accurate and precise determination of the analytes in samples of widely different matrices and analyte levels. No significant differences were observed between the two techniques in terms of time- and labor intensity.
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