Abstract

An ion chromatographic configuration including column switching and gradient elution was used for the determination of major cations (Na +, Ca 2+, Mg 2+, K +, NH 4 +) and anions (Cl −, NO 2 −, NO 3 −, SO 4 2−) in fog water samples. The results showed that ion-exchange chromatography compares very well with the more generally used spectroscopic techniques for cation determinations. Detection limits range from 6 μg/l (Na +) to 40 μg/l (K +). Precise and accurate analysis of natural fog water samples can be performed with cost and time savings in comparison with other techniques.

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