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Anions

The analysis of common anions in environmental water samples is one of the most frequently used applications of Dionex ion chromatography systems in the past 25 years. The environmental testing industry makes wide use of ion-exchange separation of fluoride, chloride, nitrate, sulfate, bromide, nitrate, and phosphate by suppressed conductivity using EPA, ASTM, and ISO methods. Of these methods, EPA Method 300.0 (Part A) and 300.1 (Part A) are among the most-referenced IC methods.