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Thermo Scientific Dionex IonPac AS22 Carbonate Eluent Anion-Exchange Column

Fast Analysis of Common Inorganic Anions

Designed specifically for compliance monitoring of inorganic anions in accordance with U.S. EPA Method 300.0 (A) and 300.1, the Thermo Scientific Dionex IonPac AS22 column represents the culmination of more than 20 years of column development, and is a key complement to our award-winning Reagent-Free IC (RFIC™) system. And now the Dionex IonPac AS22 column is available in capillary format. The Dionex IonPac AS22 Capillary column is packed with the same material as the equivalent standard bore version (providing the same performance as a 4 mm column), but requires only 1/100th the eluent flow rate. The capillary format provides the advantage of significantly reduced eluent consumption, which helps reduce operating costs.

  • Fast isocratic separation of the common inorganic anions in 8 minutes
  • Isocratic separation of inorganic anions in complex sample matrices in 12 minutes
  • Carbonate peak well-resolved from the common inorganic anions
  • Meets performance requirements specified in U.S. EPA Method 300.0 (A)
  • Ideal alternative for Dionex IonPac AS4A-SC, AS12A, AS14, and AS14A inorganic anion applications
  • Simple, accurate eluent preparation with the Dionex IonPac AS22 Eluent Concentrate
  • Optimized for a 30 °C operating temperature to ensure reproducible retention times

The Dionex IonPac AS22 column is designed for the determination of inorganic anions and low molecular weight organic acids including fluoride, acetate, formate, chloride, nitrite, bromide, nitrate, phosphate, and sulfate. The Dionex IonPac AS22 column can be used with isocratic carbonate/bicarbonate eluents and suppressed conductivity detection. Common inorganic anions can easily be separated in a variety of sample matrices including drinking water, wastewater, process streams, and scrubber solutions. 

The Dionex IonPac AS22 column can be used in combination with the Eluent Generator and the Electrolytic pH Modifier (EPM) which automatically produce potassium carbonate/bicarbonate eluents from water. The Dionex IonPac AS22 column is the newest carbonate eluent column recommended for fast analysis of inorganic anions and is an ideal alternative, using carbonate-bicarbonate eluents, for Dionex IonPac AS4A-SC, AS12A, AS14, and AS14A inorganic anion applications.

Note: Use the Thermo Scientific Dionex ASRS 300 Anion Self-Regenerating Suppressor with the Dionex IonPac AS22 column for eluent suppression.