The IonPac^® AS11 was specifically designed for fast, gradient screening of inorganic anions and organic acid anions in simple sample matrices.

• Use the low-capacity AS11 column for the fast analysis of organic acids and inorganic anions in well-characterized samples.
• The AS11 is good for highly charged anions, including polyphosphates, polycarboxylates, and polysulfonates.
• Use the high-capacity AS11-HC column for organic acids and inorganic anions in complex sample matrices or uncharacterized samples.
• The AS16 and AS20 columns are high-capacity columns and are recommended for hydrophobic anions and highly charged anions.
• Simplified Reagent-Free^TM  IC operation is provided by Eluent Generators, or the RFC-30 Controller, which requires only a deionized water source to produce potassium hydroxide eluent.

The IonPac AS11 is a low-capacity, hydroxide-selective, anion-exchange column designed for the fast profiling of inorganic anions and organic acid anions in foods, beverages, chemical process solutions, wastewater, brines, and power plant waters. The AS11 column can resolve a large number of inorganic anions and organic acids in approximately 15 min using a 0.2–38 mM hydroxide gradient at a controlled temperature of 30 °C coupled with suppressed conductivity detection. The AS11 is ideal for the determination of organic acids and inorganic anions at simple concentrations or organic acids in well-characterized samples. The AS11 is recommended for use with Reagent-Free systems using Eluent Generation, or the RFC-30 Controller. Use the Anion Self-Regenerating Suppressor (ASRS^® ULTRA) with the AS11 column.