Resolve a large number of inorganic anions and organic acids in approximately 15 minutes with the Thermo Scientific™ Dionex™ IonPac™ AS11 Analytical & Guard Column. The Dionex IonPac AS11 is a relatively low-capacity column designed for fast gradient screening of inorganic anions and organic acid anions in simple sample matrices such as from foods, beverages, chemical process solutions, wastewaters, brines, and power plant waters.