Hydroxide-Selective Anion-Exchange Ic Columns

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Dionex™ IonPac™ AS24A Capillary, Analytical & Guard Columns Thermo Scientific™

Separate haloacetic acids and bromate in drinking water samples with high sensitivity using the Thermo Scientific™ Dionex™ IonPac™ AS24A column. When this high-capacity hydroxide-selective anion-exchange column is used for the first dimension of separation in the two dimensional IC (2D-IC) method, low µg/L (ppb) levels of haloacetic acids can be detected. The Dionex IonPac AS24A column is also ideal for the development of specialized applications, providing excellent separation of environmental anions including inorganic anions, oxyhalides, oxyanions, and organic acids in complex matrices.

Dionex™ IonPac™ AS11 IC Columns Thermo Scientific™

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.

Dionex™ IonPac™ AS18 IC Columns, 4 x 250mm Thermo Scientific™

Monitor inorganic anions in drinking water and wastewater samples for compliance with U.S. EPA Methods 300.0 (A) and 300.1 with Thermo Scientific™ Dionex™ IonPac™ AS18 Hydroxide-Selective Anion-Exchange Analytical Columns. New to this column's product line are the IonPac AS18 Capillary and the AS18-Fast Capillary and Analytical columns, which offer the same selectivity as the AS18 analytical scale columns with the advantage of reduced eluent consumption, which lowers operating costs.

Dionex™ IonPac™ AS25 Capillary, Analytical & Guard Columns, 2 x 250mm Thermo Scientific™

Separate multivalent and polarizable anions in 25 minutes without solvents using the Thermo Scientific™ Dionex IonPac AS25 column. This high-capacity, hydroxide-selective, anion-exchange column is ideal for the determination of sulfur species in complex matrices such as food and beverage samples as well as wastewater effluents from the industrial, chemical, and petrochemical industries. This column delivers fast, simple separation of polarizable anions, including thiosulfate, iodide, thiocyanate, and perchlorate. For the best peak shape of polarizable anions, use the Thermo Scientific™ Dionex™ IonPac™ AS16 column or the Thermo Scientific™ Dionex™ IonPac AS20 column.

Dionex™ IonPac™ AS20 IC Columns, 4 x 250mm Thermo Scientific™

Simplify trace analysis of perchlorate in drinking water, surface water, and groundwater matrices using the Thermo Scientific™ Dionex IonPac AS20 hydroxide-selective anion-exchange column. The capacity and selectivity of this column ensures that perchlorate can be quantified at low µg/L concentrations using suppressed conductivity detection, even in the presence of very high concentrations of chloride, carbonate, and sulfate. This column is specified in U.S. EPA Method 314.1 for the determination of trace perchlorate in drinking water (Confirmatory Method) after sample preconcentration.

Dionex™ IonPac™ AS19-4µm IC Columns Thermo Scientific™

Achieve high resolution separations of trace oxyhalides and inorganic anions in drinking water using the Thermo Scientific™ Dionex™ IonPac™ AS19-4µm hydroxide-selective anion-exchange column. Its high resolution, high capacity and selectivity allow the determination of bromate in drinking water at the low-μg/L level. Compared to the previous Dionex IonPac AS19 column, this anion-exchange column uses smaller resin particles for more efficient separations resulting in more accurate peak integration and more reliable results.

Dionex™ IonPac™ AS24 Analytical & Guard Columns Thermo Scientific™

Separate haloacetic acids and bromate in drinking water samples with the Thermo Scientific™ Dionex™ IonPac™ AS24 Analytical & Guard Columns. This high-capacity hydroxide-selective anion-exchange column was developed specifically for the separation of haloacetic acids and bromate in drinking water prior to detection with mass spectrometry. The 2x250mm format is the column specified in U.S. EPA Method 557. The capacity and selectivity of the Dionex IonPac AS24 column enables analysis of haloacetic acids in drinking water at low-µg/L (ppb) concentrations. The column is also ideal for the development of specialized applications, providing excellent separation of environmental anions including inorganic anions, oxyhalides, oxyanions, and organic acids in complex matrices.

Dionex™ IonPac™ AS18 IC Columns Thermo Scientific™

Use these longer 250mm Thermo Scientific™ Dionex™ IonPac™ AS18 columns higher resolution separations of more complex sample matrices. Dionex IonPac AS18 columns are high capacity hydroxide-selective anion-exchange columns. They are the column of choice for monitoring inorganic anions in drinking water and wastewater samples for compliance with U.S. EPA Methods 300.0 (A) and 300.1. This column is also recommended when separating the common inorganic anions and low-molecular weight organic acids in diverse sample matrices including drinking water, wastewater, leachates, foods, beverages, pharmaceutical preparations, and scrubber solutions.

Dionex™ IonPac™ AS25 Capillary, Analytical & Guard Columns Thermo Scientific™

Separate multivalent and polarizable anions in 25 minutes without solvents using the Thermo Scientific™ Dionex™ IonPac™  AS25 column. This high-capacity, hydroxide-selective, anion-exchange column is ideal for the determination of sulfur species in complex matrices such as food and beverage samples as well as wastewater effluents from the industrial, chemical, and petrochemical industries. This column delivers fast, simple separation of polarizable anions, including thiosulfate, iodide, thiocyanate, and perchlorate. For the best peak shape of polarizable anions, use the Thermo Scientific™ Dionex™ IonPac™ AS16 column or the Thermo Scientific™ Dionex™ IonPac AS20 column.

Dionex™ IonPac™ AS18-Fast-4µm IC Columns Thermo Scientific™

Attain the optimal combination of chromatographic speed and resolution using the new Thermo Scientific™ Dionex™ IonPac™ AS18-Fast-4µm anion-exchange column. This high-capacity, high-efficiency column provides excellent resolution of inorganic anions in diverse sample matrices. This is the hydroxide-selective column of choice for fastest compliance monitoring of inorganic anions in drinking water and wastewater samples in accordance with U.S. EPA Methods 300.0 (A) and 300.1. Compared to the Thermo Scientific™ Dionex™ IonPac™ AS18-Fast column, the new Dionex IonPac AS18-Fast-4µm anion-exchange column uses smaller resin particles for more efficient peaks resulting in faster run times, more accurate peak integration, and more reliable results.

Dionex™ IonPac™ AS16 IC Columns Thermo Scientific™

Measure trace perchlorate and other highly polarizable anions quickly and accurately in a variety of water matrices with the Thermo Scientific™ Dionex™ IonPac™ AS16 Capillary, Analytical & Guard Columns . This column simplifies the determination of polarizable anions, including thiosulfate, iodide, thiocyanate, and perchlorate using an isocratic hydroxide eluent. It is ideally suited for determination of trace perchlorate in drinking water in accordance with U.S. EPA Methods 314.0 and 314.1 (Primary Method).

Dionex™ IonPac™ AS20 IC Columns Thermo Scientific™

Simplify trace analysis of perchlorate in drinking water, surface water, and groundwater matrices using the Thermo Scientific™ Dionex™ IonPac™ AS20 Capillary, Analytical & Guard Columns. The capacity and selectivity of this column ensures that perchlorate can be quantified at low µg/L concentrations using suppressed conductivity detection, even in the presence of very high concentrations of chloride, carbonate, and sulfate. This column is specified in U.S. EPA Method 314.1 for the determination of trace perchlorate in drinking water (Confirmatory Method) after sample preconcentration.

Dionex™ IonPac™ AS21 IC Columns, AS21, 2 x 250mm Thermo Scientific™

When you need to quickly separate perchlorate in drinking water prior to detection with MS/MS, the Thermo Scientific™ Dionex IonPac AS21 hydroxide-selective anion-exchange column is column of choice. This column is specifically listed in U.S. EPA Method 331.0. The column's capacity and selectivity enable fast analysis of perchlorate at low µg/L concentrations. In addition, the 2x250 mm column format was designed and optimized for LC-MS or LC-MS/MS compatibility to facilitate use of volatile mobile phases such as methylamine.

Dionex™ IonPac™ AS18 IC Columns, 2 x 250mm Thermo Scientific™

Monitor inorganic anions in drinking water and wastewater samples for compliance with U.S. EPA Methods 300.0 (A) and 300.1 with Thermo Scientific™ Dionex™ IonPac™ AS18 Hydroxide-Selective Anion-Exchange Analytical Columns. New to this column's product line are the IonPac AS18 Capillary and the AS18-Fast Capillary and Analytical columns, which offer the same selectivity as the AS18 analytical scale columns with the advantage of reduced eluent consumption, which lowers operating costs.

Dionex™ IonSwift™ MAX-100 Analytical & Guard Columns Thermo Scientific™

Separate organic acids and inorganic anions in complex matrices in approximately 25 minutes using the Thermo Scientific™ Dionex™ IonSwift™ MAX-100 Anion-Exchange column. Dionex IonSwift columns use monolith media, which is uniquely designed and engineered for fast separation of small molecules, including organic acids and inorganic anions. The Dionex IonSwift MAX-100 column is designed to provide high-speed, high-resolution gradient separations of organic acids and inorganic anions in diverse matrices including foods, beverages, process solutions, and wastewaters. For highest ion exchange capacity and best resolution, the Thermo Scientific™ Dionex™ IonPac™ AS11-HC-4µm column is recommended.
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