Thermo Fisher, 303148, Dionex™ IonPac™ AS31 Analytical and Guard Columns

Guard Column, 50 mm, 11 μm Achieve faster separation of haloacetic acids (HAAs), bromate, and dalapon in drinking water prior to detection with ion chromatography (IC) and mass spectrometry (MS) with the new Thermo Scientific™ Dionex™ IonPac™ AS31 column. Specifically designed for fast analysis, the Dionex IonPac AS31 provides approximately 39% shorter run times relative to the Dionex IonPac AS24, reducing U. S. EPA Method 557 run time from 57 minutes to approximately 35 minutes. This new hydroxide-selective anion-exchange column has relatively high capacity to allow large loop injections for trace analysis (μg/L) without sample pre-treatment. Anion Exchange Capacity: 1.5 μeq
Column Construction: PEEK
Column Type: Guard Column
Crosslinking: 55% DVB
Column Capacity: 1.5 μeq
Column Chemistry: Hydroxide
Flow Rate: 0.30 to 0.40 mL/min.
For Use With (Application): Anion Exchange
For Use With (Equipment): Dionex IonPac AS31 Microbore Analytical Column
Hydrophobicity: Low
Max. Pressure: 5000 psi (345 bar)
Solvent Compatibility: pH 0 to 14, 0 to 100% Organic Solvents (Acetonitrile, Methanol, 2-Propanol)
Particle Size: 11 μm
Stationary Phase: Microporous Resin
Format: Microbore
Packing Material: Ethylvinylbenzene/Divinylbenzene
Quantity: Each
Length (Metric): 50 mm
Diameter (Metric): 2 mm
Green Features: Responsibly packaged
Unit Size: Each