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          廣州尖分科學(xué)儀器有限公司>>戴安 Dionex>>IC and RFIC Columns>> Dionex IonPac AS22-Fast-4µm Carbonate Eluent

          Dionex IonPac AS22-Fast-4µm Carbonate Eluent

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          Dionex IonPac AS22-Fast-4µm Carbonate Eluent Anion-Exchange ColumnAttain the optimal combination of speed and resolution using the new Thermo

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          Fast, High Resolution Analysis of Common Inorganic Anions

          Attain the optimal combination of speed and resolution using the new Thermo Scientific Dionex IonPac AS22-Fast-4µm anion-exchange column. This moderate capacity, high efficiency column provides excellent resolution of inorganic anions in environmental matrices. Compared to the previous Dionex IonPac AS22-Fast column, the new anion-exchange column uses smaller resin particles for more efficient separations resulting in faster run times, more accurate peak integration and more reliable results. Designed specifically for compliance monitoring of inorganic anions in accordance with U.S. EPA Method 300.0 (A) and 300.1, the Dionex IonPac AS22-Fast-4µm column represents the culmination of more than 25 years of column development, and is a key complement to our award-winning Reagent-Free IC system.

          • Fast, high resolution isocratic separation of the common inorganic anions in under 5 minutes

          • Carbonate peak well-resolved from the common inorganic anions

          • Same selectivity as the Dionex IonPac AS22-Fast column

          • Meets performance requirements specified in US EPA Method 300.0 (A) and 300.1

          • Fast alternative for Dionex IonPac AS4A-SC, AS12A, AS14, AS14A, and AS22 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-Fast-4µm column is designed for the fast 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-Fast-4µm 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-Fast-4µm can be used in combination with the new Eluent Generator, (Thermo Scientific Dionex EGC 500 K2CO3 Cartridge) and the Electrolytic pH Modifier (Thermo Scientific Dionex EPM 500) which automatically produce potassium carbonate/bicarbonate eluents from water. The Dionex IonPac AS22-Fast-4µm column is the newest carbonate eluent column recommended for fast analysis of inorganic anions and is a faster alternative, using carbonate-bicarbonate eluents, than Dionex IonPac AS4A-SC, AS12A, AS14, AS14A, and AS22 inorganic anion applications.

          Note: Use the Dionex Anion Electrolytically Regenerated Suppressor (Thermo Scientific Dionex AERS 500 suppressor) with the Dionex IonPac AS22-Fast-4µm column for eluent suppression.

          Dionex IonPac AS22-Fast-4µm Anion-Exchange Column Specifications
          Substrate Characteristics:Bead Diameter and Pore Size:
          4 µm (0.4 × 150, 2 × 150 and 4 × 150 mm);
          Supermacroporous resin (2000 Å)
          11 µm (0.4 × 35, 2 × 30 and 4 × 30 mm);
          Microporous resin (<1 Å)
          Cross-linking (%DVB): 55%
          Ion Exchange Group:Functional Group: Alkanol quaternary ammonium ion
          Functional Group Characteristics:Ultralow hydrophobicity
          Column Construction:PEEK™ with 10-32 threaded ferrule style end fittings. All components are nonmetallic.
          Capacity:1.26 µeq (0.4 × 150 mm capillary column)
          31.5 µeq (2 × 150 mm analytical column)
          126 µeq (4 × 150 mm analytical column)
          0.04 µeq* (0.4 × 35 mm capillary guard column)
          1 µeq* (2 × 30 mm guard column)
          4 µeq* (4 × 30 mm guard column)
          *Guards are packed with a low-capacity microporous resin.
          Dimensions:Dionex IonPac AS22-Fast-4µm Analytical Columns:
          2 × 150 mm and 4 × 150 mm
          Dionex IonPac AS22-Fast-4µm Capillary Column:
          0.4 × 150 mm
          Dionex IonPac AG22-Fast-4µm Guard Columns:
          2 × 30 mm and 4 × 30 mm
          Dionex IonPac AG22-Fast-4µm Capillary Guard Column:
          0.4 × 35 mm
          Maximum Operating Pressure:5000 psi
          Phase Compatibility:pH 0–14; 0–* HPLC solvents
           

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