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          廣州尖分科學(xué)儀器有限公司>>戴安 Dionex>>IC and RFIC Columns>> IonPac AS24 Hydroxide-Selective Anion-Exchange Col

          IonPac AS24 Hydroxide-Selective Anion-Exchange Col

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          IonPac AS24 Hydroxide-Selective Anion-Exchange ColumnThe Thermo Scientific Dionex IonPac™ AS24 is a high-capacity hydroxide-selective anion-exchange column optimized for the separation of haloacetic a

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          For Separation of Haloacetic Acids and Bromate in Drinking Water 

          The Thermo Scientific Dionex IonPac AS24 is a high-capacity hydroxide-selective anion-exchange column optimized for the separation of haloacetic acids (HAAs) as well as a variety of environmental anions. The capacity and selectivity enables analysis of haloacetic acids in drinking water at low-μg/L concentrations. The Dionex IonPac AS24 2 × 250 mm column is specifically designed for separation of haloacetic acids in drinking water prior to MS or MS/MS detection and is the specified column in US EPA Method 557. 

          • Specified column for US EPA Method 557 (2 × 250 mm)

          • High capacity: 140 μeq per column (2 × 250 mm)

          • Determine HAAs in high-ionic strength matrices without sample pretreatment

          • Column selectivity is optimized for a 15 ºC operating temperature

          • Compatible with HPLC organic solvents

          • Used as second dimension column in 2-D method for bromate in US EPA Method 302.0 (2 × 250 mm)

          • Extended application capabilities providing excellent separation of environmental anions

          • Thermo Scientific Dionex IonPac AS24 Anion-Exchange Column Specifications
            Substrate Characteristics:Bead Diameter and Pore Size:
            7 µm (2 × 250 mm); super macroporous resin (2000 Å)
            11 µm (2 × 50 mm); microporous resin (<10 Å)
            Crosslinking (%DVB): 55%
            Ion Exchange Group:Functional Group: Alkanol quaternary ammonium ion
            Functional Group Characteristics:Ultralow hydrophobicity
            Capacity:140 µeq (2 × 250 mm analytical column)
            1.5 µeq* (2 × 50 mm guard column)
            *Guard is packed with a low-capacity microporous resin.
            Column Construction:PEEK with 10-32 threaded ferrule style end fittings.
            All components are nonmetallic.
            Dimensions:Dionex IonPac AS24 Analytical Column:
            2 × 250 mm
            Dionex IonPac AG24 Guard Column:
            2 × 50 mm
            Maximum Operating Pressure:3000 psi
            Phase Compatibility:pH 0–14; 0–* HPLC solvents
             

           

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