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IonPac AS24 Hydroxide-Selective Anion-Exchange Col

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更新時間:2016-10-27 15:12:12瀏覽次數:233

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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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