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          美國戴安 P/N: 062885 062885賽默飛戴安AS19 IC 柱 4x250mm分析柱

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          DIONEX戴安離子色譜柱色譜柱C18

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          Biologix生物耗材,BEAVER海貍磁珠,施??凳痔?,賽默飛世爾,Dionex離子色譜,安捷倫Agilent

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          IonPac AS19 Hydroxide-Selective Anion-Exchange Column

          For Determination of Oxyhalides and Inorganic Anions

          The IonPac? AS19 hydroxide-selective anion-exchange column is specifically designed for trace bromate in drinking water. Its high capacity and selectivity allow the determination of bromate in drinking water at the low-μg/L level. The IonPac AS19 columns meets the performance requirements of US EPA Methods 300.0 and 300.1.

          The new IonPac AS19 Capillary Column is packed with the same material as the equivalent standard bore version (providing the same performance as a 4 mm column), but requires only 1/100th the eluent flow rate.The capillary format provides the advantage of significantly reduced eluent consumption, which helps reduce operating costs.

          • Recommended hydroxide-selective column for trace bromate in drinking water matrices

          • High capacity: 240 μeq per column (4 × 250 mm)

          • Meets or exceeds performance requirements of US EPA Methods 300.0 and 300.1

          • Column selectivity is optimized for 30 °C operating temperature

          • Compatible with organic solvents

          • Low background signal and enhanced analyte sensitivity with the ASRS? 300 and an RFIC system

          The IonPac AS19 is designed for the analysis of oxyhalides and common inorganic anions including fluoride, chlorite, bromate, chloride, nitrite, bromide, chlorate, nitrate, phosphate, and sulfate in drinking water, groundwater, wastewater, and other diverse sample matrices. The IonPac AS19 allows analysis of most drinking water without the use of sample pretreatment or preconcentration. This column is ideally used with an RFIC system for automatic eluent generation.

          The key application for the IonPac AS19 is the determination of trace bromate in drinking water matrices using a potassium hydroxide gradient with suppressed conductivity detection. The selectivity of the AS19 ensures that bromate can be quantified at low μg/L concentrations using suppressed conductivity detection even in the presence of very high concentrations of chloride, sulfate, and carbonate.

          Note: Use the Anion Self-Regenerating Suppressor (ASRS 300) with the IonPac AS19 column for eluent suppression.

          062885賽默飛戴安AS19 IC 柱 4x250mm分析柱

          062885賽默飛戴安AS19 IC 柱 4x250mm分析柱

          IonPac AS19 Anion-Exchange Column   Specifications
          DimensionsIonPac AS19 Analytical Column:
          2 × 250 mm and 4 × 250 mm
          IonPac AG19 Guard Column:
          2 × 50 mm and 4 × 50 mm

          IonPac AS19 Capillary Column:
          0.4 × 250 mm
          IonPac AG19 Capillary Guard Column:
          0.4 × 50 mm
          Maximum operating pressure4000 psi (standard and microbore)
          5000 psi (capillary)
          Ion-exchange groupFunctional Group: Alkanol quaternary ammonium ion
          Functional group characteristicsUltralow hydrophobicity
          Capacity2.4 ?eq (0.4 × 250 mm capillary column)
          0.06 ?eq* (0.4 × 50 mm capillary guard column)
          60 ?eq (2 × 250 mm analytical column)
          1.5 ?eq* (2 × 50 mm guard column)
          240 ?eq (4 × 250 mm analytical column)
          6 ?eq* (4 × 50 mm guard column)
          *Guards are packed with a low-capacity microporous resin.
          Column constructionPEEK with 10-32 threaded ferrule-style end fittings.
          All components are nonmetallic.
          Substrate characteristicsBead Diameter and Pore Size: 7.5 ?m (0.4 x 250, 2 × 250 and 4 × 250 mm);
          super macroporous resin (2000 ?)
          12 ?m (0.4 x 50, 2 × 50 and 4 × 50 mm);
          microporous resin (<1 ?)
          Cross-Linking (%DVB): 55%
          phase compatibilitypH 0–14; 0–100% HPLC solvents



          Analytical Columns
          IonPac AS19 Analytical Column (4 x 250 mm)062885
          IonPac AS19 Analytical Column (2 x 250 mm)062886
          IonPac AS19 Capillary Column (0.4 x 250 mm)072064
          Guard Columns
          IonPac AG19 Guard Column (4 x 50 mm)062887
          IonPac AG19 Guard Column (2 x 50 mm)062888
          IonPac AG19 Capillary Guard Column (0.4 x 50 mm)072065



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