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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 Fast Anion IIIA Hydroxide-Selective Anion-E

          IonPac Fast Anion IIIA Hydroxide-Selective Anion-E

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          IonPac Fast Anion IIIA Hydroxide-Selective Anion-Exchange Columndesigned for the determination of phosphoric and citric acids in cola soft drinks. Its capacity and selectivity allows rapid analysis of

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          Rugged and Reliable Column for Rapid Determination of Phosphoric and Citric Acids in Colas

          This hydroxide-selective anion-exchange column is specifically designed for the determination of phosphoric and citric acids in cola soft drinks. Its capacity and selectivity allows rapid analysis of these acids in less than 7 minutes.

          • Use with the Eluent Generator for simplified Reagent-Free IC operation.

          • The 3 mm i.d. configuration provides economical operation.

          • Combine with the ASRS® 300 suppressor for low background and enhanced sensitivity.

          • Compatible with organic solvents.

          The Fast Anion IIIA is optimized for a 30 °C operating temperature to ensure reproducible retention times in all environmental conditions. It is compatible with organic solvents to enhance analyte solubility, modify column selectivity, or allow effective column cleanup. The Fast Anion IIIA column is recommended for use with the Eluent Generator, requiring only a deionized water source to produce potassium hydroxide eluent.

          The cola samples may require sample pretreatment with sonication to remove carbonation. Sample dilution of cola syrups is recommended prior to analysis to ensure optimum column life. These acids can be analyzed in less than 7 minutes using an isocratic potassium hydroxide eluent delivered by an Eluent Generator in combination with suppressed conductivity detection.

          IonPac Fast Anion IIIA Anion-Exchange Column Specifications
          DimensionsIonPac Fast Anion IIIA Analytical Column:
          3 × 250 mm IonPac Fast Anion
          IIIA Guard Column:
          3 × 50 mm
          phase compatibilitypH 0–14; 0–* HPLC solvents
          Ion-exchange groupFunctional Group: Alkanol quaternary ammonium ion
          Maximum operating pressure3000 psi
          Functional group characteristicsHydrophobicity: Ultralow hydrophobic
          Capacity55 µeq (3 × 250 mm analytical column)
          1.0 µeq (3 × 50 mm guard column)
          Column constructionPEEK with 10-32 threaded ferrule style end fittings.
          All components are nonmetallic.
          Substrate characteristicsBead Diameter and Pore Size:
          7.5 µm (3 × 250 mm); supermacroporous resin (2000 Å)
          11 µm (3 × 50 mm); microporous resin (<10 Å)
          Cross-Linking (%DVB): 55%
           

           

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