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      IonPac Fast Anion IIIA陰離子交換柱062964

      更新時間:2019-11-20

      簡要描述:

      IonPac Fast Anion IIIA陰離子交換柱062964
      這種堅固的氫氧化物選擇性陰離子交換柱提供快速,可靠的結果,采用等度洗脫液通過氫氧化鉀與抑制電導檢測相結合的淋洗液發生器交付。

      IonPac Fast Anion IIIA陰離子交換柱062964

      分析磷酸和檸檬酸與Thermo Scientific? Dionex? IonPac? Fast Anion IIIA柱在不到7分鐘,在可樂軟飲料樣品的酸。這種堅固的氫氧化物選擇性陰離子交換柱提供快速,可靠的結果,采用等度洗脫液通過氫氧化鉀與抑制電導檢測相結合的淋洗液發生器交付。

       

       

      IonPac Fast Anion IIIA陰離子交換柱062964

      訂貨信息:

      分析柱
      IonPac Fast Anion IIIA Analytical Column (3 x 250 mm)062964
      保護柱
      IonPac Fast Anion IIIA Guard Column (3 x 50 mm)062966

       

       

      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
      Mobile phase compatibilitypH 0–14; 0–100% 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 ?)
      11 μm (3 × 50 mm); microporous resin (<10 ?)
      Cross-Linking (%DVB): 55%

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