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MetrohmModel Metrosep Organic Acids - 250/7.8 6.1005.200 -Polymer-Based Cation Exchanger Columns

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The Metrosep Organic Acids - 250/7.8 is a polymer-based cation exchanger column. It is the high-performance column for the determination of organic acids and for the solution of difficult and complex separation problems. In addition, carbonate (with inverse suppression), fluoride (hydrofluoric acid) and phosphate (phosphoric acid) can be determined along with organic acids. In comparison with the Hamilton PRP-X300 - 250/4.0, the Metrosep Organic Acids - 250/7.8 has greater capacity and enhanced selectivity.

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  • Carrier material: Polystyrene-divinylbenzene copolymer with sulfonic acid groups
  • Column dimensions: 250 x 7.8 mm
  • Eluents:
    • Sulfuric acid eluent (standard eluent)
      • Sulfuric acid: 0.5 mmol/L; 0.5 mL/2 L (c = 2 mol/L)
      • Acetone: 15%; 300 mL/2 L
  • Housing material: Stainless steel
  • Max. pressure: 7 MPa
  • Maximum flow: 0.6 mL/min
  • Organic modifier: 0 - 20%
  • Particle size: 9 µm
  • pH range: 1–13
  • Standard flow: 0.5 mL/min
  • Temperatur range: 5–90 °C