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MetrohmModel Metrosep C 4 - 250/2.0 6.1050.230 -Microbore Cation Separation Column

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The Metrosep C 4 - 250/2.0 "Microbore" cation separation column is the cation column with the greatest capacity in the C 4 series with a 2 mm inner diameter. It is predestined for applications which require high separating efficiency. Samples with extreme differences in concentrations can be analyzed reliably with this column. The performance capability of the column is demonstrated, for example, when analyzing sodium traces in addition to monoethanolamine (MEA). With the C 4 - 250/2.0, not only amines and transition metals but also alkaline and alkaline earth metals can be determined in a single run. With its low eluent flow, this column is particularly suitable for IC-MS coupling.

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  • Carrier material: Polybutadienemaleic acid on a silica gel base / spherical silica gel
  • Column capacity: 6 µmol (K+)
  • Column dimensions: 250 x 2.0 mm
  • Eluents:
    • Nitric acid / dipicolinic acid eluent (standard eluent)
      • Nitric acid (c = 1 mol/L): 1.7 mmol/L; 3.4 mL/2 L
      • Dipicolinic acid: 0.7 mmol/L; 234 mg/2 L
    • Nitric acid / oxalic acid eluent
      • Nitric acid (c = 1 mol/L): 2.5 mmol/L; 5.0 mL/2 L
      • Oxalic acid: 0.5 mmol/L; 90 mg/2 L
  • Housing material: PEEK
  • Max. pressure: 25 MPa
  • Maximum flow: 0.8 mL/min
  • Organic modifier: Eluent: 0 - 100% acetone and acetonitrile (no alcohol)
  • Sample: 0 - 100% acetone, acetonitrile, and alcohols
  • Particle size: 5 µm
  • pH range: 2–7
  • Standard flow: 0.2 mL/min
  • Temperatur range: 20–60 °C