Carbonate ion standard

• Column:
  Aquiline A3 150x4.6 mm
• Separation mode:
  Isocratic
• Mobile phase:
  10 mmol KOH
• Flow rate:
  1 ml / min
• Column temperature:
  20 °С
• Sample volume:
  50 µl
• Detector:
  Conductometric detector
• Detection parameters:
  with suppression of background conductivity
• Object of study:
  Standard mixtures
• Substance groups:
  Anions
• Sample:
  CO standard₃^2- 10 mg / l
  Optional:

  • The detection limit is approximately 1 mg / L on a 50 μL loop.
  • The carbonate peak is fully resolved between nitrate and phosphate.
  • In the analysis conditions, CO₃^2- and HCO₃^- are defined together.