ANIONS: IC columns used with chemical suppression

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6.1020.050 Metrosep A Supp 10 – 50  
Metrosep A Supp 10 – 50    
Housing material   PEEK  
Carrier material   Polystyrene-divinylbenzene copolymer with quaternary ammonium groups  
Capacity   43 µmol  
Particle size (µm)   4.6 µm (mono dispersive)  
Eluents  

Carbonate eluent
(Standard eluent: at 45°C):

Sodium hydrogen carbonate: 5.0 mmol/L ; 840 mg/2 L
Sodium carbonate: 5.0 mmol/L ; 1060 mg/2 L

Carbonate eluent, modified
(at 25 °C)

Sodium hydrogen carbonate: 5.0 mmol/L ; 840 mg/2 L
Sodium carbonate: 5.0 mmol/L ; 1060 mg/2 L
Sodium perchlorate: 5 µmol/L ; 1.2 mg /2 L

  
Standard flow   1.0 mL/min  
Organic modifier   0 - 30 %  
Max. pressure   20 MPa  
Maximum flow   2.0 mL/min  
pH range   0 - 14  
Storage   In the eluent  
Column type   Column  
Column dimensions (mm)   50 x 4.0  
Regeneration  

Rinse with

a) 50 mL of 0.05 mol/L Na2H2EDTA at 0.5 mL/min.
b) 0.1 mol/L NaOH at 0.5 mL/min for 1 h.

  
Application range  

Applications:

  • Standard anions
  • simple separation
  • non-complex matrix
  • short analysis time