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Ion chromatographic system used
| Anion system | Cation system | |
|---|---|---|
| Separator column | Metrosep A Supp 5 -150 (4.0 × 150 mm) |
Metrosep C 2 -150 (4.0 × 150 mm) |
| Guard column (precolumn) | Metrosep A Supp 4/5 Guard (3.1 × 29 mm) |
Metrosep C2 (4 × 5 mm) |
| Eluent solution | NaHCO3, 1.0 mM Na2CO3, 3.2 mM |
Tartaric acid, 4.0 mM Dipicolinic acid, 0.75 mM |
| Sample loop size (μL) | 20 | 20 |
| Eluent flow rate (mL min-1) | 0.7 | 1.0 |
