Metrosep A Supp 10, 10 cm x 4 mm I.D., 5 μm particles (Metrohm 6.1020.010)
[A] 5.0 mM sodium carbonate; [B] 5.0 mM sodium bicarbonate
1 mL/min
45 °C
conductivity
20 μL
chloride (2 mg/L), nitrite (5 mg/L), bromide, nitrate, phosphate, sulfate (10 mg/L)