Dionex IonPac AS12A Isocratic Analysis of 20% Ammonium Hydroxide - ERD 500 - ERS 500e - ERS 500 Carbonate - DRS 600 - Dionex IonPac AS12A Isocratic Analysis of 20% Ammonium Hydroxide - ERD 500 - ERS 500e - ERS 500 Carbonate - DRS 600

Sample

100 µL of 20% NH4OH neutralized in the SP10 AutoNeutralizer

Concentrator Column

Low-Pressure Trace Anion Concentrator (i.e., Dionex IonPac UTAC-XLP2, Item # 072781)

Column

Dionex IonPac AG12A + Dionex IonPac AS12A

Eluent

2.7 mM Na₂CO₃/0.3 mM NaHCO₃

Eluent Flow Rate

1.5 mL/min

Electrolytic Suppressor

Dionex Anion Dynamically Regenerated Suppressor, Dionex ADRS 600

Recycled Eluent Mode

or Chemical Suppressor

Dionex Anion Chemically Regenerated Suppressor, Dionex ACRS 500

Chemical Regenerant

50 mN H₂SO₄

Expected Background Conductivity

14–16 µS