Sodium azide was analyzed using IC SI-90 4E (a column for anions analysis).
Sample : 20micro-L
1. Cl– 1mg/L
2. N3–, Azide 10mg/L
Column : Shodex IC SI-90 4E (4.0mmID*250mm) Eluent : 1.8mM Na2CO3 + 1.7mM NaHCO3 aq. Flow rate : 1.0mL/min Detector : Shodex CD and Suppressor module Column temp. : 25deg-C