Sulfamic acid was quantified using an ion chromatography column, IC SI-90 4E was used to quantify anions in wine.
Sample : 15mg/L each, 20 µL
1. Sulfamate (Ammonium sulfamate 15mg/L)
2. NO2– 15mg/L
3. NO3– 15mg/L
4. SO42- 15mg/L
Column : Shodex IC SI-90 4E (4.0mmID*250mm)
Eluent : 1.8mM Na2CO3 + 1.7mM NaHCO3 aq.
Flow rate : 1.0mL/min
Detector : Suppressed conductivity
Column temp. : 30°C