Melamine, ammeline, ammelide, and cyanuric acid were analyzed by HILIC mode simultaneously using polymer-based amino column HILICpak VG-50 4D.
Sample : 5μL
5μg/mL each
(in H2O/CH3CN=50/50)
1. Melamine
2. Ammeline
3. Cyanuric acid
4. Ammelide
Column : Shodex HILICpak VG-50 4D (4.6mmI.D. x 150mm) Eluent : 30mM Ammonium formate/CH3CN=35/65 Flow rate : 0.6mL/min Detector : Corona charged aerosol Column temp. : 40°C