With about twice the theoretical plate number and about 1.3 times the Na+/NH4+ resolution, YS-50 can be applied to NH4+ analysis at a high concentration of Na+ (Na+:NH4+=5,000:1 is possible).
Please refet to Separation of Na+ and NH4+ (2) (Suppressor Method)
Sample : 10micro-L
Column : Shodex IC YS-50 (4.6mmID*125mm)
Eluent : 4mM Methanesulfonic acid aq.
Flow rate : 1.0mL/min
Detector : Non-suppressed conductivity
Column temp. : 40deg-C