Separation of Na+ and NH4+ (1) (Non-suppressor Method)

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
Na+ 50ppm
NH4+ 0.01ppm



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