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Separation of Na + and NH 4 + (2) (Suppressor Method)

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IC YS-50 can be applied to 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).


Sample : 10micro-L
1. Na+ 50ppm
2. NH4+ 0.01ppm

 Column : Shodex IC YS-50 (4.6mmID*125mm) 
 Eluent : 4mM Methanesulfonic acid aq.
 Flow rate : 1.0mL/min
 Detector : Suppressed conductivity
 Column temp. : 40°C