Although the optimal flow rate is 0.8 or less mL/min, there are few falls of theoretical plate number at 1.0 mL/min, and since ca²⁺ can be analyzed within 20 minutes, by general cation analysis using IC YS-50 , We recommend to set flow rate below to 1.0 mL/min.


Sample : 10 μL
1. Li⁺ 2 ppm
2. Na⁺ 10 ppm
3. NH₄⁺ 10 ppm
4. K⁺ 20 ppm
5. Mg²⁺ 10 ppm
6. Ca²⁺ 20 ppm

Column       : Shodex IC YS-50 (4.6 mm I.D. x 125 mm) 
Eluent       : 4 mM Methanesulfonic acid aq. 
Detector     : Non-suppressed conductivity
Column temp. : 40 °C