Eluent to be Used for YS-50

Acid selection depends on the sample type, instrument, and analysis conditions. Cation standards analyzed using IC YS-50 with 4 mM methanesulfonic acid, sulfuric acid, nitric acid, and phosphoric acid as the eluent are shouwn.


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

Eluent	Conductivity (micro-S/cm)
4mM Phosphoric acid aq.	797
4mM Methanesulfonic acid aq.	1746
4mM Nitric acid aq.	1988
4mM Sulfuric acid aq.	2488

Column       : Shodex IC YS-50 (4.6mmID*125mm) 
Flow rate    : 1.0mL/min
Detector     : Non-suppressed conductivity
Column temp. : 40deg-C