Mineral Water (YS-50)

Analysis of mineral water was performed using IC YS-50 (a column for cation chromatography). It turns out that many divalent cations is contained in mineral water.

Sample : Mineral water (Water), 10micro-L
1. Na⁺
2. NH₄⁺
3. K⁺
4. Ca²⁺
5. Mg²⁺

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