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Mineral Water and Tap Water (YS-50)

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Analysis of tap water and 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, Tap water (Water)

Mineral water
Tap water
1. Na+
6.7ppm
7.3ppm
2. K+
0.8ppm
1.3ppm
3. Ca2+
24.8ppm
3.6ppm
4. Mg2+
71.9ppm
12.0ppm


 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