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Analysis of Tap Water (2) (YK-412) (Phosphoric Acid Eluent)

Monovalent and divalent cations in tap water were analyzed using IC YK-421.
Please refer to and


Sample : Tap water, 20μL
1. Na+
2. K+
3. Mg2+
4. Ca2+



Column : Shodex IC YK-421 (4.6mmI.D. x 125mm)
Eluent : 4mM H3PO4 aq.
Flow rate : 1.0mL/min
Detector : Non-suppressed conductivity
Column temp. : 40°C