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Tap Water (1) (YK-421)

Cations in tap water were analyzed using IC YK-421. Ion chromatogaraphy is used for in Japanese regulations for tap water. Ion chromatography is very useful method for the simultaneous analysis of monovalent and divalent cations such as Na+, K+ and Mg2+.

Sample : 15μL

No.
std.
Tap wate
1
Li+ 2mg/L
-
2
Na+ 10mg/LNa+
3
NH4+ 10mg/L
-
4
K+ 20mg/LK+
5
Ca2+ 20mg/LCa2+
6
Mg2+ 10mg/LMg2+

Column : Shodex IC YK-421 (4.6mmI.D. x 125mm)
Eluent : 5mM Tartaric acid + 1mM Dipicolinic acid + 1.5g/L Boric acid aq.
Flow rate : 1.0mL/min
Detector : Non-suppressed coductivity
Column temp. : 40°C