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 : 15micro-L
No.
std.
1
Li+ 2mg/L
-
2
Na+ 10mg/L Na+
3
NH4+ 10mg/L
-
4
K+ 20mg/L K+
5
Ca2+ 20mg/L Ca2+
6
Mg2+ 10mg/L Mg2+
Column       : Shodex IC YK-421 (4.6mmID*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. : 40deg-C