Monovalent and Divalent Cation Standards (2)
Monovalent and divalent cation standards were analyzed using
IC
YK-421.
Sample : 10micro-L
1.
Li+ 1mg/L
2.
Na+ 5mg/L
3.
NH4+ 5mg/L
4.
K+ 10mg/L
5.
Rb+ 30mg/L
6.
Cs+ 30mg/L
7.
Ca2+ 10mg/L
8.
Mg2+ 5mg/L
9.
Sr2+ 10mg/L
10.
Ba2+ 10mg/L
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. : 50deg-C