Monovalent and Divalent Cation Standards (1) (YK-421)

Monovalent and divalent cation standards were analyzed using IC YK-421.


Sample : 20 μL
1. Li + 2 mg/L
2. Na + 10 mg/L
3. NH 4 + 10 mg/L
4. K + 20 mg/L
5. Ca 2+ 20 mg/L
6. Mg 2+ 10 mg/L

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

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