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Monovalent and Divalent Cation Standards (7) (Eluent Containing Acetonitrile) (YS-50)

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IC YS-50 can use the eluent adding acetonitrile (up to 50%). Adding acetonitrile can weaken hydrophobic interaction, and therefore quicken the elution of highly hydrophobic cations.
Note: Not every organic solvent can be used. (Methanol is unusable.)


Sample : 10μL
1. Li+ 2mg/L
2. Na+ 10mg/L
3. NH4+ 10mg/L
4. K+ 20mg/L
5. Mg2+ 10mg/L
6. Ca2+ 20mg/L
Column       : Shodex IC YS-50 (4.6mmI.D. x 125mm) 
Flow rate    : 1.0mL/min
Detector     : Non-suppressed conductivity
Column temp. : 40°C