Trialkylamines (YK-421)

Trialkylamines were separated using cation chromatography column, IC YK-421. By using the mobile phase stated below, hydrophobic interaction dominates ioninc-interaction. Therefore, shorter chain alkyl amines (less hydrophobic) will elute before longer ones.


Sample : Alkylamines 100mg/L, 20micro-L
1. Trimethylamine, TMA
2. Triethylamine, TEA
3. Tripropylamine, TPA
4. Tributylamine, TBA
5. Trihexylamine, THA

Column       : Shodex IC YK-421 (4.6mmID*125mm)
Eluent       : 4mM HNO3 aq./CH3CN=70/30
Flow rate    : 1.0mL/min
Detector     : Non-suppressed coductivity
Column temp. : 40deg-C