Ethanolamines and Alkylamines

Ethanolamines and alkylamines were analyzed using IC YK-421. Sharp peaks were obtained during the analysis of ethanolamines, but during the analysis of alkylamines, peaks with a little tailing were observed.


Sample :
1. Monoethanolamine
2. Diethanolamine
3. Triethanolamine
4. Methylamine
5. Dimethylamine
6. Trimethylamine

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     : Shodex CD
Column temp. : 40deg-C