Analysis of Tetraalkylammoniums (YS-50)

Trialkylammoniums were separated using a cation chromatography column, IC YS-50 with corona charged aerosol detector. The column demonstrates low 'bleed' providing a stable baseline. The use of a low concentration of acetonitrile in the eluent will allow the tetraalkylammonium compounds to elute by hydrophobic interaction.


Sample : 5 μL
1. Tetramethylammonium 25 μg/mL
2. Tetraethylammonium 50 μg/mL
3. Tetrapropylammonium 100 μg/mL
4. Tetrabutylammonium 100 μg/mL
5. Tetrapentylammonium 100 μg/mL
6. Tetrahexylammonium 200 μg/mL


Column       : Shodex IC YS-50 (4.6 mm I.D. x 125 mm) 
Eluent       : 4 mM Nitric acid aq./CH3CN=65/35   
Flow rate    : 1.0 mL/min
Detector     : Corona charged aerosol
Column temp. : 40 °C

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