HPLC Analysis of Pseudoephedrine Enantiomers on Astec^® CHIROBIOTIC^® T

column

CHIROBIOTIC T, 25 cm x 4.6 mm I.D., 5 μm particles (12024AST)

mobile phase

[A] methanol; [B] acetic acid; [C] triethylamine; (100:0.1:0.1, A:B:C)

flow rate

1 mL/min

column temp.

25 °C

detector

UV, 254 nm

injection

10 μL

sample

1 mg/mL in methanol