LC
- Samples
- Caffeine , Theophylline , Theobromine , 1-Methylxanthine , Xanthine
- Applications
- Analysis of Xanthines
- Column
- ULTRON AF-HILIC-CD
- Column Size
- 150 mm L × 2.0 mm I.D.
- Detector
- UV-254 nm
- Particle Size
- 2 µm
- Mobile phase
- 10mM CH3CO2NH4 (pH6.8) /CH3CN = 13/87
- Frow rate
- 0.15 mL/min
- Column temp.
- 30°C
- Injection volume
- 1.0 µL
- Diluent
- Dissolved samples in 0.1% NaOH aq and add acetonitrile into ratio to 90%