×

Javascript message

This site uses javascript. If javascript is disabled in your browser, some functionality may be impaired.

Caffeine and metabolites

Separation of caffeines and its metabolites on Kromasil EternityXT PhenylHexyl

  • 1 = theobromine
    s00235
  • 2 = paraxanthine
    s00516
  • 3 = theophylline
    s00234
  • 4 = caffeine
    s00233
chromatogram for g1098
Column:Kromasil EternityXT-5-PhenylHexyl 4.6 × 250 mm
Part number:X05PXA25
Eluent:methanol / water / formic acid [40/60/0.1]
Flow rate:1.0 ml/min
Temperature:30 °C
Detection:UV 254 nm

Reference

Nouryon application note

Kromasil columns available with the stationary phase used in this application

Click/touch the dot for the combination of stationary phase and column diameter of your interest to access column length availability and further options.
Column diameters, [mm]
FamilyPhasedp [μm]2.14.6102021.230
EternityXTPhenylHexyl5 X05PXD__ X05PXA__ X05PXP__ X05PXO__ X05PXQ__ X05PXR__