Figure 13:
HPLC chromatogram of a resolved mixture of 10 µg mLL
-1
OZ (t
R
=4.298) and 10 µg mLL
-1
OZ Deg (t
R
=2.267 and 3.050), mobile phase is acetonitrile: water (50:50 v/v, 0.2% triethylamine, pH adjusted to 4 using o-phosphoric acid).