The separation was carried out at 40 8C using a Kinetex C18 column (2.6 mm, 100 mm 2.10 mm, 100 A˚ – Phenomenex1) coupled with a C18 pre-column (4 mm 2 mm – Phenomenex1). The detection wavelength was 262 nm.
The separation was carried out at 40 8C using a Kinetex C18 column (2.6 mm, 100 mm 2.10 mm, 100 A˚ – Phenomenex1) coupled with a C18 pre-column (4 mm 2 mm – Phenomenex1). The detection wavelength was 262 nm.