The gel used for CLNpak EV-2000 AC has very good lot-to-lot reproducibility. The calibration curves of six different gel lots have almost same. The comparison of chromatograms of two lots among the six lots is also shown.


Sample :
1. β-Carotene
2. Fluvalinate
3. Chinomethionate
4. Corn oil
5. Bis(2-ethylhexyl) phthalate
6. Methoxychlor
7. Perylene
8. Sulfur

Columns      : Shodex CLNpak EV-G AC (20 mm I.D. x 100 mm) + EV-2000 AC (20 mm I.D. x 300 mm)
Eluent       : Acetone/Cyclohexane=30/70
Flow rate    : 4.0 mL/min
Detector     : UV (254 nm)
Column temp. : 25 °C