Strata C18-E (55 µm, 70 Å), 500 mg / 12 mL, Giga Tubes, 20/Pk

Condition

1 mL Methanol

Equilibrate

1 mL DI Water

Load

Pretreated sample

Wash

1 mL 5% Methanol in DI Water, dry under vacuum for 2-5 min

Elute

1 mL Methanol

Based on 100 mg/1 mL sorbent mass. The above is a convenient starting point for SPE method development, further optimization may be required to tailor the method for your specific extraction needs.