Sample : drugs 500 ng/mL each in BSA (7.0 mg/L), 5 μL
Lidocaine
Chlorpheniramine
Propranolol
Diphenhydramine
Bupivacaine
Verapamil
Imipramine
Column : Shodex ODP2 HP-2B (2.0 mm I.D. x 50 mm) Eluent : 10 mM Ammonium acetate aq./CH3CN=70/30 Flow rate : 0.2 mL/min Detector : UV (280 nm), ESI-MS (SIM Positive) Column temp. : 40 ℃