system (binary pump, degasser, thermostat column compartment and autosampler) combined with a tandem mass spectrometer (MS/MS) ABI 3200 QTrap (ABSciex).
high performance liquid chromatography(HPLC) system (binary pump, degasser, thermostat column compartmentand autosampler) combined with a tandem mass spectrometer (MS/MS) ABI 3200QTrap (ABSciex).