An Unbiased View of high performance liquid chromatography definition
Insert a recognized level of the antidepressant protriptyline, which serves being an internal standard, to every serum sample and to each exterior common. To eliminate matrix interferents, pass a 0.5-mL aliquot of each serum sample or common via a C18 good-stage extraction cartridge. Soon after washing the cartridge to get rid of the interferents,