How high performance liquid chromatography system can Save You Time, Stress, and Money.
Include a acknowledged quantity of the antidepressant protriptyline, which serves as an interior normal, to each serum sample and to every exterior standard. To remove matrix interferents, pass a 0.5-mL aliquot of each and every serum sample or regular through a C18 good-period extraction cartridge. Soon after washing the cartridge to get rid of th