title: Determination of sodium, ephedrine and procaine in pharmaceuticals by capillary isotachophoresis.
mesh_terms: D004304:Dosage Forms; D004573:Electrolytes / Q000032:analysis; D004586:Electrophoresis; D004809:Ephedrine / Q000032:analysis*; D007202:Indicators and Reagents; D011343:Procaine / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
chemical_list: D004304:Dosage Forms; D004573:Electrolytes; D007202:Indicators and Reagents; D011343:Procaine; D012964:Sodium; D004809:Ephedrine