title: Spectrophotometric determination of ampicillin in presence of hetacillin.
mesh_terms: D000667:Ampicillin / Q000032:analysis* / Q000494:pharmacology; D001681:Biological Assay; D004121:Dimethyl Sulfoxide; D004355:Drug Stability; D008722:Methods; D009532:Nickel; D010406:Penicillins / Q000032:analysis* / Q000494:pharmacology; D012505:Sarcina / Q000187:drug effects; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature; D013997:Time Factors
chemical_list: D010406:Penicillins; D000667:Ampicillin; D009532:Nickel; D004121:Dimethyl Sulfoxide