title: Spectrophotometric determination of benzyl penicillin in pharmaceutical preparations using copper(II) acetate as a complexing agent.
mesh_terms: D000085:Acetates; D019342:Acetic Acid; D002863:Chromogenic Compounds; D010400:Penicillin G / Q000032:analysis*; D012996:Solutions / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet; D013607:Tablets / Q000032:analysis
chemical_list: D000085:Acetates; D002863:Chromogenic Compounds; D012996:Solutions; D013607:Tablets; D019342:Acetic Acid; D010400:Penicillin G