title: Analytical uses of charge-transfer complexes: determination of pure and dosage forms of piperazine.
mesh_terms: D004304:Dosage Forms; D000077489:Piperazine; D010879:Piperazines / Q000032:analysis*; D013053:Spectrophotometry / Q000379:methods
chemical_list: D004304:Dosage Forms; D010879:Piperazines; D000077489:Piperazine