title: A phenobarbital ion-selective electrode without an inner reference solution, and its application to pharmaceutical analysis.
authors.affiliation: Physical Chemistry Department, Faculty of Pharmacy, Porto, Portugal.
authors.forename: J L
authors.initials: JL
authors.lastname: Lima
authors.forename: M C
authors.initials: MC
authors.lastname: Montenegro
authors.forename: A M
authors.initials: AM
authors.lastname: Roque da Silva
mesh_terms: D004566:Electrodes; D010634:Phenobarbital / Q000032:analysis*; D011199:Potentiometry; D012015:Reference Standards; D012996:Solutions; D013607:Tablets
chemical_list: D012996:Solutions; D013607:Tablets; D010634:Phenobarbital