title: Differential electrolytic potentiometry (DEP) with twin silver-silver sulphide membrane electrodes in micro titration of quaternary ammonium compounds.
authors.affiliation: Department of Pharmaceutical Sciences, Via G. Capponi 9, 50121 Firenze, Italy.
authors.forename: S
authors.initials: S
authors.lastname: Pinzauti
authors.forename: G
authors.initials: G
authors.lastname: Papeschi
authors.forename: E
authors.initials: E
authors.lastname: La Porta
authors.forename: P
authors.initials: P
authors.lastname: Mura
authors.forename: P
authors.initials: P
authors.lastname: Gratteri