title: Polarographic determination of zirconium at trace level.
abstract: An indirect polarographic method has been developed for the determination of zirconium by formation of molybdozirconophosphoric acid, its extraction with MIBK or a mixture of diethyl ether and 1-butanol, stripping with alkali and measurement of the Mo(VI) by its catalytic effect on the polarographic reduction of hydrogen peroxide. Depending on the extradant, a detection limit of 2.5 or 8.9 mu/gl, can be achieved.
authors.affiliation: Departamento de Química Analítica, Facultad de Ciencias, Universidad de Valladolid, Valladolid, Spain.
authors.forename: Y
authors.initials: Y
authors.lastname: Castrillejo
authors.forename: R
authors.initials: R
authors.lastname: Pardo
authors.forename: E
authors.initials: E
authors.lastname: Barrado
authors.forename: P S
authors.initials: PS
authors.lastname: Batanero