title: Production, concentration and deep purification of 111In radiochemicals.
abstract: A new method of 111In separation from a silver target irradiated with 30 MeV alpha-particles is described. The 111In isolation from Ag and Cd is based on its co-precipitation with La(OH)3. The 111In separation from La(III) has been performed by the method of ion-exchange chromatography. A multi-stage purification technique was developed that allows the production of 111In radiochemicals in which the part of impurities of di-, tri-valent metal atoms is negligible.
authors.affiliation: Laboratory of Nuclear Problems, JINR, Dubna, Moscow Region, Russian Federation. korolev@nusun.jinr.ru
authors.forename: D V
authors.initials: DV
authors.lastname: Filossofov
authors.forename: N A
authors.initials: NA
authors.lastname: Lebedev
authors.forename: A F
authors.initials: AF
authors.lastname: Novgorodov
authors.forename: G D
authors.initials: GD
authors.lastname: Bontchev
authors.forename: G Y
authors.initials: GY
authors.lastname: Starodub