title: Extractive photometric determination of thorium with arsenazo DAL.
abstract: Arsenazo DAL, the dianilide of3,6-bis (2'-arsonophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulphonic acid, is proposed as an extractive photometric reagent for the highly selective determination of trace amounts of thorium.
authors.affiliation: Nuclear Research Institute Czechoslovak Academy of Sciences Rez near Prague, Czechoslovakia.
authors.forename: B
authors.initials: B
authors.lastname: Budesińský
authors.forename: B
authors.initials: B
authors.lastname: Menclová