title: [Not Available].
abstract: The sample (up to 5 mg) is destroyed by using a wet process in a glass flask of the Kjeldahl type. Aluminium cobalt, tin and iron are determined spectrophotometrically. The following reactions are used: complexation of aluminium by Alizarin Red S and calcium cobalt(II) by tiron tin(IV) by phenylfluorone, iron(III) by tiron.
authors.affiliation: Service Central de Microanalyse du Centre National de la Recherche Scientifique, 2 rue Henry Dunant, 94320 Thiais, France.
authors.forename: E
authors.initials: E
authors.lastname: Debal
authors.forename: R
authors.initials: R
authors.lastname: Chassin
authors.forename: S
authors.initials: S
authors.lastname: Peynot
authors.forename: O
authors.initials: O
authors.lastname: Poliakoff