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- W2070633712 abstract "Aluminium, hydroxyquinolate can be quantitatively extracted by chloroform from an ammoniacal solution containing hydroxyquinoline, complexone and cyanide. Likewise extracted are titanium, vanadium, tantalum, niobium, uranium, zirconium, gallium, antimony, bismuth, indium and traces of beryllium. Aluminium can be separated from the first five elements by an extraction in ammoniacal solution containing hydrogen peroxide. Zirconium, gallium, bismuth and antimony can be eliminated by a cupferron extraction and indium by extraction with diethyldithiocarbamate. Beryllium is eliminated by performing an extraction with hydroxyquinoline at pH 5. The proposed method enables a practically specific photometrical determination of aluminium. Applications are given of the determination of trace and higher amounts of aluminium in steels, non-ferrous alloys and in glass. L'hydroxyquinoléate d'aluminium peut être extrait quantitativement par le chloroforme, en solution ammoniacale renfermant de l'hydroxyquinoléine, du complexon et du cyanure. Sont également extraits: titane, vanadium, tantale, niobium, uranium, zirconium, gallium, antimoine, bismuth, indium et traces de béryllium. L'aluminium peut être séparé des 5 premiers éléments par extraction en solution ammoniacale, en présence de peroxyde d'hydrogène. Zirconium, gallium, antimoine et bismuth peuvent être éliminés par extraction au moyen de cupferron et l'indium par extraction au diéthyldithiocaibamate. Le béryllium est éliminé par extraction avec l'hydroxyquinoléine au pu 5. Ce procédé permet un dosage photométrique pratique et spécifique de l'aluminium. Des applications sont proposées pour le dosage de traces et de plus fortes teneurs en aluminium, dans les aciers, les alliages non ferreux et le verre. Aluminiumhydroxychinolat kann quantitativ mit Chloroform, extrahiert werden aus einer Lösung, die Hydroxychinolin, Komplexon und Cyanid enthalt. Ebenfalls extrahiert werden: Titan, Vanadin, Tantal, Niob, Uran, Zirkon, Gallium, Antimon, Wismut, Indium und Spuren von Beryllium. Aluminium kann von den ersten funf Elementen getrennt werden durch eine Extraktion in ammoniakaler, peroxydhaltiger Lo̧sung. Zirkon, Gallium, Antimon und Wismut können durch eine Extraktion mit Kupferron entfernt werden und Indium durch Extraktion mit Dia̧thyldithiocarbamat. Beryllium wird durch Extraktion mit Hydroxychinolin bei pH 5 entfernt. Das vorgeschlagene Verfahren ermöglicht eine praktisch spezifische photometrische Bestimmung von Aluminium. Es werden Anwendungen gegeben fur die Bestimmung von Spuren und höheren Gehalten an Aluminium in Stahl, Nichteisenlegierungen und Glas." @default.
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- W2070633712 date "1954-01-01" @default.
- W2070633712 modified "2023-09-25" @default.
- W2070633712 title "A highly selective procedure for the spectrophotometric determination of aluminium with 8-hydroxy-quinoline and its application to the determination of" @default.
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- W2070633712 doi "https://doi.org/10.1016/s0003-2670(00)89677-4" @default.
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