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- W2054284204 abstract "A highly selective and sensitive colorimetric determination of molybdenum(VI) based on its extraction with a chloroform solution of trioctylamine from solutions of acetic and thioglycollic acid (TGA) is described. The yellow chloroform extract containing the molybdenum-TGA complex is measured at 370 nm. With a single extraction it is possible to determine small amounts of molybdenum in the presence of very large concentrations of almost all metals. Only bismuth, mercury and tungsten interfere. Eine sehr selektive und empfindliche Bestimmung von Molybdän(VI) wird beschrieben, die auf semer Extraktion aus Essigsäure und Thioglykolsäure (TGA) enthaltenden Lösungen mit einer Lösung von Trioctylamin in Chloroform beruht. Der gelbe Chloroform-Extrakt, der den Molybdän-TGA-Komplex enthält, wird bei 370 nm gemessen. Mit einer einzigen Extraktion kann man kleine Molybdänmengen in Gegenwart sehr großer Konzentrationen fast aller Metalle bestimmen. Nur Wismut, Quecksilber und Wolfram stören. On décrit une détermination colorimétrique hautement sélective et sensible du molybdène(VI), basée sur son extraction par une solution chloroformique de trioctylamine de solutions d'acide acétique et thioglycolique (TGA). L'extrait chlorofonniquc jaune contenant le complexe molybdène-TGA est mesuré à 370 nm. Avec une seule extraction il est possible de doser de petites quantités de molybdène en la présence de très grandes concentrations de presque tous les métaux. Seuls les bismuth, mercure et tungstène interfèrent." @default.
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- W2054284204 date "1971-03-01" @default.
- W2054284204 modified "2023-09-24" @default.
- W2054284204 title "Extractions with long-chain amines—III Colorimetric determination of molybdenum as thioglycollate" @default.
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- W2054284204 doi "https://doi.org/10.1016/0039-9140(71)80049-8" @default.
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