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- W2047146983 abstract "The theory of complexometric titrations, which employ extractive end-point detection, is presented. If dithizone is used as an indicator in the complexometric titrations of zinc, lead and cadmium, high sensitivities can be attained because of the intense colour and low metal-ion concentrations at the colour transition points. It should be possible to titrate metals in very dilute solutions where many other indicators are not sensitive enough, particularly in the pH range around the neutral point. Die Theorie komplexometrischer Titrationen mit extraktiver Endpunktsanzeige wird vorgelegt. Mit Dithizon als Indikator lassen sich bei komplexometrischen Titrationen von Zink, Blei und Cadmium wegen der intensiven Farbe und der geringen Metallionenkonzentration bei den Farbumschlagspunkten hohe Empfindlichkeiten erzielen. Man sollte Metalle in sehr verdünnten Lösungen titrieren können, wo viele andere Indikatoren nicht empfindich genug sind, besonders in pH-Bereich um den Neutralpunkt herum. On présente la théorie des dosages eomplexométriques qui utilisent la technique de détection par extraction du point de virage. En employant la dithizone comme indicateur pour les dosages complexométriques du zinc, du plomb et du cadmium, on peut atteindre des sensibilités élevées par suite de l'intense coloration et des faibles concentrations en ion métallique au point de virage de la coloration. Il devrait être possible de doser des métaux en solutions très diluées, là oú de nombreux autres indicateurs ne sont pas suffisamment sensibles, en particulier dans le domaine de pH avoisinant la neutralité." @default.
- W2047146983 created "2016-06-24" @default.
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- W2047146983 date "1965-09-01" @default.
- W2047146983 modified "2023-09-26" @default.
- W2047146983 title "Theory of complexometric titrations based on extractive end-point detection" @default.
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- W2047146983 doi "https://doi.org/10.1016/0039-9140(65)80124-2" @default.
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