Reaktion von Vanadium(IV) mit 3′-Pyridylfluoron und seine photometrische Bestimmung |
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Authors: | E Asmus J Jahny |
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Institution: | 1. Lehrstuhl für Analytische Chemie, Chemisches Laboratorium der Universit?t Freiburg i. Br., Deutschland
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Abstract: | The application of automatic titration instruments for volumetric determinations using catalytic indicator reactions is described. Examples for a photometric (Mn2+ with EDTA), potentiometric (Hg2+ and Ag+ with KI, I? with Hg2+) and biamperometric (Cu2+ with EDTA) regulation of the automatic titrator are given. In some of these methods, contrary to the usual way, it is the inhibitor which serves as a titrant (“titration with the brake”) and not the catalyst. |
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