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An application of graphite electrode as an indicator in potentiometric titrations of weak bases in anhydrous acetic acid

J. Berčík and Z. Hladký

Slovak Technical University, Bratislava

 

Abstract: A graphite electrode was applied as an indicator in potentiometric titrations in anhyd. AcOH. Three min. before each titration the electrode was activated by immersing into aq. N KMnO4 in N H2SO4. The electrode was tested by titrations of K acidphthalate, AcONa, triethanolamine, aminoacetic acid, diethylaniline, 8-quinolinol, pyridine, sulfanilamide, α-naphthylamine, and isonicotinylhydrazide. The graphite electrode is equally good as glass electrode, but the graphite electrode has a small inner resistance, good mech. wearing, durability, and simplicity.

Full paper in Portable Document Format: 172a95.pdf (in Slovak)

 

Chemical Papers 17 (2) 95–108 (1963)

Tuesday, June 28, 2022

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