Potentiometrische Mikrobestimmung von scheinbaren Dissoziationskonstanten in Essigsäure | Zendy

Wegmann Dorothée | Zendy; Simon W. | Zendy

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Potentiometrische Mikrobestimmung von scheinbaren Dissoziationskonstanten in Essigsäure

Author(s) -

Wegmann Dorothée,

Simon W.

Publication year - 1962

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19620450324

Subject(s) - chemistry , potentiometric titration , titration , acetic acid , chromatography , relative standard deviation , medicinal chemistry , organic chemistry , electrode , detection limit

Apparent pK values (pK AcOH * ) in 99.94% acetic acid/0.06% water (w/w) are determined by potentiometric titration with the aid of a semi‐automatic apparatus equipped with a glass electrode. The accuracy of a single determination is ±0.04 pK* AcOH units (standard deviation, 58 degrees of freedom). The pK AcOH *values of several bases are shown to be in linear relationship with the respective pK values in water and with the σ values of the Hammett equation.

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