Collection of Czechoslovak Chemical Communications p. 1638 - 1658 (2001)
Update date:2022-08-11
Topics:
Pytela, Oldrich
Kulhanek, Jiri
Jiraskova, Eva
Nevecna, Tatjana
The log I values of 15 mainly ortho substituted derivatives of aniline and N-methylaniline have been measured spectrophotometrically in sulfuric, perchloric, and methanesulfonic acids. A new algorithm has been suggested for construction of acidity functions enabling simultaneous and independent construction of acidity functions in various media under the condition of equal values of pKa of the same indicators in the given media. The so-called interconnected acidity functions have been constructed with using this algorithm and the log I values measured in the above media, and the pKa values have been calculated. The resulting acidity functions and pKa values agree well with the corresponding literature data.
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