Research Article
General Analytical Procedure for Determination of Acidity Parameters of Weak Acids and Bases
Table 4
The experimental p
data obtained for the mixture of A + MA + PhA + Py3CA and 2,6PyDCA + Py3CA.
| | Composition of D | p | p | p | p | p |
| | A + MA + PhA + Py3CA | pK1 | 3.11 ± 0.05 | — | 3.74 ± 0.03 | 4.68 ± 0.02 | | pK2 | 5.62 ± 0.03 | 4.82* | — | — |
| | Composition of D | p | p | p | — | — |
| | 2,6PyDCA + Py3CA | pK1 | 2.41 ± 0.04 | — | — | — | | pK2 | 4.72 ± 0.02 | 5.19 ± 0.04 | — | — |
| | Composition of D | p | p | p | p | — |
| | PhA + Py3CA + CA | pK1 | 3.12 ± 0.03 | — | 3.04 ± 0.03 | — | | pK2 | 5.53 ± 0.03 | 4.82* | 4.46 ± 0.05 | — | | pK3 | — | — | 6.05 ± 0.04 | — |
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*p value const. from the literature [see Table 11].
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