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Détermination pH-métrique des constantes acide-base par la fonction de formation. IIe partie

✍ Scribed by I. Kapétanidis; D. Monnier

Publisher
John Wiley and Sons
Year
1959
Tongue
German
Weight
279 KB
Volume
42
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

A new method for the calculation of the acid‐base constants based on the pH− metry has been proposed in a previous paper. The formulas given apply particularly well in cases where the constants differ little from each other. The results obtained are satisfactory only if the concentrations of the compounds investigated are sufficiently high and the acid‐base constants neither too small (less than ^−9^) nor too high (higher than 10^−3^) The initial formulas have therefore been modified in order to apply to all cases. The four constants of ethyleneglycol‐bis‐(β‐aminoethyl ether)‐N, N′‐tetraacetic acid are calculated using the approximative and the generalized formulas. On the other hand the constants of β,β′‐diaminodiethylether‐N, N′‐tetra‐acetic and diglycolic acids are calculated with the help of the generalized formulas.

📜 SIMILAR VOLUMES

Détermination pH-métrique des constantes
Détermination pH-métrique des constantes acide-base par la fonction de formation
✍ D. Monnier; I. Kapétanidis 📂 Article 📅 1958 🏛 John Wiley and Sons 🌐 German ⚖ 312 KB

## Abstract A new method is proposed for the calculation of the dissociation constants of mono‐ and polybasic acids. This method permits the pH‐metric determination of the constants, even and especially if their values are very close, and is of wide application. Two examples are given: determinati