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Löslichkeitsprodukte von Metalloxyden und -Hydroxyden. 2. Mitteilung. Das Löslichkeitsprodukt des Thallium(III)-oxydes

✍ Scribed by P. Schindler


Publisher
John Wiley and Sons
Year
1958
Tongue
German
Weight
472 KB
Volume
41
Category
Article
ISSN
0018-019X

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✦ Synopsis


Abstract

The solubility equilibrium of thallium(III) oxide at 25° has been investigated by determining [Tl^3+^] and [H^+^] in solutions in contact with the solid phase. [Tl^3+^] and [H^+^] have been measured by EMF‐method at the constant ionic strength 3 M.

The precipitation reaction attains a steady state after about 200 hours while the dissolving reaction needs only a few hours.

The steady state of both reactions can be expressed by the equation

with

Since in 3 M NaClO~4~

.

Biedermann's measurements of the hydrolysis of Tl^3+^ are discussed with respect to the stability of soluble hydrolysis products.


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