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L'action de l'ammoniac sur l'hydroxyde de cadmium et la stabilité des complexes en milieu aqueux

✍ Scribed by A. O. Gübeli; R. Taillon


Publisher
John Wiley and Sons
Year
1971
Tongue
German
Weight
533 KB
Volume
54
Category
Article
ISSN
0018-019X

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✦ Synopsis


The solubility of precipitated Cd(OH), was determined at 25°C in 1~ NaClO,, as a function of p H and of the ammonia content of the solutions. Formation constants were obtained for the following hydroxo, ammine and hydroxo-ammine complexes: CdOH+, Cd(OH),, Cd(OH)2,-, CdNHi+, Cd(NH,)i+, Cd(NH,)$+, Cd(NH,)$+ and Cd(OH),NH,. The solubility product of the hydroxide was also calculated.

The presence of polynuclear species was investigated by titrimetric determinations of the hydrogen ion concentration at constant metal concentration.


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