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The formation of CdCl2-graphite from melts with KCl: The equilibrium of nucleation

✍ Scribed by H.P. Eickhoff; W. Metz

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
379 KB
Volume
25
Category
Article
ISSN
0008-6223

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✦ Synopsis

Abstrad-The threshold pressure of free Cl* in the formation of CdCl,-graphite was measured as a function of the activity of the halide. The intercalation was carried out in the equilibrium of the melt and the gaseous phase. Different vapor pressures were produced by the addition of KC1 to the melt. The beginning of the intercalation was indicated by X-ray diffraction. For the threshold pressure of Cl,, the following law of mass action is valid: pat,* . pg = 0.71 (pressures in mbar) Hence the free Cl, takes part in the nucleation reaction. The composition of the nuclei is about C.CdCIZ,,.

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