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Solubility of I2(s) and equilibrium concentration of the (I2+C6H6) charge transfer complex in supercritical xenon with added C6H6

✍ Scribed by Hugo Destaillats; Roberto Fernández-Prini

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 215 KB
Volume: 29
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1997.0237

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✦ Synopsis

The solubility of I s in supercritical xenon with and without added C H has been 2 6 6 Ž . Ž . measured at the temperatures T s 300.79 " 0.04 K and 318.70 " 0.02 K over the pressure range from 5 MPa to 10 MPa. The u.v. absorbance due to the charge transfer interaction Ž . Ž . between I acceptor and C H donor was also measured when the fluid was saturated, 2 6 6

Ž . and also when unsaturated, with I . The enhancement of the solubility of I s due to added 2 2 C H was moderate, supporting the view that the charge transfer process does not contribute 6 6 significantly to the thermodynamic properties of donor and acceptor. The effect of density on the equilibrium concentration quotient for the formation of the donor᎐acceptor complex is discussed.

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