Solvent effects on the formation equilibria of cobalt(II)-chloride system in acetone-water mixture

V. Carunchio; U. Biader Ceipidor; A. Messina

doi:10.1016/S0020-1693(00)91867-X

Solvent effects on the formation equilibria of cobalt(II)-chloride system in acetone-water mixture

V. Carunchio, U. Biader Ceipidor, A. Messina

Fondazione IRCCS Istituto Nazionale dei Tumori

Research output: Contribution to journal › Article › peer-review

Abstract

The data about cobalt(II) - chloride complexes in acetone solution have been completed by recent spectrophotometric methods (K₃=4.5 10⁷; K₄=6.1 10²). Furthermore, the influence of water addition on the system has been pointed out by considering the dielectric and donor properties of the solvent mixture. The results show a linear correlation of the complex species distribution with the reciprocal dielectric constant of the simple binary system, so that a possible explanation of the present data and of those of some oher authors has been discussed in terms of DEC influence on dissociation reactions. Donor number equality for water and acetone has made it possible to minimize the solvent influence on the ionization processes when varying water-acetone ratio.

Original language	English
Pages (from-to)	613-618
Number of pages	6
Journal	Inorganica Chimica Acta
Volume	6
Issue number	C
DOIs	https://doi.org/10.1016/S0020-1693(00)91867-X
Publication status	Published - 1972

ASJC Scopus subject areas

Biochemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Materials Chemistry

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10.1016/S0020-1693(00)91867-X

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title = "Solvent effects on the formation equilibria of cobalt(II)-chloride system in acetone-water mixture",

abstract = "The data about cobalt(II) - chloride complexes in acetone solution have been completed by recent spectrophotometric methods (K3=4.5 107; K4=6.1 102). Furthermore, the influence of water addition on the system has been pointed out by considering the dielectric and donor properties of the solvent mixture. The results show a linear correlation of the complex species distribution with the reciprocal dielectric constant of the simple binary system, so that a possible explanation of the present data and of those of some oher authors has been discussed in terms of DEC influence on dissociation reactions. Donor number equality for water and acetone has made it possible to minimize the solvent influence on the ionization processes when varying water-acetone ratio.",

author = "V. Carunchio and Ceipidor, {U. Biader} and A. Messina",

year = "1972",

doi = "10.1016/S0020-1693(00)91867-X",

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T1 - Solvent effects on the formation equilibria of cobalt(II)-chloride system in acetone-water mixture

AU - Carunchio, V.

AU - Ceipidor, U. Biader

AU - Messina, A.

PY - 1972

Y1 - 1972

N2 - The data about cobalt(II) - chloride complexes in acetone solution have been completed by recent spectrophotometric methods (K3=4.5 107; K4=6.1 102). Furthermore, the influence of water addition on the system has been pointed out by considering the dielectric and donor properties of the solvent mixture. The results show a linear correlation of the complex species distribution with the reciprocal dielectric constant of the simple binary system, so that a possible explanation of the present data and of those of some oher authors has been discussed in terms of DEC influence on dissociation reactions. Donor number equality for water and acetone has made it possible to minimize the solvent influence on the ionization processes when varying water-acetone ratio.

AB - The data about cobalt(II) - chloride complexes in acetone solution have been completed by recent spectrophotometric methods (K3=4.5 107; K4=6.1 102). Furthermore, the influence of water addition on the system has been pointed out by considering the dielectric and donor properties of the solvent mixture. The results show a linear correlation of the complex species distribution with the reciprocal dielectric constant of the simple binary system, so that a possible explanation of the present data and of those of some oher authors has been discussed in terms of DEC influence on dissociation reactions. Donor number equality for water and acetone has made it possible to minimize the solvent influence on the ionization processes when varying water-acetone ratio.

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Solvent effects on the formation equilibria of cobalt(II)-chloride system in acetone-water mixture

Abstract

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