Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Solvent Effect on the Liquid–Liquid Partition Coefficients of Dimethyldithiocarbamic Acid and Its Copper(II) Chelate
Hisanori ImuraSatoru MatsumoraNobuo Suzuki
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1986 Volume 59 Issue 2 Pages 621-626


Partition coefficients of dimethyldithiocarbamic acid and its copper(II) chelate have been determined in various organic solvents −0.10 mol dm−3 aqueous perchlorate solution systems at 25 °C. The effects of inert organic solvents are explained with the aid of the regular solution theory. Also, a linear free-energy relationship between the partition coefficient of the copper(II) chelate and that of the reagent is demonstrated. The partition coefficient of the copper(II) chelate is compared with that of bis(2,4-pentanedionato)copper(II) and various factors governing the partition coefficients of these chelates are discussed with the aid of the scaled particle theory.

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