Experimental and Theoretical Investigation of Isotope Fractionation of Zinc between Aqua, Chloro, and Macrocyclic Complexes - INSU - Institut national des sciences de l'Univers Access content directly
Journal Articles The Journal of physical chemistry Year : 2010

Experimental and Theoretical Investigation of Isotope Fractionation of Zinc between Aqua, Chloro, and Macrocyclic Complexes

Toshiyuki Fujii
  • Function : Correspondent author
  • PersonId : 922777

Connectez-vous pour contacter l'auteur
Frédéric Moynier
  • Function : Author
  • PersonId : 862350
Philippe Telouk
  • Function : Author
M. Abe
  • Function : Author

Abstract

This work reports on the chemical isotope fractionation of Zn(II) by a solvent extraction method with the crown ether dicyclohexano-18-crown-6. The (m)Zn/(64)Zn ratios (m = 66, 67, and 68) were analyzed by multiple-collector inductively coupled plasma mass spectrometry. The relative deviations of the (66)Zn/(64)Zn ratios relative to the unprocessed material (delta(66)Zn) was determined to be -0.51 to -0.32 in the acidity region 1.0-6.0 mol dm(-3) (M) HCl. The acidity dependence or delta(m)Zn was explained by the isotope exchange reactions between Zn(II) species (Zn(2+), ZnCl(+), ZnCl(2), ZnCl(3)(-), and ZnCl(4)(2-)) and the mole fractions of them. The magnitude of delta(m)Zn due to the related Zn(II) species estimated by quantum chemical calculations was in agreement with delta(m)Zn experimentally obtained. Contribution of nuclear field shift to the isotope fractionation was estimated to be less than 10% of delta(m)Zn by quantum chemical calculations.
Not file

Dates and versions

insu-00681729 , version 1 (22-03-2012)

Identifiers

Cite

Toshiyuki Fujii, Frédéric Moynier, Philippe Telouk, M. Abe. Experimental and Theoretical Investigation of Isotope Fractionation of Zinc between Aqua, Chloro, and Macrocyclic Complexes. The Journal of physical chemistry, 2010, 114 (7), pp.2543-2552. ⟨10.1021/jp908642f⟩. ⟨insu-00681729⟩

Collections

INSU
39 View
0 Download

Altmetric

Share

Gmail Facebook Twitter LinkedIn More