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Stability Constants of Metal Coordination Compounds. Complexes of N- ethylethylenediamine and 2-(Ethylthio)-ethylamine.

Authors
MacDonald-DJ; May-A; Baglin-EG
Source
NTIS: PB 213 951 :19 pages
Link
NIOSHTIC No.
10008946
Abstract
Stability constants, that is, equilibrium constants for complex- formation reactions, have been determined by a titrimetric method for complexes formed by the transition metal ions ni2+, cu2+, zn2+, and cd2+ with the structurally analogous bidentate ligands n- ethylethylenediamine and 2-(ethylthio)-ethylamine. The sulfur containing ligand was found to be the weaker of the two chelating agents for each of the four metals. Absorption spectra of the individual complexes have been determined in order to calculate their crystal field stabilization energies. The combined results suggests a linear relation between free energy of chelation and ionic radius of the metal ion.
Publication Date
19720101
Document Type
IH; Report of Investigation;
Fiscal Year
1972
NTIS Accession No.
PB-213951
NTIS Price
A03
Identifying No.
RI 7694
NIOSH Division
RERC;
Source Name
NTIS: PB 213 951
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