Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3739
Title: A POTENTIOMETRIC STUDY ON THE COMPLEXATION OF AG(I) WITH VARIOUS N-METHYL AND C-METHYL SUBSTITUTED ETHYLENEDIAMINES IN 1-M NO3-
Authors: GARNER, R
YPERMAN, Jan 
MULLENS, Jules 
VAN POUCKE, Lucien 
Issue Date: 1994
Publisher: ELSEVIER SCIENCE SA LAUSANNE
Source: INORGANICA CHIMICA ACTA, 224(1-2). p. 97-104
Abstract: The complexation of Ag(I) with five different N-methyl substituted, two C-methyl substituted ethylenediamines and ethylenediamine itself is studied using potentiometric pH and pAg measurements in 1 M KNO3 at 25.0-degrees-C. Mononuclear complexes, polynuclear complexes and their protonated forms are detected and the respective stability constants are tabulated. The stability constant of a given species generally decreases as the methylation increases on the terminal amino groups probably due to an increased steric hindrance. The number of species also decreases as the methylation increases. The stability constants of the ethylenediamines are also compared with previously determined stability constants of Ag(I)-propylenediamine complexes and some relationships are identified.
Notes: GARNER, R, LIMBURGS UNIV CTR,INORGAN & PHYS CHEM LAB,B-3590 DIEPENBEEK,BELGIUM.
Keywords: POTENTIOMETRIC TITRATION; STABILITY CONSTANTS; SILVER COMPLEXES; DIAMINE COMPLEXES
Document URI: http://hdl.handle.net/1942/3739
ISI #: A1994PH02200012
Type: Journal Contribution
Appears in Collections:Research publications

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