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Potentiometric and NMR study of ethylenediamine-N,N,N',N'-tetrakis[methylene(phenylphosphinic)] acid and its complexing properties

Authors :
Pavel Pech
Petr Hermann
Ivan Lukeš
Source :
Collection of Czechoslovak Chemical Communications. 54:653-662
Publication Year :
1989
Publisher :
Institute of Organic Chemistry & Biochemistry, 1989.

Abstract

The dissociation constants of ethylenediamine-tetrakis-[methylene(phenylphosphinic)] acid (H4edtmpPh) and its stability constants with Mg2+, Ca2+, Sr2+, Ba2+, Mn2+, Fe2+, Co2+ and Ni2+ have been determined. Study of the dependence of the 1H, 31P and 13C NMR spectra of H4edtmpPh solutions on the pH indicates that it is more similar to H4edta than to analogous phosphonic acids.

Details

ISSN :
12126950 and 00100765
Volume :
54
Database :
OpenAIRE
Journal :
Collection of Czechoslovak Chemical Communications
Accession number :
edsair.doi...........46ce756911a0d85a84b07876809b32c9
Full Text :
https://doi.org/10.1135/cccc19890653