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