NDLI: On hafnium chelation by EDTA and DTPA for TDPAC experiments

Content Provider	Springer Nature Link
Author	Chain, Cecilia Y. Pasquevich, A. F.
Copyright Year	2011
Abstract	Polyaminocarboxilate chelating agents, like ethylenediaminetetraacetic acid (EDTA) and diethylenetriaminepentaacetic acid (DTPA), form stable complexes with many heavy metals ions and are of spread use in the industrial and biomedical field. In this paper, Time Differential Perturbed Angular Correlations (TDPAC) spectroscopy has been used to investigate the formation of Hf-complexes prepared from 181Hf-HfF4 and polyaminocarboxylic acids, by taking into account the possible formation of inorganic compounds. The obtained wet precipitates were measured at room temperature. Different behaviors were observed depending on the ratio fluorine/sodium atoms present in the sample. The obtaining of sodium heptafluorohafnate Na3HfF7 was verified when the ratio F/Na was approximately 1.5 and tridecafluorodihafnate Na5Hf2F13 appeared for relations between 3 and 4. No evidence of hafnium complexation by the polyaminocarboxilic acids was observed.
Starting Page	341
Ending Page	346
Page Count	6
File Format	PDF
ISSN	03043843
Journal	Hyperfine Interactions
Volume Number	197
Issue Number	1-3
e-ISSN	15729540
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-01-13
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Chemical reactions Hafnium complexes Sodium tridecafluorodihafnate Sodium heptafluorohafnate Surfaces and Interfaces, Thin Films Condensed Matter Physics Atomic, Molecular, Optical and Plasma Physics Nuclear Physics, Heavy Ions, Hadrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics

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