Complex of ytterbium ethylenediaminetetraacetate as combined NMR paramagnetic probe for in situ control of temperature and pH in aqueous media

Sergey P. Babailov, Eugeny N. Zapolotsky

Research output: Contribution to journal › Article

Abstract

The paper reports variations in LIS for [Yb(H₂O)_n(EDTA)]⁻ and [Yb₂(EDTA)₃]⁶⁻ complexes as a result of variation in pD and temperature. This is the first detection of kinetically stable complexes of the yttrium subgroup with stoichiometric ratio of 2:3. The experimental paramagnetic lanthanide-induced chemical shift values of these compounds are well fitted by linear dependence on 1/T at different pH values. The [Yb(H₂O)_n(EDTA)]⁻ complex can be considered as one of the most promising combined NMR spectroscopic probe to determine temperature and pH in aqueous media.

Original language	English
Pages (from-to)	323-326
Number of pages	4
Journal	Polyhedron
Volume	139
DOIs	https://doi.org/10.1016/j.poly.2017.11.007
Publication status	Published - 8 Jan 2018

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Keywords

Aqueous solutions
Complexes of lanthanides
Lanthanide-induced shifts in NMR spectra
Temperature and pH sensitive NMR lanthanide paramagnetic probe
Ytterbium

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

Cite this

Babailov, S. P., & Zapolotsky, E. N. (2018). Complex of ytterbium ethylenediaminetetraacetate as combined NMR paramagnetic probe for in situ control of temperature and pH in aqueous media. Polyhedron, 139, 323-326. https://doi.org/10.1016/j.poly.2017.11.007

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10.1016/j.poly.2017.11.007