Issue 16, 2013
From the journal:

Dalton Transactions

Thermodynamic studies of U(vi) complexation with glutardiamidoxime for sequestration of uranium from seawater†

Guoxin Tian,a   Simon J. Teatb  and  Linfeng Rao*a  

* Corresponding authors

a Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA
E-mail: lrao@lbl.gov
Fax: +01 5104865596
Tel: +01 5104865427

b Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA

Abstract

Glutardiamidoxime (H2B), a diamidoxime ligand that has implications in sequestering uranium from seawater, forms strong complexes with UO22+. Five U(VI) complexes were identified in 3% NaCl solution. The stability constants and the enthalpies of complexation were measured by potentiometry and microcalorimetry. The competition between glutardiamidoxime and carbonate for complexing U(VI) in 3% NaCl was also studied in comparison with the cyclic glutarimidedioxime ligand (H2A) previously studied.

Graphical abstract: Thermodynamic studies of U(vi) complexation with glutardiamidoxime for sequestration of uranium from seawater

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Article information

DOI
https://doi.org/10.1039/C3DT32940B
Article type
Paper
Submitted
07 Dec 2012
Accepted
01 Feb 2013
First published
04 Feb 2013

Dalton Trans., 2013,42, 5690-5696

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Thermodynamic studies of U(VI) complexation with glutardiamidoxime for sequestration of uranium from seawater

G. Tian, S. J. Teat and L. Rao, Dalton Trans., 2013, 42, 5690 DOI: 10.1039/C3DT32940B

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