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Measurement of the Dissociation of EuII-Containing Cryptates Using Murexide
Chamika U Lenora1, Richard J Staples2, Matthew J Allen1
1Department of Chemistry , Wayne State University , Detroit , Michigan 48202 , United States.
Abstract:
The dissociation rates of five EuII-containing cryptates in water were measured using UV-visible spectroscopy and murexide at pH 6.5, 7, 7.5, 8, and 9. Murexide was used as a coordinating dye for EuII. The results for a known cryptate were within experimental error of the value obtained using other methods and enabled the measurement of other cryptates. This validation of the use of murexide to study the dissociation of EuII-containing cryptates enables its use with other complexes of EuII.
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