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- W3022100877 abstract "Reduction of pertechnetate by acetohydroxamic acid: Formation of [TcNO(AHA) 2 (H 2 O)] + and implications for the UREX process. Cynthia-May S. Gong 1 , Wayne W. Lukens 2 , Frederic Poineau 1 , and Kenneth R. Czerwinski* 1 . Harry Reid Center for Environmental Studies, Nuclear Science and Technology Division, University of Nevada, Las Vegas, Las Vegas, NV, 89154-4006 2 Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8175 czerwin2@unlv.nevada.edu RECEIVED DATE Pertechnetate reduction by AHA. Abstract. Reductive nitrosylation and complexation of ammonium pertechnetate by acetohydroxamic acid has been achieved in aqueous nitric and perchloric acid solutions. The kinetics of the reaction depend on the relative concentrations of the reaction components and are accelerated at higher temperatures. The reaction does not occur unless conditions are acidic. Analysis of the x-ray absorption fine structure spectroscopic data is consistent with a pseudo-octahedral geometry with the linear Tc-N-O bond typical of technetium nitrosyl compounds, and electron spin resonance spectroscopy is consistent with a the d 5 Tc(II) nitrosyl complex. The nitrosyl source is generally AHA, but may be augmented by products of" @default.
- W3022100877 created "2020-05-13" @default.
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- W3022100877 date "2009-02-26" @default.
- W3022100877 modified "2023-09-23" @default.
- W3022100877 title "Reduction of pertechnetate by acetohydroxamic acid: Formation of [TcNO(AHA)2(H2O)]+ and implications for the UREX process." @default.
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