The stability of UO2OH+ and UO2[HPO4]22? complexes at 25°C (reply to a comment by V. S. Tripathi) |
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| Authors: | Donald Langmuir Gaetano Dongarra |
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| Institution: | Department of Chemistry and Geochemistry, Colorado School of Mines, Golden, CO 80401, U.S.A.;Instituto di Mineralogia, Petrografia e Geochimica, Universita di Palermo, Italy |
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| Abstract: | Tripathi argues that we could not determine the stability constant (β2) of UO2HPO4]22? in our solutions because they were supersaturated with respect to solid uranyl triphosphate. This is irrelevant because no phosphate solids were present in solution during our experiments. He further argues that the conditions of our experiments were not ideal for us to determine the potentially most accurate value of β2. This is also irrelevant. The point is that our published value of log β2 = 18.3 ± 0.2 is given with an uncertainty which clearly acknowledges the inaccuracy of its determination based on our experimental and computational approach. |
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