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Disproportionation And Polymerization Of Plutoniumiv In Dilute Aqueous Solutions
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Book Synopsis Disproportionation and Polymerization of Plutonium(IV) in Dilute Aqueous Solutions by :
Download or read book Disproportionation and Polymerization of Plutonium(IV) in Dilute Aqueous Solutions written by and published by . This book was released on 1983 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rates of polymerization and disproportionation of Pu(IV) have been studied using low concentrations: (1.7 - 10) x 10−M Pu, (0.8 - 12) x 10−M HCl and 0.0iM ionic strength. Osmium(II) complexes such as the tris-4,4'-2,2'-bipyridine complex were found to react rapidly with Pu(IV) but very slowly, if at all, with Pu(IV) polymer, Pu(III), or Pu(V). Thus, it is possible to determine unreacted Pu(IV) in the presence of rection products by using Os(II) complexes. Disproportionation reaction products, Pu(III) and Pu(V), were determined using their reactions with Ce(IV) sulfate. We find -d[Pu(IV)]/dt = k'[Pu(IV)]2 at constant pH. Log k' varies from about 4.25 at pH 3 to about 7.0 at pH 4.1 (units for k' are M−1min−1). The [H] dependence varies from about -2 to -3 over the pH range studied. The measured rate is the sum of those for polymerization and disproportionation; the latter reaction amounts to about 75% of the total at pH 3 and 20% at pH 4. The second-order rate constants for disproportionation are very much larger than expected on the basis of extrapolation from 0.2 to 1.0M HC104 solutions. The products of the reaction do not affect the rate, but U(VI), aged Pu(IV) polymer, and CO2 increase the rate.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 2nd annual workshop proceedings of the collaborative project "Redox Phenomena Controlling Systems" by : Gunnar Buckau
Download or read book 2nd annual workshop proceedings of the collaborative project "Redox Phenomena Controlling Systems" written by Gunnar Buckau and published by KIT Scientific Publishing. This book was released on 2011 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Disproportionation of Tetravalent and Pentavalent Plutonium Ions by : Silver G. L.
Download or read book Disproportionation of Tetravalent and Pentavalent Plutonium Ions written by Silver G. L. and published by . This book was released on 1970 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plutonium literature does not satisfactorily include the four common oxidation states of plutonium in discussions of the stoichiometry of the disproportionation of the tetravalent and pentavalent states of this element. A theoretical study of possible consequences of including all common oxidation states of plutonium in the disproportionation reactions was made. The study, based upon available potential and free energy data, indicates that the disproportionation equations can be written with all four species included. The potential behavior of disproportionated plutonium solutions can be predicted with the aid of these new equations. The equations also predict that the hydrogen ion dependence of plutonium disproportionation reactions should not be exactly fourth power at all acidities.
Book Synopsis Radionuclide Behaviour in the Natural Environment by : Christophe Poinssot
Download or read book Radionuclide Behaviour in the Natural Environment written by Christophe Poinssot and published by Elsevier. This book was released on 2012-09-20 with total page 737 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding radionuclide behaviour in the natural environment is essential to the sustainable development of the nuclear industry and key to assessing potential environmental risks reliably. Minimising those risks is essential to enhancing public confidence in nuclear technology. Scientific knowledge in this field has developed greatly over the last decade.Radionuclide behaviour in the natural environment provides a comprehensive overview of the key processes and parameters affecting radionuclide mobility and migration. After an introductory chapter, part one explores radionuclide chemistry in the natural environment, including aquatic chemistry and the impact of natural organic matter and microorganisms. Part two discusses the migration and radioecological behavior of radionuclides. Topics include hydrogeology, sorption and colloidal reactions as well as in-situ investigations. Principles of modelling coupled geochemical, transport and radioecological properties are also discussed. Part three covers application issues: assessment of radionuclide behaviour in contaminated sites, taking Chernobyl as an example, estimation of radiological exposure to the population, performance assessment considerations related to deep geological repositories, and remediation concepts for contaminated sites. With its distinguished editors and international team of expert contributors, Radionuclide behaviour in the natural environment is an essential tool for all those interested or involved in nuclear energy, from researchers, designers and industrial operators to environmental scientists. It also provides a comprehensive guide for academics of all levels in this field. Provides a comprehensive overview of the key processes and parameters affecting radionuclide mobility and migration Explores radionuclide chemistry in the natural environment Discusses the migration and radioecological behaviour of radionuclides
Book Synopsis Optimization and Plutonium Equilibrium by : Gary L. Silver
Download or read book Optimization and Plutonium Equilibrium written by Gary L. Silver and published by . This book was released on 1976 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sequential simplex method has been used to estimate the extent of disproportionation of tetravalent plutonium in dilute acid. A method for simulating potentiometric titrations is proposed, and this method suggests that the stoichiometric end point and the inflection point may not always correspond in the potentiometric titration of plutonium. A possible characteristic equation for the nitrite-plutonium reaction is illustrated, and the method of proportional equations is extended to the iron-plutonium reaction.
Book Synopsis Scientific Basis for Nuclear Waste Management VII by : G. L. McVay
Download or read book Scientific Basis for Nuclear Waste Management VII written by G. L. McVay and published by North Holland. This book was released on 1984 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific Basis for Nuclear Waste Management by :
Download or read book Scientific Basis for Nuclear Waste Management written by and published by . This book was released on 1984 with total page 1154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book US Spent Fuel Policy written by and published by . This book was released on 1980 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1985 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plutonium Disproportionation Reactions by : G. L. Silver
Download or read book Plutonium Disproportionation Reactions written by G. L. Silver and published by . This book was released on 1971 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-06 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Disproportionation of plutonium IV in concentrated solutions of plutonium in perchloric acid by : C. Poitrenaud
Download or read book Disproportionation of plutonium IV in concentrated solutions of plutonium in perchloric acid written by C. Poitrenaud and published by . This book was released on 1976 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindex written by and published by . This book was released on 1986 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Assessment written by and published by . This book was released on 1986 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1984 with total page 1522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1984 with total page 1534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
