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Solubility Product of Tetravalent Plutonium Hydroxide and Study of the Amphoteric Character of Hexavalent Plutonium Hydroxide

Published/Copyright: June 1, 1965
Radiochimica Acta
From the journal Radiochimica Acta Volume 4 Issue 2

Summary

The solubility dependence of Pu(OH)4 as a function of the p n of diluted equilibrating perchloric acid solutions has been studied by covering a wide interval of ps- From the experimental solubility data obtained and some theoretical implications, an attempt has been made to conciliate the extrapolated, experimentally found thermodynamic solubility product with DEBYE-HÜCKELS theory on ionic effects to account for the variations observed of the apparent solubility product throughout the different experiments carried out. The study of the apparent solubility product as a function of the ionic force has evidenced the existence of important discontinuities, which have been tentatively referred to a number of hypothesis based on the variation of the ionic activities of the present species, and on the impurities characterized in the precipitate systematically used as the starting material throughout this work. Some other interesting features of Pu (OH)! connected with this investigation have been studied in detail. Since the analysis of the precipitate employed has evidenced the presence of some percent amounts of plutonyl hydroxide, a study of the amphoteric characteristics of this species could be undertaken simultaneously. The method used for the calculation of the instability constant of the amphoteric process involved has been described in detail. A single ion-exchange experiment has been carried out with the aim of getting some information on the state of plutonium in very diluted aqueous solutions.

Published Online: 1965-6-1
Published in Print: 1965-6-1

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Articles in the same Issue

  1. Study of the Plutonium (IV) - Arsenazo I Complex and its Applicability to the Analytical Chemistry of Plutonium Traces in Solution
  2. Solubility Product of Tetravalent Plutonium Hydroxide and Study of the Amphoteric Character of Hexavalent Plutonium Hydroxide
  3. Separation of Americium (III) from Lanthanides by Quaternary Ammonium Salt Extraction
  4. Isolation and Identification of 12.4-Minute 133Teg
  5. Papierelektrophoretische Untersuchungen der Reaktionsprodukte des Ruthentetroxids mit Wasserstoffperoxid
  6. Szilard-Chalmers Reaction of the Trioxalatochromium Ion Adsorbed on an Anion-Exchange Resin under Continuous Elution Conditions
  7. Effets de protection et de sensibilisation dans la décomposition radiolytique du phosphate de tributyle
  8. Schutzeffekt in Styrol-Acrylnitril-Copolymeren bei der Einwirkung ionisierender Strahlung
  9. Determination of Iodine, Bromine, and Chlorine in Atmospheric Samples by Neutron Activation Analysis
  10. Chemische Folgen des β-Zerfalls von 210Bi in Triarylwismutdihalogeniden
  11. Technische Mitteilungen
  12. A New Method for the Preparation of Carrier-Free Phosphorus-32
  13. Packaging Liquid Samples for Reactor Neutron Irradiation
  14. Application of Lithium-Drifted Germanium Solid-State Detectors to the Determination of Hafnium in Zirconium Oxide by Activation Analysis
  15. Kurze Mitteilungen
  16. Über Spalt-Technetium I
  17. Zum Verhalten des Neptuniums und verschiedener Spaltprodukte bei heterogenen Reaktionen zwischen neutronenbestrahlten Uranverbindungen und Komplexbildnern
  18. Fission Cross-Section of Bismuth for 14.8 MeV Neutrons
  19. The Chromatographic Separation of Am-Cm on Paper
  20. Cyclohexadienyl-t Radicals in Recoil Tritium Reactions with Benzene
https://doi.org/10.1524/ract.1965.4.2.67

Articles in the same Issue

  1. Study of the Plutonium (IV) - Arsenazo I Complex and its Applicability to the Analytical Chemistry of Plutonium Traces in Solution
  2. Solubility Product of Tetravalent Plutonium Hydroxide and Study of the Amphoteric Character of Hexavalent Plutonium Hydroxide
  3. Separation of Americium (III) from Lanthanides by Quaternary Ammonium Salt Extraction
  4. Isolation and Identification of 12.4-Minute 133Teg
  5. Papierelektrophoretische Untersuchungen der Reaktionsprodukte des Ruthentetroxids mit Wasserstoffperoxid
  6. Szilard-Chalmers Reaction of the Trioxalatochromium Ion Adsorbed on an Anion-Exchange Resin under Continuous Elution Conditions
  7. Effets de protection et de sensibilisation dans la décomposition radiolytique du phosphate de tributyle
  8. Schutzeffekt in Styrol-Acrylnitril-Copolymeren bei der Einwirkung ionisierender Strahlung
  9. Determination of Iodine, Bromine, and Chlorine in Atmospheric Samples by Neutron Activation Analysis
  10. Chemische Folgen des β-Zerfalls von 210Bi in Triarylwismutdihalogeniden
  11. Technische Mitteilungen
  12. A New Method for the Preparation of Carrier-Free Phosphorus-32
  13. Packaging Liquid Samples for Reactor Neutron Irradiation
  14. Application of Lithium-Drifted Germanium Solid-State Detectors to the Determination of Hafnium in Zirconium Oxide by Activation Analysis
  15. Kurze Mitteilungen
  16. Über Spalt-Technetium I
  17. Zum Verhalten des Neptuniums und verschiedener Spaltprodukte bei heterogenen Reaktionen zwischen neutronenbestrahlten Uranverbindungen und Komplexbildnern
  18. Fission Cross-Section of Bismuth for 14.8 MeV Neutrons
  19. The Chromatographic Separation of Am-Cm on Paper
  20. Cyclohexadienyl-t Radicals in Recoil Tritium Reactions with Benzene
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