Chemical Thermodynamics of Uranium

Chemical Thermodynamics of Uranium

Author: Ingmar Grenthe

Publisher: Elsevier Science & Technology

Published: 1992

Total Pages: 744

ISBN-13:

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This volume provides a comprehensive overview on the chemical thermodynamics of those elements that are of particular importance in the safety assessment of radioactive waste disposal systems. This is the first volume in a series of critical reviews to be published on this subject. The book provides an extensive compilation of chemical thermodynamic data for uranium. A description of procedures for activity corrections and uncertainty estimates is given. A critical discussion of data needed for nuclear waste management assessments, including areas where significant gaps of knowledge exist is presented. A detailed inventory of chemical thermodynamic data for inorganic compounds and complexes of uranium is listed. Data and their uncertainty limits are recommended for 74 aqueous complexes and 199 solid and 31 gaseous compounds containing uranium, and on 52 aqueous and 17 solid auxiliary species containing no uranium. The data are internally consistent and compatible with the CODATA Key Values. The book contains a detailed discussion of procedures used for activity factor corrections in aqueous solution, as well as including methods for making uncertainty estimates.


Advances in High Temperature Gas Cooled Reactor Fuel Technology

Advances in High Temperature Gas Cooled Reactor Fuel Technology

Author: International Atomic Energy Agency

Publisher:

Published: 2012-06

Total Pages: 639

ISBN-13: 9789201253101

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This publication reports on the results of a coordinated research project on advances in high temperature gas cooled reactor (HTGR) fuel technology and describes the findings of research activities on coated particle developments. These comprise two specific benchmark exercises with the application of HTGR fuel performance and fission product release codes, which helped compare the quality and validity of the computer models against experimental data. The project participants also examined techniques for fuel characterization and advanced quality assessment/quality control. The key exercise included a round-robin experimental study on the measurements of fuel kernel and particle coating properties of recent Korean, South African and US coated particle productions applying the respective qualification measures of each participating Member State. The summary report documents the results and conclusions achieved by the project and underlines the added value to contemporary knowledge on HTGR fuel.


Synthesis of Lanthanide and Actinide Compounds

Synthesis of Lanthanide and Actinide Compounds

Author: G. Meyer

Publisher: Springer Science & Business Media

Published: 1990-12-31

Total Pages: 394

ISBN-13: 9780792310181

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The history of the rare earths has entered its third century; trans uranium elements are now a half century old. Both the lanthanide and actinide ele­ ments, 30 elements altogether, are f elements, meaninj that their metallic 2 1 1 electronic configurations are typically 6s 5d 4f" and 7s 6d 5f" respectively. To an elementary approximation as summarized in the 'average inorganic chemistry textbook, these configurations cause their chemistry to be described by the trivalent state accompanied by less interesting effects such as the lanthanide contraction. However, the discovery of divalent and tetravalent lanthanides and di- to seven-valent actinides hinted at the existence of more interesting although still classic solid-state and coor­ dination chemistry. Metallic halides and chalcogenides and electron-poor cluster compounds have been the outgrowth of many synthetic efforts during the past 25 years or so. These days, one can say that the lan­ thanides and actinides are not at all boring; the fascination arises from every element being an individual, having its own chemistry.


NAA-SR.

NAA-SR.

Author: U.S. Atomic Energy Commission

Publisher:

Published: 1958

Total Pages: 216

ISBN-13:

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The Manipulation of Air-Sensitive Compounds

The Manipulation of Air-Sensitive Compounds

Author: Duward F. Shriver

Publisher: John Wiley & Sons

Published: 1986-11-05

Total Pages: 340

ISBN-13: 9780471867739

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Revised to reflect the continuing and growing importance of research and development within this field, The Manipulation of Air-Sensitive Compounds, 2nd Edition offers state-of-the-art methods used in handling air-sensitive compounds, including gases. Part One covers inert atmosphere techniques, while Part Two treats vacuum line techniques. Appendixes provide safety data, information on materials used to construct apparatus, and a table of vapor pressures of common volatile substances.


Sample Preparation Techniques in Analytical Chemistry

Sample Preparation Techniques in Analytical Chemistry

Author: Somenath Mitra

Publisher: John Wiley & Sons

Published: 2004-04-07

Total Pages: 480

ISBN-13: 0471457825

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The importance of accurate sample preparation techniques cannot be overstated--meticulous sample preparation is essential. Often overlooked, it is the midway point where the analytes from the sample matrix are transformed so they are suitable for analysis. Even the best analytical techniques cannot rectify problems generated by sloppy sample pretreatment. Devoted entirely to teaching and reinforcing these necessary pretreatment steps, Sample Preparation Techniques in Analytical Chemistry addresses diverse aspects of this important measurement step. These include: * State-of-the-art extraction techniques for organic and inorganic analytes * Sample preparation in biological measurements * Sample pretreatment in microscopy * Surface enhancement as a sample preparation tool in Raman and IR spectroscopy * Sample concentration and clean-up methods * Quality control steps Designed to serve as a text in an undergraduate or graduate level curriculum, Sample Preparation Techniques in Analytical Chemistry also provides an invaluable reference tool for analytical chemists in the chemical, biological, pharmaceutical, environmental, and materials sciences.


Power Plant Engineering

Power Plant Engineering

Author: A. K. Raja

Publisher: New Age International

Published: 2006

Total Pages: 33

ISBN-13: 8122418317

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This Text-Cum-Reference Book Has Been Written To Meet The Manifold Requirement And Achievement Of The Students And Researchers. The Objective Of This Book Is To Discuss, Analyses And Design The Various Power Plant Systems Serving The Society At Present And Will Serve In Coming Decades India In Particular And The World In General. The Issues Related To Energy With Stress And Environment Up To Some Extent And Finally Find Ways To Implement The Outcome.Salient Features# Utilization Of Non-Conventional Energy Resources# Includes Green House Effect# Gives Latest Information S In Power Plant Engineering# Include Large Number Of Problems Of Both Indian And Foreign Universities# Rich Contents, Lucid Manner


Ceramic Powder Preparation: A Handbook

Ceramic Powder Preparation: A Handbook

Author: Dibyendu Ganguli

Publisher: Springer Science & Business Media

Published: 2013-11-27

Total Pages: 227

ISBN-13: 1461563232

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3. 1 Techniques of Comminution 35 3. 2 Solid-Solid Reactions 42 3. 2. 1 Mixing and Calcination 42 3. 2. 2 Modem Techniques 45 3. 3 Solution Techniques 46 3. 3. 1 Precipitation and Co-precipitation 46 Forced Hydrolysis 3. 3. 2 49 3. 3. 3 Hydrotbennal Synthesis 51 The Sol-Gel Process 3. 3. 4 53 3. 3. 5 Hydrolysis of Metal-Organics 56 The Emulsion Process 3. 3. 6 56 Solvent Vaporization 3. 4 59 3. 4. 1 Simple Evaporation 59 3. 4. 2 Spray Drying 60 3. 4. 3 Spray Pyrolysis 64 3. 4. 4 Freeze Drying 66 3. 5 Vapour-Phase Techniques 68 3. 5. 1 Vaporization-Condensation 68 3. 5. 2 Vapour-Vapour Reaction 68 3. 5. 3 Vapour-Liquid Reaction 70 3. 5. 4 Vapour-Solid Reaction 71 3. 6 Precursor Decomposition 72 3. 6. 1 Salt Decomposition 72 3. 6. 2 Polymer Pyrolysis 73 4. Synthetic Powders : Options in Preparation 75 4. 0 Introduction 75 4. 1 Single and Multiple Oxide Powders 75 4. 1. 1 Aluminium Oxide 75 4. 1. 2 Zirconium Oxide 85 4. 1. 3 Titanium Oxide 96 4. 1. 4 Magnesium Oxide 99 4. 1. 5 Silicon Dioxide 101 4. 1. 6 Rare Earth Oxides 105 Yttrium Oxide 105 Cerium Oxide 106 4. 1. 7 Zinc Oxide 107 [vi] 4. 1. 8 Mullite 110 4. 1. 9 Magnesium Aluminate Spinel 114 4. 1.