Effects of Alpha, Gamma, and Alpha-recoil Radiation on Borosilicate Glass Containing Savannah River Plant Defense High-level Nuclear Waste. [Lead Ions-250 KeV; Xenon Ions-160 KeV].

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Effects of Alpha, Gamma, and Alpha-recoil Radiation on Borosilicate Glass Containing Savannah River Plant Defense High-level Nuclear Waste. [Lead Ions-250 KeV; Xenon Ions-160 KeV]. by :

Download or read book Effects of Alpha, Gamma, and Alpha-recoil Radiation on Borosilicate Glass Containing Savannah River Plant Defense High-level Nuclear Waste. [Lead Ions-250 KeV; Xenon Ions-160 KeV]. written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: At the Savannah River Plant, the reference process for the immobilization of defense high-level waste (DHLW) for geologic storage is vitrification into borosilicate glass. During geologic storage for 106 y, the glass would be exposed to approx. 3 x 101° rad of .beta. radiation, approx. 101° rad of .gamma. radiation, and 1018 particles/g glass for both .cap alpha. and .cap alpha.-recoil radiation. This paper discusses tests of the effect of these radiations on the leachability and density of the glass. Even though the doses were large, no effect of the radiations was detected that reduced the effectiveness of the glass for long-term storage of DHLW even at doses corresponding to 106 years storage for the actual glass. For the tests, glass containing simulated DHLW was prepared from frit of the reference composition. Three methods were used to irradiate the glass: external irradiations with beams of approx. 200 keV Xe or Pb ions, internal irradiations with Cm-244 doped glass, and external irradiations with Co-60 .gamma. rays. Results with both Xe and Pb ions indicate that a dose of 3 x 1013 ions/cm2 (simulating> 106 years storage) does not significantly increase the leachability of the glass in deionized water. Tests with Cm-244 doped glass show no increase in leach rate in water or brine up to a dose of 1018 .cap alpha. and .cap alpha.-recoils/g glass. Results of larger doses are being examined. The density of the Cm-244 doped glass has decreased by 1% at a dose of 1018 particles/g glass. With .gamma.-radiation, the density has changed by

Energy Research Abstracts

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ISBN 13 :
Total Pages : 868 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1982 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:

High-level Radioactive Wastes

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ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis High-level Radioactive Wastes by :

Download or read book High-level Radioactive Wastes written by and published by . This book was released on 1982 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gamma Irradiation of Nuclear Waste Glass

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ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis Gamma Irradiation of Nuclear Waste Glass by : James Philip Heuer

Download or read book Gamma Irradiation of Nuclear Waste Glass written by James Philip Heuer and published by . This book was released on 1987 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Internal Alpha Radiation on Borosilicate Glass Containing Simulated Radioactive Waste

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Effect of Internal Alpha Radiation on Borosilicate Glass Containing Simulated Radioactive Waste by :

Download or read book Effect of Internal Alpha Radiation on Borosilicate Glass Containing Simulated Radioactive Waste written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: To evaluate borosilicate glass as a matrix for long-term storage of radioactive waste, samples containing 45 wt. percent simulated waste along with 0.5 wt. percent 244Cm or 1 wt. percent 238Pu as alpha particle emitters were synthesized. A glass containing 238Pu without simulated waste was also made. Effects of internal alpha radiolysis from 244Cm and 238Pu on physical stability, leachability, and dilatation of the glasses were examined. Results confirm that glass may be a desirable matrix for fixing SRP radioactive waste for long-term storage. Internal alpha radiolysis and helium accumulation in the small samples did not significantly damage the glass. Actual values for helium solubility and permeability would be necessary, however, to determine whether helium accumulation might eventually damage larger glass monoliths during long-term storage.

Assessment of Savannah River Borosilicate Glass in the Repository Environment

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Assessment of Savannah River Borosilicate Glass in the Repository Environment by :

Download or read book Assessment of Savannah River Borosilicate Glass in the Repository Environment written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1973, borosilicate glass has been studied as a matrix for the immobilization of high-level radioactive waste generated at the Savannah River Plant (SRP). In 1977, efforts began to develop and test the large-scale equipment necessary to convert the alkaline waste slurries at SRP into a durable borosilicate glass. A process has now been developed for the proposed Defense Waste Processing Facility (DWPF) which will annually produce approximately 500 canisters of SRP waste glass which will be stored on an interim basis on the Savannah River site. Current national policy calls for the permanent disposal of high-level waste in deep geologic repositories. In the repository environment, SRP waste glass will eventually be exposed to such stresses as lithostatic or hydrostatic pressures, radiation fields, and self-heating due to radioactive decay. In addition, producing and handling each canister of glass will also expose the glass to thermal and mechanical stresses. An important objective of the extensive glass characterization and testing programs of the Savannah River Laboratory (SRL) has been to determine how these stresses affect the performance of SRP waste glass. The results of these programs indicate that: these stresses will not significantly affect the performance of borosilicate glass containing SRP waste; and SRP waste glass will effectively immobilize hazardous radionuclides in the repository environment.

Characterization of Borosilicate Glass Containing Savannah River Plant Radioactive Waste

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (327 download)

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Book Synopsis Characterization of Borosilicate Glass Containing Savannah River Plant Radioactive Waste by : Ned E. Bibler

Download or read book Characterization of Borosilicate Glass Containing Savannah River Plant Radioactive Waste written by Ned E. Bibler and published by . This book was released on 1983* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recent Results on the Effect of Gamma Radiation on the Durability and Microstructure of DWPF Glass

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ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Recent Results on the Effect of Gamma Radiation on the Durability and Microstructure of DWPF Glass by :

Download or read book Recent Results on the Effect of Gamma Radiation on the Durability and Microstructure of DWPF Glass written by and published by . This book was released on 1989 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of gamma radiation on the durability and microstructure of a simulated nuclear waste glass from the Savannah River Site has been carefully investigated. Three large pieces of glass were irradiated with a Co-60 source to three doses up to a maximum dose of 3.1 x 101° rad. Internal samples of the large pieces of irradiated and unirradiated glass were leached in deionized water to investigate durability changes and were examined by transmission electron microscopy (TEM) to investigate microstructure changes. Leach tests were performed in triplicate at 90°C with crushed glass samples in deionized water. A statistical analysis of the results indicated to the 95% confidence level that the radiation did not affect the glass durability. Careful examination by TEM indicated no effect of gamma radiation on the microstructure of the glass although severe damage could be induced by the electron beam from the microscope. 19 refs., 2 figs., 3 tabs.

The Reaction of Glass During Gamma Irradiation in a Saturated Tuff Environment

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ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (871 download)

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Book Synopsis The Reaction of Glass During Gamma Irradiation in a Saturated Tuff Environment by :

Download or read book The Reaction of Glass During Gamma Irradiation in a Saturated Tuff Environment written by and published by . This book was released on 1988 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physics for Radiation Protection

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Publisher : John Wiley & Sons
ISBN 13 : 3527618805
Total Pages : 844 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Physics for Radiation Protection by : James E. Martin

Download or read book Physics for Radiation Protection written by James E. Martin and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt: A highly practical reference for health physicists and other professionals, addressing practical problems in radiation protection, this new edition has been completely revised, updated and supplemented by such new sections as log-normal distribution and digital radiography, as well as new chapters on internal radiation dose and the environmental transport of radionuclides. Designed for readers with limited as well as basic science backgrounds, the handbook presents clear, thorough and up-to-date explanations of the basic physics necessary. It provides an overview of the major discoveries in radiation physics, plus extensive discussion of radioactivity, including sources and materials, as well as calculational methods for radiation exposure, comprehensive appendices and more than 400 figures. The text draws substantially on current resource data available, which is cross-referenced to standard compendiums, providing decay schemes and emission energies for approximately 100 of the most common radionuclides encountered by practitioners. Excerpts from the Chart of the Nuclides, activation cross sections, fission yields, fission-product chains, photon attenuation coefficients, and nuclear masses are also provided. Throughout, the author emphasizes applied concepts and carefully illustrates all topics using real-world examples as well as exercises. A much-needed working resource for health physicists and other radiation protection professionals.

Medical Imaging Physics

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Publisher : Wiley-Liss
ISBN 13 :
Total Pages : 548 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Medical Imaging Physics by : William R. Hendee

Download or read book Medical Imaging Physics written by William R. Hendee and published by Wiley-Liss. This book was released on 2002 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: William Hendee and Russell Ritenour's comprehensive text provides the tools necessary to be comfortable with the physical principles, technology concepts, equiment, and procedures used in diagnostic imaging, as well as to appreciate the technological capabilities and limitations of the discipline. Readers need not possess a background in physics. Broadly accessible, Medical Imaging Physics covers all aspects of image formation in modern medical imaging modalities, such as radiography, ultrasonography, computed tomopgraphy(CT), nuclear imaging, and magnetic resonance. Other topics covered include; Digital x-ray imaging Doppler ultrasound Helical CT scanning Accumulation and analysis of nuclear data Experimental radiobiology Radiation protection and safety

Engineering for Nuclear Fuel Reprocessing

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ISBN 13 :
Total Pages : 1044 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Engineering for Nuclear Fuel Reprocessing by : Justin T. Long

Download or read book Engineering for Nuclear Fuel Reprocessing written by Justin T. Long and published by . This book was released on 1967 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Radioactivity Analysis

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Publisher : Academic Press
ISBN 13 : 0128143967
Total Pages : 1076 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Handbook of Radioactivity Analysis by : Michael F. L'Annunziata

Download or read book Handbook of Radioactivity Analysis written by Michael F. L'Annunziata and published by Academic Press. This book was released on 2020-03-07 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Radioactivity Analysis: Radiation Physics and Detectors, Volume One, and Radioanalytical Applications, Volume Two, Fourth Edition, constitute an authoritative reference on the principles, practical techniques and procedures for the accurate measurement of radioactivity - everything from the very low levels encountered in the environment, to higher levels measured in radioisotope research, clinical laboratories, biological sciences, radionuclide standardization, nuclear medicine, nuclear power, and fuel cycle facilities, and in the implementation of nuclear forensic analysis and nuclear safeguards. It includes sample preparation techniques for all types of matrices found in the environment, including soil, water, air, plant matter and animal tissue, and surface swipes.Users will find the latest advances in the applications of radioactivity analysis across various fields, including environmental monitoring, radiochemical standardization, high-resolution beta imaging, automated radiochemical separation, nuclear forensics, and more. - Spans two volumes, Radiation Physics and Detectors and Radioanalytical Applications - Includes a new chapter on the analysis of environmental radionuclides - Provides the latest advances in the applications of liquid and solid scintillation analysis, alpha- and gamma spectrometry, mass spectrometric analysis, Cherenkov counting, flow-cell radionuclide analysis, radionuclide standardization, aerosol analysis, high-resolution beta imaging techniques, analytical techniques in nuclear forensics, and nuclear safeguards - Describes the timesaving techniques of computer-controlled automatic separation and activity analysis of radionuclides - Provides an extensive table of the radiation characteristics of most radionuclides of interest for the radioanalytical chemist

Surface Complexation Modelling

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Publisher : Elsevier
ISBN 13 : 0080467784
Total Pages : 653 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Surface Complexation Modelling by : Johannes Lutzenkirchen

Download or read book Surface Complexation Modelling written by Johannes Lutzenkirchen and published by Elsevier. This book was released on 2006-09-02 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface Complexation Modelling deals with various aspects associate to the modelling of solutes adsorption from of solutes from aqueous solutions to minerals. The individual contributions cover fundamental aspects and applications. Applications cover case studies and present consistent surface complexation parameter sets. The model approaches range from simplistic to mechanistic. More fundamental contributions address underlying phenomena or stress the opportunities of modern computational methods. Several mineral systems are covered, including goethite, gibbsite, clay minerals etc.Surface Complexation Modelling presents the state-of-the-art of surface complexation modelling and suggests ideas for further model development. A number of chapters are authored by scientists working on nuclear waste storage, where the retention of radionuclides contributes to preventing radionuclide migration from the repository to the biosphere. Other contributions come from soil and environmental chemists with an interest in reactive transport of pollutants in soils or aquifers. - Covering a wide range of disciplines - Bringing together contributions from experts in the field - Providing a balance between the theoretical and applied aspects

Intense Neutron Sources

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ISBN 13 :
Total Pages : 856 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Intense Neutron Sources by : U.S. Atomic Energy Commission

Download or read book Intense Neutron Sources written by U.S. Atomic Energy Commission and published by . This book was released on 1966 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook on the Physics and Chemistry of the Actinides

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ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Handbook on the Physics and Chemistry of the Actinides by : Arthur J. Freeman

Download or read book Handbook on the Physics and Chemistry of the Actinides written by Arthur J. Freeman and published by . This book was released on 1984 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ions in Hydrocarbons

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ISBN 13 : 9781258812980
Total Pages : 268 pages
Book Rating : 4.8/5 (129 download)

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Book Synopsis Ions in Hydrocarbons by : Andrew Gemant

Download or read book Ions in Hydrocarbons written by Andrew Gemant and published by . This book was released on 2013-09 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: