Health Physics Aspects Of Tritium
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Author |
: International Atomic Energy Agency |
Publisher |
: |
Total Pages |
: 148 |
Release |
: 1991 |
ISBN-10 |
: STANFORD:36105008537693 |
ISBN-13 |
: |
Rating |
: 4/5 (93 Downloads) |
Synopsis Safe Handling of Tritium by : International Atomic Energy Agency
This publication contains information on the dosimetry and monitoring of tritium, the use of protective clothing for work with tritium, safe practices in tritium handling laboratories and details of tritium compatible materials. The information has been compiled from experience in the various applications of tritium and should represent valuable source material to all users of tritium, including those involved in fusion R&D.
Author |
: Marija M. Janković |
Publisher |
: |
Total Pages |
: 295 |
Release |
: 2018 |
ISBN-10 |
: 1536135070 |
ISBN-13 |
: 9781536135077 |
Rating |
: 4/5 (70 Downloads) |
Synopsis Tritium by : Marija M. Janković
Tritium, 3H (T), is a radioactive isotope of hydrogen. Naturally occurring tritium is rare on Earth, where trace amounts are formed by the interaction of the atmosphere with cosmic rays. Once formed in the stratosphere, the tritium atoms have a large amount of kinetic energy. At a pressure lower than atmospheric, they react with the oxygen, creating a stable radical HO2. This radical reacts with ozone, following the photochemical reaction of decomposition TO2 to HTO. Once tritium is incorporated into the water molecule, then it falls to the Earth's surface as precipitation or snow, thus entering into the natural hydrological cycle.With a half-life of 12.32 years and a maximum energy of 18 keV beta radiation, this radioisotope is not dangerous externally, but it can be a radiation hazard when inhaled, ingested via food or water, or absorbed through the skin. The biological half-life ranges from around 7 to 14 days, so bioaccumulation of tritium is not a significant concern.Tritium is a very useful hydro-geological tracer and can be successfully applied in assessing the age of groundwater and residence times of continental hydrologic systems or as an oceanic transient tracer. Tritium releases from nuclear installations may be useful for some applications as a powerful local tracer, but on the other hand such releases may affect the reliability and accuracy of tritium use as a global tracer. For this reason, measuring of the activity concentrations of tritium is regularly a part of every national and/or international monitoring programme. Tritium is also used in radio luminescent light sources for watches and various instruments, and, along with deuterium, as a fuel for nuclear fusion reactors with applications in energy generation and weapons.The amount of tritium that appears in the atmosphere as a product of human activity comes from: nuclear reactors, production of nuclear weapons, atmospheric and above ground nuclear explosions, heavy water and tritium plants, and plants for tritium separation. The use of tritium labeled compounds for medical and research purposes is also a possible source of contamination by tritium.Knowledge of the tritium concentration distribution in the environment, awareness of various anthropogenic sources of tritium, and optimization of measurement conditions are of great importance in various applications and in preserving human health.
Author |
: Thormod Henriksen |
Publisher |
: CRC Press |
Total Pages |
: 241 |
Release |
: 2002-09-05 |
ISBN-10 |
: 9780203166352 |
ISBN-13 |
: 0203166353 |
Rating |
: 4/5 (52 Downloads) |
Synopsis Radiation and Health by : Thormod Henriksen
Radiation and the effects of radioactivity have been known for more than 100 years. International research spanning this period has yielded a great deal of information about radiation and its biological effects and this activity has resulted in the discovery of many applications in medicine and industry including cancer therapy, medical diagnostics
Author |
: B.E. Keen |
Publisher |
: Elsevier |
Total Pages |
: 1039 |
Release |
: 2012-12-02 |
ISBN-10 |
: 9780444600653 |
ISBN-13 |
: 0444600655 |
Rating |
: 4/5 (53 Downloads) |
Synopsis Fusion Technology 1990 by : B.E. Keen
The aim of the biennial series of symposia on Fusion Technology, organized by the European Fusion Laboratories, is the exchange of information on the design, construction and operation of fusion experiments. The coverage of the volume includes the technology aspects of fusion reactors to provide a link to the technology of new developments and form a guideline for the definition of future work. These proceedings comprise two volumes and contain both the invited lectures and contributed papers presented at the Symposium, which was attended by 556 participants from around the globe. The 312 papers in this volume, including 17 invited papers, give a broad and current overview of the progress and trends fusion technology is experiencing now, and the future for fusion devices.
Author |
: James E. Martin |
Publisher |
: John Wiley & Sons |
Total Pages |
: 844 |
Release |
: 2008-07-11 |
ISBN-10 |
: 9783527618804 |
ISBN-13 |
: 3527618805 |
Rating |
: 4/5 (04 Downloads) |
Synopsis Physics for Radiation Protection by : James E. Martin
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.
Author |
: Donald Glenn Jacobs |
Publisher |
: |
Total Pages |
: 100 |
Release |
: 1968 |
ISBN-10 |
: UOM:39015095076595 |
ISBN-13 |
: |
Rating |
: 4/5 (95 Downloads) |
Synopsis Sources of Tritium and Its Behavior Upon Release to the Environment by : Donald Glenn Jacobs
Author |
: |
Publisher |
: |
Total Pages |
: 770 |
Release |
: 1976 |
ISBN-10 |
: UCSC:32106010955992 |
ISBN-13 |
: |
Rating |
: 4/5 (92 Downloads) |
Synopsis NCRP Report by :
Author |
: Joseph John Bevelacqua |
Publisher |
: John Wiley & Sons |
Total Pages |
: 800 |
Release |
: 2016-03-30 |
ISBN-10 |
: 9783527694334 |
ISBN-13 |
: 3527694331 |
Rating |
: 4/5 (34 Downloads) |
Synopsis Health Physics by : Joseph John Bevelacqua
The book bridges the gap between existing health physics textbooks and reference material needed by a practicing health physicist as the 21st century progresses. This material necessarily encompasses emerging radiation-generating technologies, advances in existing technology, and applications of existing technology to new areas. The book is written for advanced undergraduate and graduate science and engineering courses. It is also be a useful reference for scientists and engineers.
Author |
: United States. Bureau of Radiological Health |
Publisher |
: |
Total Pages |
: 300 |
Release |
: 1977 |
ISBN-10 |
: IND:30000092085558 |
ISBN-13 |
: |
Rating |
: 4/5 (58 Downloads) |
Synopsis BRH Publications Index by : United States. Bureau of Radiological Health
Author |
: United States. Federal Highway Administration. Offices of Research and Development |
Publisher |
: |
Total Pages |
: 650 |
Release |
: 1977 |
ISBN-10 |
: UOM:39015047409803 |
ISBN-13 |
: |
Rating |
: 4/5 (03 Downloads) |
Synopsis Report No. FHWA-RD. by : United States. Federal Highway Administration. Offices of Research and Development