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plutonium-238

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plutonium-238
Mass number238
Num neutrons144
Num protons94

plutonium-238 is a radioactive isotope of plutonium with a half-life of approximately 87.7 years, which is used as a heat source in radioisotope thermoelectric generators (RTGs) for space exploration missions, such as Voyager 1, Voyager 2, and Curiosity Rover. The United States Department of Energy (DOE) and Los Alamos National Laboratory are involved in the production and management of plutonium-238. The European Space Agency (ESA) and NASA have also utilized plutonium-238 in their spacecraft, including Cassini-Huygens and New Horizons. The Oak Ridge National Laboratory and Idaho National Laboratory have conducted research on the plutonium-238 production process.

Introduction

The plutonium-238 isotope is a byproduct of uranium-238 irradiation in nuclear reactors, such as the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory. The United States has a limited supply of plutonium-238, which is managed by the United States Department of Energy (DOE) and stored at Los Alamos National Laboratory and Idaho National Laboratory. The Russian Federation and France also have plutonium-238 production capabilities, with Rosatom and Commissariat à l'énergie atomique et aux énergies alternatives (CEA) being the primary organizations involved. The International Atomic Energy Agency (IAEA) regulates the use of plutonium-238 and provides guidance on its safety and security.

Properties

The plutonium-238 isotope has a half-life of approximately 87.7 years, which makes it suitable for use in radioisotope thermoelectric generators (RTGs) for space exploration missions. The decay mode of plutonium-238 is alpha decay, which produces helium-4 and uranium-234. The United States Department of Energy (DOE) and Los Alamos National Laboratory have conducted research on the properties of plutonium-238, including its thermal conductivity and electrical conductivity. The European Organization for Nuclear Research (CERN) and Argonne National Laboratory have also studied the properties of plutonium-238.

Production

The production of plutonium-238 involves the irradiation of uranium-238 in nuclear reactors, such as the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory. The United States Department of Energy (DOE) and Los Alamos National Laboratory are involved in the production and management of plutonium-238. The Russian Federation and France also have plutonium-238 production capabilities, with Rosatom and Commissariat à l'énergie atomique et aux énergies alternatives (CEA) being the primary organizations involved. The Idaho National Laboratory and Savannah River Site have also produced plutonium-238 in the past.

Applications

The primary application of plutonium-238 is as a heat source in radioisotope thermoelectric generators (RTGs) for space exploration missions, such as Voyager 1, Voyager 2, and Curiosity Rover. The European Space Agency (ESA) and NASA have also utilized plutonium-238 in their spacecraft, including Cassini-Huygens and New Horizons. The United States Department of Energy (DOE) and Los Alamos National Laboratory have conducted research on the use of plutonium-238 in space exploration. The Jet Propulsion Laboratory and Goddard Space Flight Center have also been involved in the development of plutonium-238-powered spacecraft.

Safety_and_Storage

The safety and storage of plutonium-238 are critical concerns due to its radioactive nature. The United States Department of Energy (DOE) and Los Alamos National Laboratory have developed safety protocols for the handling and storage of plutonium-238. The International Atomic Energy Agency (IAEA) regulates the use of plutonium-238 and provides guidance on its safety and security. The Nuclear Regulatory Commission (NRC) and Environmental Protection Agency (EPA) also have regulations in place for the storage and disposal of plutonium-238. The Sandia National Laboratories and Lawrence Livermore National Laboratory have conducted research on the safety and security of plutonium-238.

History

The history of plutonium-238 dates back to the 1960s, when it was first produced at the Savannah River Site. The United States Department of Energy (DOE) and Los Alamos National Laboratory have been involved in the production and management of plutonium-238 since its inception. The Russian Federation and France also have a long history of plutonium-238 production, with Rosatom and Commissariat à l'énergie atomique et aux énergies alternatives (CEA) being the primary organizations involved. The Apollo program and Voyager program have utilized plutonium-238 in their spacecraft, and the European Space Agency (ESA) and NASA continue to use it in their space exploration missions. The Oak Ridge National Laboratory and Idaho National Laboratory have also played a significant role in the history of plutonium-238. Category:Radioactive isotopes

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