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Download e-book for iPad: Analytical Chemistry of Uranium: Environmental, Forensic, by Zeev Karpas

By Zeev Karpas

ISBN-10: 148222058X

ISBN-13: 9781482220582

Accurate uranium research, and especially for isotope measurements, is key in lots of fields, together with environmental reviews, geology, hydrogeology, the nuclear undefined, well-being physics, and native land safety. however, just a couple of clinical books are devoted to uranium generally and analytical chemistry facets particularly. Analytical Chemistry of Uranium: Environmental, Forensic, Nuclear, and Toxicological purposes covers the interesting advances within the box of analytical chemistry of uranium.

Exploring a large diversity of issues, the booklet specializes in the analytical points of commercial methods that contain uranium, its presence within the atmosphere, wellbeing and fitness and organic implications of publicity to uranium compounds, and nuclear forensics.

Topics include:

  • Examples of tactics used to represent uranium in environmental samples of soil, sediments, plants, water, and air
  • Analytical equipment used to check the rigorous requisites of uranium and its compounds deployed within the nuclear gas cycle
  • Health points of publicity to uranium and the bioassays used for publicity review
  • Up-to-date analytical concepts utilized in nuclear forensics for safeguards in aid of non-proliferation, together with unmarried particle characterization

Each bankruptcy contains an outline of the subject and a number of other examples to illustrate the analytical tactics. this is often via pattern guidance, separation and purification concepts the place helpful. The e-book provides readers with a pretty good knowing of the analytical chemistry procedure used this present day for characterizing the several points of uranium, offering a great place to begin for extra research into this significant element.

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Extra resources for Analytical Chemistry of Uranium: Environmental, Forensic, Nuclear, and Toxicological Applications

Example text

The starting material for natural uranium oxide fuel used in the PHWR type of reactors is the indigenously available uranium concentrate mostly in the mineral belt of Jharkhand that is produced at the uranium mines of Uranium Corporation of India Ltd. (UCIL). The fuel assembly for the BWR type of reactors is made of lowenriched uranium (LEU), which is imported in the form of uranium hexafluoride. The conversion of uranium concentrate or UF6 to nuclear grade UO2 involves various chemical process steps such as dissolution of uranium ore concentrate in nitric acid to dissolve uranium for the PHWR fuel or hydrolysis of LEU UF6, in case of BWR fuel production stream.

Uranium may then be precipitated if oxidation conditions or alkalinity change, thus forming deposits in a wide variety of geological locations. Uranium tends to fractionate when magmas are formed and therefore may accumulate in alkaline granite melts. Exceptionally rich deposits of uranium are found in the Athabasca Basin in Canada where the average grade of U3O8 reaches 18%. Among the various types of deposits that contain uranium are major unconformities between quartz-rich sandstone and deformed metamorphic basement rocks (like the Athabasca Basin).

While the isotope composition changes during the enrichment process, the chemical form of the feed, product, and tails as UF6 is retained. The cylinder used to collect the product is normally smaller than the feed cylinder while the tails collection is usually about the same size as the feed cylinder. The UF6 enriched product (or depleted tails) needs to be converted to a commercially useful form as uranium dioxide for LEU fuel elements or to metallic uranium for other types of fuel or special nuclear materials.

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Analytical Chemistry of Uranium: Environmental, Forensic, Nuclear, and Toxicological Applications by Zeev Karpas

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