A Photochemical Method for Separating the Oxygen Isotopes PDF Download
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Author: Robert Franklin McCune
Publisher:
ISBN:
Category : Isotopes
Languages : en
Pages : 4
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Author: Robert Franklin McCune
Publisher:
ISBN:
Category : Isotopes
Languages : en
Pages : 4
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Author: T. I. Barry
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: I. Shmelev
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
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Book Description
Isotopes are varieties of a single chemical element having different atomic weights. Thus, for instance, tin (atomic weight 118.70) has 10 isotopes with atomic weights of 112, 114, 115, 116, 117, 118, 119 120 122, 124. Because the charge of their atomic nuclei is the same, all of them occupy one and the same place in the periodic table of Mendeleyev.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 726
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Author:
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ISBN:
Category :
Languages : en
Pages :
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To find a process for successful photochemical separation of isotopes several conditions have to be fulfilled. First, the different isotopes have to show some differences in the spectrum. Secondly, and equally important, this difference must be capable of being exploited in a photochemical process. Parts A and B outline the physical and chemical conditions, and the extent to which one might expect to find them fulfilled. Part C deals with the applicability of the process.
Author:
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ISBN:
Category : Isotopes
Languages : en
Pages : 88
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Author: G. H. Clewett
Publisher:
ISBN:
Category : Isotope separation
Languages : en
Pages : 28
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Author:
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ISBN:
Category :
Languages : en
Pages :
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A device and method for separating oxygen isotopes with an ArF laser which produces coherent radiation at approximately 193 nm. The output of the ArF laser is filtered in natural air and applied to an irradiation cell where it preferentially photodissociates molecules of oxygen gas containing .sup. 17 O or .sup. 18 O oxygen nuclides. A scavenger such as O.sub. 2, CO or ethylene is used to collect the preferentially dissociated oxygen atoms and recycled to produce isotopically enriched molecular oxygen gas. Other embodiments utilize an ArF laser which is narrowly tuned with a prism or diffraction grating to preferentially photodissociate desired isotopes. Similarly, desired mixtures of isotopic gas can be used as a filter to photodissociate enriched preselected isotopes of oxygen.
Author: Petr Artemovich Bokhan
Publisher: John Wiley & Sons
ISBN: 3527608672
Category : Science
Languages : en
Pages : 198
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Written by leading Russian scientists, including Nobel laureate, A.M. Prokhorov (1916-2002), this first book on this important technology allows an understanding of the physics of atomic vapor laser isotope separation and new photochemical methods of laser isotope separation. One entire chapter is devoted to chemical reactions of atoms in excited states, while further chapters deal with the separation of isotopes by one photon isotope-selective and coherent isotope-selective two photon excitation of atoms. A final chapter looks at the prospects for the industrial production of isotope products by laser isotope separation. The whole is rounded off by six appendices.
Author: Los Alamos Scientific Laboratory. Applied Photochemistry Division
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 20
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