Americium and Curium Chemistry and Technology: Papers from a by Dr. Glenn T. Seaborg (auth.), Norman M. Edelstein, James D.

By Dr. Glenn T. Seaborg (auth.), Norman M. Edelstein, James D. Navratil, Wallace W. Schulz (eds.)

The papers incorporated during this quantity have been provided on the symposium on "Americium and Curium Chemistry and know-how" on the foreign Chemical Congress of Pacific Basin Societies in Honolulu, Hawaii, December 16-21, 1984. This symposium honored 40 years of study on americium and curium. therefore, the papers integrated during this quantity commence with historic views at the discovery of americium and curium and the early characterization in their chemical homes, after which disguise quite a lot of topics, equivalent to thermodynamic homes, digital constitution, nuclear reactions, analytic chemistry, excessive strain part transitions, and technological features. hence, this quantity is a overview of the chemistry of americium and curium, and offers a viewpoint at the present examine on those parts 40 years after their discovery. The editors wish to thank the individuals during this symposium for his or her contributions. it's a excitement to recognize the help of Ms. Barbara Moriguchi in dealing with the executive facets of the symposium and of the construction of this quantity. April 2, 1985 Norman M. Edelstein fabrics and Molecular examine department Lawrence Berkeley Laboratory collage of California Berkeley, California 94720, U.S.A. James D. Navratil Rockwell foreign Rocky residences Plant P.O. field 464 Golden, Colorado 80402-0464, U.S.A. Wallace W. Schulz Rockwell Hanford P.O. field 800 Richland, Washington 99352, U.S.A.

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Extra resources for Americium and Curium Chemistry and Technology: Papers from a Symposium given at the 1984 International Chemical Congress of Pacific Basin Societies, Honolulu, HI, December 16–27, 1984

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19. A. b~ B~giQ£b~mi~t~y Qf em~~i£iYm ~ng ~Y~iYm," National Academy of Science-NS3006, 1960. 20. H. §, 185. 21. S. Z, 138. 22. B. , 1961, ~~, 2200. ~~ em~~~ ~b~m~ §Q£~, 23. A. 8, 39. 24. B. , 134. , ~b~m~ ~ng 1962, 1, 25. T. , 1963, ~, 58. 26. , Benz, R. and Douglass, R. , 1963, ~, 799. 27. B. , 1967, ~§, No. 32, 74. ~b~m~ ~Dg gDg~ ~~~~~ 28. K. , "Lanthanide/Actinide Chemistry," Amer. Chem. , 248. 20 YEARS OF AMERICIUM AND CURIUM RESEARCH AT THE EUROPEAN INSTITUTE FOR TRANSURANIUM ELEMENTS W. Muller Commission of the European Communities, Joint Research Centre Karlsruhe Establishment European Institute for Transuranium Elements Postfach 2266 D-7500 Karlsruhe Federal Republic of Germany ABSTRACT.

Conserva~ion of oxida~ion number proved tha~ the black compound was indeed the hydroxide or hydrous oxide of ~e~ravalent americium. Bu~ what to do about this very insoluble ma~erial? Recall ~he earlier men~ion of ammonium ion to bind ~he hydroxide when we had to remove calcium hydroxide from the impure americium trihydroxide slurry? I decided ~o ~rea~ the black, insoluble compound (hydroxide) of te~ravalent americium wi~h a concentrated solu~ion of ammonium fluoride. The ammonium ion was supposed to take up the freed hydroxide and ~he fluoride ion, having ~he same charge and size, was then to replace the hydroxide on the americium to form a fluoride species of ~e~ravalent americium.

1984, 52, 1834. , to be published, Jahrestagung Kerntechnik 85, Mey 7-9 1985, Munchen. , Radiochim. Acta 1984, 36, 69. , pers. cornmunication-,-1984. FRONTIERS OF CHEMISTRY FOR AMERICIUM AND CDRIUM* O. L. Keller, Jr. Oak Ridge National Laboratory P. O. Box X Oak Ridge, TN 37831 ABSTRACT. The discoveries of americium and curium were made only after Seaborg had formulated his actinide concept in order to design the chemistry needed to separate them from irradiated 239pu targets. Their discoveries thus furnished the first clear-cut evidence that the series exists and justified Seaborg's bold assumption that even though Th and Pa appeared to presage a following 6d series, the pattern established by the periodic table after Cs and Ba would be repeated exactly after Fr and Ra.

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