546.44 TRA

CONTENTS

Contributors Preface

Introduction Transuranium Elements : Their Impact on Science and Technology L. R. Morss and J. Fuger

Historical Viewpoints Transuranium Elements : A Half Century Glenn T. Seaborg Discovery of Neptunium Philip H. Abelson Chemistry of Revealed Robert E. Connick The Transuranium Elements : Members of the 5f Series Dieter M. Gruen Early Days in the “Met Lab” : Organization and Planning in Scientific Research Joseph J. Katz Early Chemical Contributions in Los Alamos Robert A. Penneman and Roger A. Meade “Dry Chemistry” and Initiatory Thermodynamics at the Metallurgical Laboratory Edgar F. Westrum, Jr.

Nuclear Physics and Chemistry Nuclear and Chemical Properties of Elements 103, 104, and 105 Darleane C. Hoffman Production of Plutonium-237 J. Aaltonen, K. Aho, J. Bergman, and O. Solin Mass and Alpha Spectrometry for the Determination of the Half-Life of 241Pu S. K. Aggarwal and H. C. Jain Plutonium Determination by Isotope Dilution Technique with Mass and Alpha Spectrometry S. K. Aggarwal and H. C. Jain Highly Enriched Isotope Samples of and Transuranium Elements for Scientific Investigation Stanislav P. Vesnovskii and Vladimir N. Polynov Spectroscopy, Photophysics, and Photochemistry Unusual High-Temperature Behavior of Neptunium and Plutonium Systems Leo Brewer Magnetic and Optical Properties of Np and Pu Ions and Compounds Norman M. Edelstein Detection and Speciation of Trace Amounts of Neptunium and Plutonium N. Trautmann

Photochemical Rmoval of NpF6 and PuF6 from UF6 Gas Streams James V. Beitz and Clayton W. Williams 4+ Vibronic Interaction and Crystal Structure Distortion in Cm in CeF4 G. K. Liu, James V. Beitz, and W. T. Carnall Ion-Ion Interaction and Energy Transfer of 4+ Transuranium Ions in Tetrafluoride G. K. Liu and James V. Beitz Investigation of Neptunium (V) Reduction to Neptunium (IV) by Semiconductor Photocatalysis Masanori Takahashi, Takashi Nishi, Takashi Ikeda, and Hidetoshi Karasawa

Chemistry f-Element Compound Synthesis Employing Powerful Halogenating Agents P. Gary Eller, Scott A. Kinkead, and Jon B. Nielsen Cationic Speciation in Nonaqueous Media : Uranium, Neptunium, and Plutonium in Oxidation States III and IV Thomas A. O’Donnell The Chemistry of Uranium (VI), Neptunium (VI), and Plutonium (VI) in Aqueous Carbonate Solutions Barbara E. Stout, Gregory R. Choppin, and James C. Sullivan The and : Among Other Groups of Elements in Mendeleev’s System N. B. Mikheev Transuranium Organometallic Elements : The Next Generation Bill D. Zwick, Alfred P. Sattelberger, and Larry R. Avens Gas-Phase Uranium Ion Reactions with 2,4,6-Tri-t-butylphenol and 1,3,5,Tri-t-butylbenzene : Fourier Transform-Ion Cyclotron Resonance Mass Spectrometry Z. Liang, A. G. Marshall, A. Pires de Matos, and J. C. Spirlet Characterization of the Plutonium-Water Reaction : Reaction Kinetics Between 200 and 350° C Jerry L. Stakebake

Separations and Thermodynamics Reduction of Neptunium (VI) by Organic Compounds Gregory R. Choppin and L. F. Rao The Complexation Behavior of Neptunium and Plutonium with Nitrilotriacetic Acid Heino Nitsche and Kevin Becraft Catalyzed Electrolytic Plutonium Oxide Dissolution : The Past 17 Years and Future Potential Jack L. Ryan, Lane A. Bray, Earl J. Wheelwright, and Garry H. Bryan Aqueous Chemistry of Neptunium and Plutonium : Studies in the USSR A. S. Nikiforov and B. F. Myasoedov Recovery of Neptunium, Plutonium, and Americium from Highly Active Waste : Trialkylphosphine Oxide Extraction Yongjun Zhu and Chongli Song 3-Phenyl-4-benzoyl-5-isoxazolone : A Novel Extractant for Pu (IV) and Am (III) Vijay K. Manchanda and Prasanta K. Mohapatra

Materials Physics Metallic Covalency in Compounds G. H. Lander Nuclear Hyperfine Techniques in the Study of Transuranium Materials G. Michael Kalvius Surface Electronic Structure and Chemisorption of Plutonium and Uranium Bernard R. Cooper, Olle Eriksson, You-Gong Hao, and Gayanath W. Fernando Magnetization Measurements on Single Crystals of Neptunium Monopnictides K. Mattenberger, O. Vogt, J. Rebizant, and J. C. Spirlet

Materials Chemistry High-Pressure Phases and Compressibility of Neptunium and Plutonium Compounds U. Benedict, S. Dabos-Seignon, S. Heathman, J. P. Dancausse, M. Gensini, E. Gering, and J. C. Spirlet Electronic, Structural, and Transport Properties of (Almost) Rare-Earth-Like Actinide Hydrides Andrew C. Lawson, Lawrence E. Cox, and Richard G. Haire Hydrolysis of Plutonium : Plutonium-Oxygen Phase Diagram John M. Haschke The Pivotal Position of Plutonium in the Systematics of Actinide Metals and Compounds Richard G. Haire and J. K. Gibson Defect Chemistry of Plutonium Oxides Keiji Naito, Toshihide Tsuji, Tsuneo Matsui, Takeo Fujino, Toshiyuki Yamashita, and Kinji Ohuchi Formation of Lithium Plutonates by the Reaction of Lithium Nitrate and Lithium Hydroxide

with PuO2 Toshiyuki Yamashita, Kinji Ohuchi, K. Takahashi, and T. Fujino Mechanisms of the Rapid Dissolution of Plutonium Dioxide in Acidic Media under Oxidizing or Reducing Conditions C. Madic, P. Berger, and X. Machuron-Mandard Complex Formation of the Lanthanides and Actinides in Lower Oxidation States N. B. Mikheev and A. N. Kamenskaya

Synthesis and Identification of (NH4)2 PuCl6 and (NH4)2Ucl6 and Preparation of PuCl3 Jon B. Nielsen, Scott A. Kinkead, and P. Gary Eller Homogeneous Oxalate Precipitation of Pu (III) Stephen L. Yarbro, Stephen B. Schreiber, Sharon L. Dunn, and Clifford W. Mills

Analytical Chemistry Transuranium Reference Measurements and Reference Materials Werner Muller Airborne Transuranium Elements : Progress in Rapid Detection M. Iwatschenko-Borho, E. Frenzel, and H. J. Kreiner Development of Neptunium and Plutonium Chemistry : Contribution of Electrochemical Research V. F. Peretrukhin and A. G. Maslennikov A New Chemical Assay Standard for Plutonium D. D. Sood, N. C. Jayadevan, K. D. Singh Mudher, R. R. Khandekar, and K. Krishnan

Appendix : Papers Presented But Not Included in Book

Index Index