附註:At head of title: Radiochemical techniques.
"Prepared for the Committee on Nuclear and Radiochemistry, Board on Chemical Sciences and Technology, Commission on Physical Sciences, Mathematics, and Applications, National Research Council."
"Support for this project was provided by the U.S. Department of Energy under grant no. DE-FG05-89ER14032 and by Lawrence Livermore National Laboratory under contract W-7405-Eng-48."
Committee chairman: Richard L. Hahn.
Available from the Board on Chemical Sciences and Technology.
Includes bibliographical references (pages 73-93).
ULTRAFAST CHEMICAL SEPARATIONS -- Copyright -- FOREWORD -- PREFACE -- Contents -- PART I SEPARATION TECHNIQUES -- 1 Introduction -- 2 BATCH PROCESSES -- 2.1 PRECIPITATION -- 2.2 ADSORPTION AND ISOTOPIC EXCHANGE -- 2.2.1 Adsorption -- 2.2.2 Adsorption of Ions and Exchanges -- 2.3 ION-EXCHANGE TECHNIQUES -- 2.3.1 Principle -- 2.3.2 Application to Fast Radiochemical Separations -- 2.4 LIQUID-LIQUID EXTRACTION -- 2.4.1 Systems in Use -- 2.4.2 Application to Ultrafast Separations -- 2.5 HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY -- 2.5.1 Principle
2.5.2 Separation of Lanthanides2.5.3 Separation of Other Elements -- 2.6 DISTILLATION AND VOLATILIZATION -- 2.6.1 Applications -- 2.7 THERMOCHROMATOGRAPHY -- 2.7.1 Principle -- 2.7.2 Specific Cases -- 2.8 ELECTROPHORESIS -- 3. AUTOMATED PROCESSES -- 3.1 COMPARISON OF EFFICIENCIES OF AUTOBATCH AND CONTINUOUS PROCESSES -- 4. AUTOBATCH TECHNIQUES -- 4.1 AUTOBATCH TECHNIQUES FOR THE SEPARATION OF SILVER ISOTOPES -- 4.2 TECHNETIUM BY SOLVENT EXTRACTION -- 4.3 PALLADIUM BY SOLVENT EXTRACTION -- 4.4 ARSENIC AND ANTIMONY BY VOLATILE-HYDRIDE PRODUCTION
4.5 AUTOBATCH SEPARATION OF INDIVIDUAL LANTHANIDE FISSION PRODUCTS4.6 SEPARATION OF TRANSPLUTONIUM ELEMENTS -- 5. DELIVERY SYSTEMS FOR CONTINUOUS TECHNIQUES -- 5.1 GAS-JET SYSTEMS -- 5.1.1 Role of Aerosols -- 5.1.2 Techniques of Aerosol Production -- 5.1.3 Types of Aerosols -- 5.2 TRANSPORT TIME -- 5.3 EXAMPLES OF GAS-JET SYSTEMS -- 6. CONTINUOUS LIQUID-PHASE CHEMICAL SEPARATIONS -- 6.1 HIGH-SPEED CENTRIFUGE FOR PHASE SEPARATION -- 6.2 TRANSFER FROM GAS-JET SYSTEM TO AQUEOUS PHASE -- 6.3 EXAMPLES -- 6.3.1 Arsenic -- 6.3.2 Zirconium and Niobium
6.3.3 Lanthanum6.3.4 Technetium -- 7. CONTINUOUS GAS-PHASE CHEMISTRY -- 7.1 PRODUCTION OUTSIDE THE TARGET CHAMBER -- 7.2 PRODUCTION IN THE TARGET CHAMBER -- 8. FUTURE OF ULTRAFAST CHEMISTRY -- 9. REFERENCES -- PART II INDIVIDUAL SEPARATION PROCEDURES BY ELEMENT -- 1 Introduction -- 2 Procedures by Element
