Startup of transactinide chemistry in JAERI
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H. Haba
The transactinide nuclides 261Rf and 262Db have been successfully produced in the 248Cm(18O,5n) reaction at 99 MeV and in the 248Cm(19F,5n) reaction at 100, 103, and 106 MeV, respectively, at the JAERI tandem accelerator. The on-line ion exchange experiments with an automated fast and repetitive liquid chromatography separation system were performed in the HNO3/HF system using Rf homologues 89mZr and 167,165Hf produced in the 89Y(p,n) and 152Gd(18O,xn) reactions, respectively. The radiotracers 88Zr, 175Hf, and 234Th were also prepared and the distribution coefficients on ion exchange resins were measured systematically in 1-11 M HCl and 1-14 M HNO3 with the batch method. It was found that anion exchange experiments of Rf in 8 M HNO3 and 9 M HCl provided information useful to extract the ionic radius of Rf and to verify the influence of relativistic effects.
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Articles in the same Issue
- Preface: The Fifth International Conference on Nuclear and Radiochemistry, NRC5
- Impact of the contributions of Glenn T. Seaborg on nuclear science
- Characteristics of two fission modes
- Excitation energy division in 51V+197Au collisions 75 MeV above the barrier
- Thin target cross sections for proton-induced formation of radionuclides from lead for Ep≤71 MeV
- Radiochemical study on the mechanism of target fragmentation of Cu, Nb, Pr and Au targets induced by 12C and 40Ar projectiles
- Metal ion - molecule reactions of Bk+: comparison with Pu+ and Tb+
- Aqueous chemistry of transactinides
- Quantum chemical predictions of properties and experimental behaviour of elements 106, 107, and 108
- Startup of transactinide chemistry in JAERI
- Physico-chemical characterization of seaborgium as oxide hydroxide
- First attempt to chemically identify element 112
- ISOLDE target and ion source chemistry
- Separation of actinide redox species with cation exchange chromatography and its application to the analysis of spent fuel leaching solutions
- Development of digital autoradiography technique for the determination of the platinum-group elements in geological materials
- Radionuclide speciation in the environment: a review
- Surface exposure dating by in-situ produced cosmogenic nuclides: chemical mineral separation of purified quartz
- α-Crystalline polyantimonic acid - an adsorbent for radiostrontium, and a potential primary barrier in waste repositories
- Application of radiotracer techniques to a kinetic study of the interaction of Eu with humic acid
- Distribution of 212Pb, 214Pb and 210Pb with its daughter products on aerosol fractions from Vienna and Badgastein (Austria)
- Sorption studies of Cs+, Ba2+, and Co2+ ions on bentonite using radiotracer, ToF-SIMS, and XRD techniques
- Use of extraction chromatography for thorium purification from Eskisehir-Beylikahir Thorium-REEs ore deposit
- Pollutant concentrations in a sediment core dated by Th-isotopic ratios and the 210Pb dating method
- On the origin of 129I in rain water near Zürich
- Determination of uranium and thorium in complex matrices by two solvent extraction separation techniques and photon electron rejecting alpha liquid spectrometry
- Using 13N as tracer in heterogeneous atmospheric chemistry experiments
- Continuous on-line calibration of diffusive soil-atmosphere trace gas transport using vertical 220Rn- and 222Rn-activity profiles
- A radiochromatograpic study of the reaction of 51CrO3 with hydrochloric acid
- Pion transfer processes of pionic atoms in the gas mixtures containing hydrogen at various pressures
- Production of positron emitters of metallic elements to study plant uptake and distribution
- Gallium-67 production at Bucharest U-120 classical cyclotron
- Alternative syntheses of [73,75Se]selenoethers exemplified for homocysteine[73,75Se]selenolactone
- Formulation and preliminary clinical application of the 99mTc(V)-dimercaptosuccinic acid "instant" kit
Articles in the same Issue
- Preface: The Fifth International Conference on Nuclear and Radiochemistry, NRC5
- Impact of the contributions of Glenn T. Seaborg on nuclear science
- Characteristics of two fission modes
- Excitation energy division in 51V+197Au collisions 75 MeV above the barrier
- Thin target cross sections for proton-induced formation of radionuclides from lead for Ep≤71 MeV
- Radiochemical study on the mechanism of target fragmentation of Cu, Nb, Pr and Au targets induced by 12C and 40Ar projectiles
- Metal ion - molecule reactions of Bk+: comparison with Pu+ and Tb+
- Aqueous chemistry of transactinides
- Quantum chemical predictions of properties and experimental behaviour of elements 106, 107, and 108
- Startup of transactinide chemistry in JAERI
- Physico-chemical characterization of seaborgium as oxide hydroxide
- First attempt to chemically identify element 112
- ISOLDE target and ion source chemistry
- Separation of actinide redox species with cation exchange chromatography and its application to the analysis of spent fuel leaching solutions
- Development of digital autoradiography technique for the determination of the platinum-group elements in geological materials
- Radionuclide speciation in the environment: a review
- Surface exposure dating by in-situ produced cosmogenic nuclides: chemical mineral separation of purified quartz
- α-Crystalline polyantimonic acid - an adsorbent for radiostrontium, and a potential primary barrier in waste repositories
- Application of radiotracer techniques to a kinetic study of the interaction of Eu with humic acid
- Distribution of 212Pb, 214Pb and 210Pb with its daughter products on aerosol fractions from Vienna and Badgastein (Austria)
- Sorption studies of Cs+, Ba2+, and Co2+ ions on bentonite using radiotracer, ToF-SIMS, and XRD techniques
- Use of extraction chromatography for thorium purification from Eskisehir-Beylikahir Thorium-REEs ore deposit
- Pollutant concentrations in a sediment core dated by Th-isotopic ratios and the 210Pb dating method
- On the origin of 129I in rain water near Zürich
- Determination of uranium and thorium in complex matrices by two solvent extraction separation techniques and photon electron rejecting alpha liquid spectrometry
- Using 13N as tracer in heterogeneous atmospheric chemistry experiments
- Continuous on-line calibration of diffusive soil-atmosphere trace gas transport using vertical 220Rn- and 222Rn-activity profiles
- A radiochromatograpic study of the reaction of 51CrO3 with hydrochloric acid
- Pion transfer processes of pionic atoms in the gas mixtures containing hydrogen at various pressures
- Production of positron emitters of metallic elements to study plant uptake and distribution
- Gallium-67 production at Bucharest U-120 classical cyclotron
- Alternative syntheses of [73,75Se]selenoethers exemplified for homocysteine[73,75Se]selenolactone
- Formulation and preliminary clinical application of the 99mTc(V)-dimercaptosuccinic acid "instant" kit