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AbstractAbstract
[en] A new method has been developed for preparing a thin-layer target and isolating mendelevium from a collector, which makes it possible to obtain 256Md. The target is prepared by evaporating 0.1-0.2 ml of D2EHPA under vacuum at 100-1200C, which contains 0.5 microg of einsteinium 253, an aluminum foil of thickness 4 microm being the receiver. The target is then heated in air at 4000C, which fixes the einsteinium firmly on the foil. The einsteinium is irradiated with α particles of energy 28 MeV at a current density of 5 microA/cm2. The recoil nuclei are collected on a thin zinc film (2-4 mg/cm2) evaporated onto a tantalum disk. The collector is then processed in HCl (5-7 moles/liter) and the zinc is quantitatively separated on Dowex 1 x 10 anion exchanger
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Source
Cover-to-cover translation of Radiokhimiya (USSR).
Record Type
Journal Article
Journal
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ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BETA DECAY RADIOISOTOPES, BREMSSTRAHLUNG, CHROMATOGRAPHY, ELECTROMAGNETIC RADIATION, ELECTRON CAPTURE RADIOISOTOPES, ELEMENTS, ESTERS, HEAVY NUCLEI, HOURS LIVING RADIOISOTOPES, ISOTOPES, MENDELEVIUM ISOTOPES, METALS, NUCLEAR REACTIONS, NUCLEI, ODD-ODD NUCLEI, ORGANIC COMPOUNDS, ORGANIC PHOSPHORUS COMPOUNDS, RADIATIONS, RADIOISOTOPES, SEPARATION PROCESSES, TARGETS
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