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You Xinfeng; Zhang Shengdong; Yang Zhihong; Ding Youqian
Proceedings of 26. annual academic conference of China Chemical Society--modern nuclear chemistry and radiochemistry2008
Proceedings of 26. annual academic conference of China Chemical Society--modern nuclear chemistry and radiochemistry2008
AbstractAbstract
[en] A procedure of "1"0"1Tc was developed: 0.5 mL 150 g/L (NH_4)_6Mo_7O_2_4 solution was hot-sealed in the PVC vial and irradiated for 20 min in MINR. Cooled for 12 min after irradiation, the solution was mixed with 3.5 mL 1.0 mol/L HNO_3 in a separatory funnel. Then 4 mL 40 g/L α-benzoin oxime/ethyl acetate solution was added and extract 1 min. After 2 min, the organic phase was discarded. Then repeated once. A no-carrier and radiochemical pure "1"0"1Tc solution was obtained. The chemical recovery of "1"0"1Tc was more than 85%, the decontamination factor of "1"0"1Mo was more than 10"4. The γ-ray of "1"0"1Tc was determinated continuously by a HPGe γ detector by a place-replay method. A half-life of "1"0"1Tc, 14.025 ± 0.009 min, was given in 1δ. (authors)
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China Chemical Society, Beijing (China); 126 p; Aug 2008; p. 29; 26. annual academic conference of China Chemical Society--modern nuclear chemistry and radiochemistry; Tianjin (China); 13-16 Jul 2008; Available from China Nuclear Information Centre (China Institute of Nuclear Information & Economics), inisservice_cn@163.com
Record Type
Miscellaneous
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Conference
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BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, CARBOXYLIC ACID SALTS, CHEMISTRY, CLEANING, DISPERSIONS, ENRICHED URANIUM REACTORS, EVEN-ODD NUCLEI, EXTRACTION, GE SEMICONDUCTOR DETECTORS, HOMOGENEOUS MIXTURES, HYDROGEN COMPOUNDS, INORGANIC ACIDS, INORGANIC COMPOUNDS, INTERMEDIATE MASS NUCLEI, ISOTOPES, MEASURING INSTRUMENTS, MINUTES LIVING RADIOISOTOPES, MIXTURES, MNSR TYPE REACTORS, MOLYBDENUM ISOTOPES, NITROGEN COMPOUNDS, NUCLEI, ODD-EVEN NUCLEI, OXYGEN COMPOUNDS, RADIATION DETECTORS, RADIOISOTOPES, REACTORS, RESEARCH AND TEST REACTORS, RESEARCH REACTORS, SEMICONDUCTOR DETECTORS, SEPARATION PROCESSES, TANK TYPE REACTORS, TECHNETIUM ISOTOPES, THERMAL REACTORS, WATER COOLED REACTORS, WATER MODERATED REACTORS
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