Published 2002
| Version v1
Journal article
Investigation of transmutation of metallic 99Tc into ruthenium during irradiation in high-flow SM reactor
Creators
- 1. RAN, Inst. Fizicheskoj Khimii, Moscow (Russian Federation)
- 2. GNTs RF Nauchno-Issledovatel'skij Institut Atomnykh Reaktorov, Dimitrovgrad (Russian Federation)
Description
To investigate 99Tc transmutation irradiation is conducted of metallic technetium disks of 6 mm in diameter and with 0.3 mm in thickness in neutron trap of high-flow SM reactor in the course of 72.7 effective days in terms of 100 MW heat power. As a result of buildup of general neutron fluence 8x1021 cm-2 with thermal component 7.3x1021 cm-299Tc burnup ∼34 % is achieved and 0.8 g of ruthenium is accumulated. For application of ruthenium obtained in such a conditions without constraints three-year cooling is necessary for 103Ru decay and purification factors from 99Tc must be ∼3x108
Abstract (Russian)
С целью исследования трансмутации 99Tc проведено облучение дисков металлического технеция диаметром 6 и толщиной 0.3 мм в нейтронной ловушке высокопоточного реактора СМ в течение 72.7 эффективных суток в пересчете на тепловую мощность 100 МВт. В результате набора общего флюенса нейтронов 8x1021 см-2 с тепловой компонентой 7.3x1021 см-2 достигнуто выгорание 99Tc около 34 % и накоплено 0.8 г рутения. Для применения полученного в этих условиях рутения без ограничений необходима трехлетняя выдержка для распада 103Ru, а фактор очистки от 99Tc должен составлять около 3x108Additional details
Additional titles
- Original title (Russian)
- Исследование трансмутации металлического
Publishing Information
- Journal Title
- Radiokhimiya
- Journal Volume
- 44
- Journal Issue
- 3
- Journal Page Range
- p. 262-264
- ISSN
- 0033-8311
- CODEN
- RADKAU
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 34046725
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Descriptors DEI
- ISOTOPE PRODUCTION; NEUTRON FLUENCE; PWR TYPE REACTORS; RUTHENIUM ISOTOPES; TECHNETIUM 99 TARGET; TRANSMUTATION
- Descriptors DEC
- ENRICHED URANIUM REACTORS; ISOTOPES; POWER REACTORS; REACTORS; TARGETS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS
Optional Information
- Notes
- 16 refs.; 1 fig.