FIELD: chemistry.
SUBSTANCE: composition for long-term storage of iodine-129 includes salt of iodine and metal. As salt composition contains palladium iodide and as additive - metal palladium in following ratio of components, wt %; palladium iodide - 20-80, metal palladium - 20-80.
EFFECT: reduction of iodine leaching rate.
5 ex
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