FIELD: radiocontaminated material treatment; preparing iodine-containing wastes for storage. SUBSTANCE: compound for long-time storage of iodine-129 has copper iodide and copper powder in the following proportion, mas. %: copper iodide, 40-85; copper powder, 15-60. Compound may be subjected, in addition, to molding or vibrocompression. EFFECT: eliminated reaction of gaseous iodine release in case of long-time storage in the open under industrial humidity conditions due to direct contact between copper powder and iodide.
