FIELD: chemistry.
SUBSTANCE: synthetic radioactive nanodiamond consists of particles with an average diameter of not more than 100 nm and contains metal-containing radioactive impurities in amount of 0.04-1.24 wt %, with γ-radiation dose rate of less than 180 mcSv/h, γ+β-radiation dose rate of less than 720 mcSv/h. The radioactive nanodiamond is obtained by irradiating synthetic nanodiamonds, which contain metal-containing impurities, with neutron flux with neutron fluency of 1.4-1.46·1019 neutrons/cm2.
EFFECT: technique for producing a radioactive nanodiamond is simple, safe, reliable and enables to set up industrial production.
2 cl, 8 tbl, 5 ex
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