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Дата последнего поиска статьи во внешних источниках: 5 мая 2015 г.
Аннотация:Detonation nanodiamonds (ND) present
a significant part of nanocarbons group, which could be
produced on commercial scale by detonation of explosives
in a closed chamber. Their unique properties of high
surface area, low weight and radiation resistance make
ND a prospective candidate for applications in sorption
processes in radiochemistry. To study the influence
of surface chemistry on sorption properties, apristine
sample of ND was treated with acids and hydrogen. The
surface chemistry of the samples was characterised by
infrared spectroscopy, X-ray photoelectron spectroscopy
and Boehm titration. The sorption properties of ND were
tested fordifferent radionuclides. The sorption capacity
of ND was shown to be higher than those of commonly
used radionuclide sorbents like activated carbon and
compariable to other members of nanocarbon group like
graphene oxide and carbon nanotubes. The sorption
properties were shown to be influenced by the presence of
oxygen-containing groups on the surface of ND. This represents
an opportunity to increase the sorption capacity
of ND.