Journal
Scientific and Technical Journal of Information Technologies, Mechanics and Optics
UDK539.612
Issue:4 (122)
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SORPTION OF LEAD IONS FROM AQUEOUS SOLUTION ON MULTILAYER GRAPHENE
Annotation
The paper presents the study of Pb2+ lead ions sorption on multilayered graphene prepared by ultrasonic destruction of natural graphite in the presence of a surfactant. The concentration of Pb2+ ions in water was measured by spectrophotometric method using xylene orange indicator. It is shown that the sorption process does not have a threshold character at low concentrations of Pb2+ ions, and when their concentration goes up, the efficiency of sorption increases. The dynamics of sorption was studied; it was shown that the sorption of lead ions reaches its maximum sorption capacity value in 10 min. of sorption process.
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