title: The research of the influence of heavy metal ions on the aggregation of humic substances on the mica by atomic force microscopy
metadata.name: dc.contributor.author
metadata.value: Dmitrieva, Elena D.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Leontieva, Maria M.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Osina, Kristina V.
metadata.lang: -
metadata.name: dc.date.accessioned
metadata.value: 2018-09-13T15:49:00Z
metadata.lang: -
metadata.name: dc.date.available
metadata.value: 2018-09-13T15:49:00Z
metadata.lang: -
metadata.name: dc.date.issued
metadata.value: 2018-06
metadata.lang: -
metadata.name: dc.identifier.citation
metadata.value: Dmitrieva E.D., Leont’evaM.M., Osina K. V. The research of the influence of heavy metal ions on the aggregation of humic substances on the mica by atomic force microscopy. Vestnik of Saint Petersburg University. Physics and Chemistry. 2018. Vol. 5 (63), iss. 2. P. 127–137.
metadata.lang: en_GB
metadata.name: dc.identifier.other
metadata.value: 10.21638/11701/spbu04.2018.206
metadata.lang: -
metadata.name: dc.identifier.uri
metadata.value: http://hdl.handle.net/11701/14808
metadata.lang: -
metadata.name: dc.description.abstract
metadata.value: The conformation of the molecules of humic substances of peats sorbed on the hydrophilic mica
  in the absence and the presence of heavy metal ions was studied by atomic-force microscopy in
  a semi-contact mode in an aqueous medium. A model of the lignin-carbon complex providing
  the conformation of the three-dimensional ring structure of humic substances as a function of
  pH is proposed and allows to accurately describe the surface structure of the molecules of humic substances. The sizes of single globular molecules of humic substances are determined; there are
  (140 ÷ 320) × (5 ÷ 25) nm. Possible ways of the interaction of humic substances of peats with
  metal cations (Pb2+ and Zn2+) with allowance for conformational changes of humic substances
  are established. It has been proved that lead cations are sorbed mainly on the surface of the
  molecules of humic substances, and the sorption of zinc cations passed with a reorientation of
  humic substances around zinc ions.
metadata.lang: en_GB
metadata.name: dc.language.iso
metadata.value: ru
metadata.lang: en_GB
metadata.name: dc.publisher
metadata.value: St Petersburg State University
metadata.lang: en_GB
metadata.name: dc.relation.ispartofseries
metadata.value: Vestnik of St Petersburg University. Physics and Chemistry;Volume 5(63); Issue 2
metadata.lang: -
metadata.name: dc.subject
metadata.value: humic substances
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: molecular conformation
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: heavy metals
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: atomic-force microscopy
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: the lignin-carbon complex
metadata.lang: en_GB
metadata.name: dc.title
metadata.value: The research of the influence of heavy metal ions on the aggregation of humic substances on the mica by atomic force microscopy
metadata.lang: en_GB
metadata.name: dc.type
metadata.value: Article
metadata.lang: en_GB
resources.filename: 06_Dmitrieva.pdf
resources.url: https://dspace.spbu.ru/bitstream/11701/14808/1/06_Dmitrieva.pdf
resources.format: Adobe PDF
resources.size: 2,94 MB