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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Nanoscience and Technology: An International Journal
ESCI SJR: 0.228 SNIP: 0.484 CiteScore™: 0.37

ISSN Печать: 2572-4258
ISSN Онлайн: 2572-4266

Nanoscience and Technology: An International Journal

Ранее издавался как Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanomechanicsSciTechnolIntJ.v5.i4.30
pages 287-301

SORPTION PROPERTIES OF PECTIC NANOCOMPOSITES IN RELATION TO LEAD IONS

N. G. Zakharova
Moscow Aviation Institute (National Research University), 4 Volokolamskoe Shosse, A80, Moscow, 125993, Russia
N. D. Golubeva
Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 Academician Semenov Ave., Chernogolovka, Moscow Region, 142432, Russian Federation
N. V. Gorbunova
OJSC Institute of Applied Biochemistry and Machine Building (Biokhimmash)
G. I. Dzhardimalieva
Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 Academician Semenov Ave., Chernogolovka, Moscow Region, 142432, Russian Federation
A. D. Pomogailo
Moscow Aviation Institute (National Research University), 4 Volokolamskoe Shosse, A80, Moscow, 125993, Russia; Institute of Physical Chemistry Problems, Russian Academy of Sciences
Kamila Kydralieva
Moscow Aviation Institute (National Research University), 4 Volokolamskoe Highway, Moscow, 125993, Russia

Краткое описание

The method of chemical co-deposition of iron (II, III) chloride solutions in the pectin medium was used to produce Fe3O4 nanoparticles with a size of about 10 nm. The introduction of Ca2+ ions leads to a decrease in the size of Fe3O4−PecCa nanoparticles in comparison with the Fe3O4−Pec samples due to additional cross-linking of pectic carboxyl groups by Ca2+ ions. The increase of the sorption capacity of the Fe3O4−PecCa and Fe3O4−Pec nanocomposites in relation to Pb2+ in comparison with the native pectin was demonstrated. The log K values of Pb2+ sorption for the Pec, Fe3O4−Pec10, and Fe3O4−PecCa0.15 sorbents were 4.2, 4.9, and 4.6 1/M, respectively.


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