Nanoscience and Technology: An International Journal
Published 4 issues per year
ISSN Print: 2572-4258
ISSN Online: 2572-4266
IF:
1.3
5-Year IF:
1.7
Immediacy Index:
0.7
Eigenfactor:
0.00023
JCI:
0.11
SJR:
0.244
SNIP:
0.521
CiteScore™::
3.6
H-Index:
14
Indexed in
SORPTION PROPERTIES OF PECTIC NANOCOMPOSITES IN RELATION TO LEAD IONS
Volume 5,
Issue 4, 2014,
pp. 287-301
DOI: 10.1615/NanomechanicsSciTechnolIntJ.v5.i4.30
ABSTRACT
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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