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Journal
2012 | 10 | 5 | 1452-1458
Article title

Immobilization of quaternary ammonium salts on silica gel for perchlorate ions removal

Content
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EN
Abstracts
EN
Silica surface was modified with quaternary ammonium salts to give three matrices of different chain length. The synthesized supports were characterized by elemental analysis and infrared spectroscopy, as well as scanning electron microscopy and semi-empirical parametric method 5. Their exchange capacities for ClO4−, F−, NO3− and CH3COO− ions were investigated by conductometric titration. The amount of exchanged chloride ions from the matrix was studied for different initial anions concentration. The functionalized silica gel showed very good ability of perchlorate ions exchange from the water solution in room temperature. The anion-exchange properties were also studied in comparison to different number of reactive sites in the matrices. The increased number of chloride at the silica surface took effect on increased ability of ClO4− anion exchange [...]
Keywords
Publisher

Journal
Year
Volume
10
Issue
5
Pages
1452-1458
Physical description
Dates
published
1 - 10 - 2012
online
21 - 7 - 2012
Contributors
  • Faculty of Chemistry, Adam Mickiewicz University, 60-780, Poznań, Poland, asiaw@amu.edu.pl
  • Faculty of Chemistry, Adam Mickiewicz University, 60-780, Poznań, Poland
  • Faculty of Chemistry, Adam Mickiewicz University, 60-780, Poznań, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11532-012-0070-x
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