Determination of caesium-137 in water samples using modified carbon microfibers

In this paper, the possibility of caesium sorption on microfibres produced by the Slovak Academy of Sciences was investigated. Sorption capacity limit of sorbent was increased by chemical modification. The binding of Cs to the surface of potassium copper ferrocyanide modified carbon microfibers was...

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Veröffentlicht in:Journal of radioanalytical and nuclear chemistry Jg. 331; H. 3; S. 1275 - 1284
Hauptverfasser: Silliková, Veronika, Jakubčinová, Jana, Horník, Miroslav, Gomola, Igor, Dulanská, Silvia
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Cham Springer International Publishing 01.03.2022
Springer
Springer Nature B.V
Schlagworte:
Carbon
Cesium 137
Chemistry
Chemistry and Materials Science
Cyanides
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Iron compounds
Iron cyanides
Microfibers
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Sorbents
Sorption
Statistical methods
Water sampling
Sorption
Determination of
Cs
Hexacyanoferrate
Carbon microfibers
ISSN:0236-5731, 1588-2780
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Zusammenfassung:In this paper, the possibility of caesium sorption on microfibres produced by the Slovak Academy of Sciences was investigated. Sorption capacity limit of sorbent was increased by chemical modification. The binding of Cs to the surface of potassium copper ferrocyanide modified carbon microfibers was demonstrated by SEM–EDX analysis. Statistical comparison of the models showed that the Freundlich isothermal model was more suitable for describing sorption processes. The influence of desorption, pH value, competing ions and water volume were also tested. According to the results, this method seems to be suitable for large-scale caesium separation from contaminated waters.
Bibliographie:ObjectType-Article-1
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ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-022-08212-5