Adsorption efficiency of pentafluorobenzene on ionic liquids-based silicas

• Autorzy: Wang X. , Lin L. , Xie J. , Yan X. , Xiao W. , Tian P.

Identyfikatory

DOI

10.2478/pjct-2018-0037

• Języki publikacji: EN

Abstrakty

EN

The adsorption of pentafl uorobenzene on nine ionic liquid-based silicas was investigated using solid phase extraction. The effects of several variables such as the type of ionic liquid groups, adsorption time, temperatures and water ratio in the solution system were experimentally evaluated. The imidazole-chloride ionic liquid group based silica exhibited the highest adsorption efficiency under the optimized conditions of 5 min adsorption at 30°C in water/methanol (30:70, vol%) solution. In addition, the effects of pH, as well as type and concentrations of chloride salts were investigated. At pH values other than neutral and high salt concentration, the adsorption efficiency was reduced. Finally, the relative standard deviation of less than 5.8% over a 5-day period showed a high precision for the nine tested sorbents.

Słowa kluczowe

EN

ionic liquids based silica; pentafl uorobenzene; adsorption; solid-phase extraction

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2018
• Tom: Vol. 20, nr 3
• Strony: 47--52
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Wang X.

• College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023 China

autor

Lin L.

• College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023 China

autor

Xie J.

• College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023 China

autor

Yan X.

• College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023 China

autor

Xiao W.

• College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023 China

autor

Tian P.

• College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, Hubei, 434023 China

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).