<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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 effi ciency under the optimized conditions of 5 min adsorption at 30oC 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 effi ciency 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.</p></abstract>

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 effi ciency under the optimized conditions of 5 min adsorption at 30oC 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 effi ciency 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.

Adsorption Efficiency of Pentafl Uorobenzene on Ionic Liquids-Based Silicas

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Adsorption Efficiency of Pentafl Uorobenzene on Ionic Liquids-Based Silicas"}

The adsorption of pentafl uorobenzene on nine ionic liquid-based silicas was investigated using solid phase extraction. The effects of several variables such...

Adsorption Efficiency of Pentafl Uorobenzene on Ionic Liquids-Based Silicas

Publié en ligne: 17 oct. 2018

Pages: 47 - 52

DOI: https://doi.org/10.2478/pjct-2018-0037

Mots clés
ionic liquids based silica, pentafl uorobenzene, adsorption, solid-phase extraction

© 2018 Xiaofei Wang, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Adsorption Efficiency of Pentafl Uorobenzene on Ionic Liquids-Based Silicas

Publié en ligne: 17 oct. 2018

Pages: 47 - 52

DOI: https://doi.org/10.2478/pjct-2018-0037

Mots clésionic liquids based silica, pentafl uorobenzene, adsorption, solid-phase extraction

© 2018 Xiaofei Wang, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
ionic liquids based silica, pentafl uorobenzene, adsorption, solid-phase extraction