Enhancement of the anthracene aqueous solubility by a synergistic effect of alcohols and β-cyclodextrin |
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| Affiliation: | 1. Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland;2. Radom Technical University, Faculty of Material Science and Footwear Technology, Chrobrego 27, 26-600 Radom, Poland;3. Laboratiore de Thermodynamique des Milieux Polyphasés, Université de Metz, 1 Boulevard Arago, Technopôle Metz 2000, 57078 Metz, Cedex 3, France;1. Automotive Engineering Research Institue, Jiangsu University, 301 Xuefu road, Zhenjiang 212013, P. R. China;2. School of Material Science & Engineering, Jiangsu University, Zhenjiang 212013, P. R. China;3. China Aviation Lithium Battery Co. Ltd., Luoyang 471003, China;1. Department of Chemistry, Durban University of Technology, P. O. Box 1334, Durban 4000, South Africa;2. Department of Chemistry, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho 2735, South Africa;1. Department of Chemistry, Government College University, Faisalabad 38000, Pakistan;2. Department of Chemistry and Biochemistry, University of Agriculture, Faisalabad 38040, Pakistan |
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| Abstract: | The results presented in this paper show that the solubility of anthracene in water increases significantly when β-cyclodextrin and alkanols with carbon numbers from 1 to 4 are added to the solution. The concentrations of the anthracene chosen as a model hydrophobic pollutant were determined using UV–vis spectroscopy. It has been demonstrated that the solubility of anthracene in a 1.1 wt% β-cyclodextrin solution increases by the factor of 45 or 62 when 4 wt% of methanol or ethanol are added, respectively. Obviously, the increase of anthracene solubility is due both to the solvent effect of the alcohols and to the formation of anthracene–β-cyclodextrin (β-CD) “guest–host” complexes. We propose, to use the solubility enhancement based on the β-cyclodextrin/alcohol effect for improving the availability of hydrocarbon pollutants in the biodegradation processes. |
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