Partitioning Behavior of Penicillin G in Aqueous Two Phase System Based on Ionic Liquids

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An aqueous two-phase system (ATPS) was presented with hydrophilic ionic liquid 1-Butyl-3-methylimid-azolium tetrafluoroborate ([BmiBF4) and salts for the extraction of penicillin G in this paper. The phase forming abilities of different salts were investigated to choose a suitable salt.The partitioning behavior of penicillin G in the ATPS was investigated.Concentrations of (NH4)2SO4, penicillin G, and [BmiBF4 were evaluated to determine their effects on the extraction yield of penicillin G. It was found that extraction yield strongly depended on the concentration of [BmiBF4, penicillin and (NH4)2SO4. A high extraction yield around 93% was achieved with the following parameters: (NH4)2SO4 20% (wt%), penicillin 40000 ~ 45000 U/mL, [BmiBF4 20% (wt%).

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Advanced Materials Research (Volumes 864-867)

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324-327

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December 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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