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Percentage extraction efficiencies (EEIgG %, bars) and recovery yield (YIgG%, symbols and lines) of rabbit IgG in ABS formed by PEG 400 + C6H5K3O7/C6H8O7 + H2O and [C4mim]-based ILs at 5 wt% (a) and Br-based ILs at 5 wt% (b), at pH 7 and 25ºC. Error bars correspond to standard deviations obtained from three replicates.
