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. Author manuscript; available in PMC: 2016 Sep 16.
Published in final edited form as: Process Biochem. 2016 Jun;51(6):781–791. doi: 10.1016/j.procbio.2016.03.002

Fig. 1.

Fig. 1

Phase diagrams for the systems composed of PEG 400 + K3C6H5O7/C6H8O7 + H2O at 25ºC: pH 5 (◆); pH 6 (●); pH 7 (▲); pH 8 (■). Adjusted binodal data using Equation 1 (—).