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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

Table 2.

Experimental TLs (tie-lines) and TLLs (tie-lines length) of ABS composed of C6H5K3O7/C6H8O7 and PEG.

Weight fraction composition / (wt %)
PEG 400 + K3C6H5O7/C6H8O7 + water
pH [PEG]PEG [salt]PEG [PEG]M [salt]M [PEG]salt [salt]salt TLL
5.0 41.56 18.86 30.01 29.99 9.93 49.38 43.96
54.60 12.43 35.00 29.99 6.70 55.36 64.33
6.0 42.57 14.74 29.96 25.02 14.54 37.87 37.87
45.94 13.52 29.99 29.85 8.60 51.76 53.45
7.0 38.35 13.82 29.72 19.92 21.39 25.80 20.76
45.44 10.79 29.75 25.20 8.13 45.03 50.63
49.27 9.46 29.98 29.97 3.50 58.13 66.80
36.00 15.02 25.28 24.75 13.50 35.45 30.38
48.82 9.61 25.22 34.66 3.03 60.09 68.15
67.33 5.10 40.08 30.01 2.09 64.73 88.38
8.0 53.36 4.32 25.06 24.99 1.09 42.50 64.72
64.69 2.19 30.13 29.84 0.06 53.90 82.77
PEG + K3C6H5O7/C6H8O7 + water at pH 7.0
PEG [PEG]PEG [salt]PEG [PEG]M [salt]M [PEG]salt [salt]salt TLL
600 73.68 3.16 30.17 25.92 1.19 41.08 81.81
74.70 3.04 30.13 30.33 0.21 48.66 87.35
63.64 4.57 29.98 19.99 6.19 30.88 63.18
60.27 5.15 25.01 25.02 2.14 37.89 66.71
86.69 1.87 35.05 24.96 1.47 39.96 93.34
1000 57.95 5.45 29.95 25.09 0.05 46.04 70.70
59.43 5.21 29.94 30.03 0.00 55.16 77.63
46.49 7.64 29.97 20.06 0.04 46.87 60.80
58.47 5.37 35.05 25.03 0.00 54.44 76.33
41.72 8.79 25.04 25.00 0.01 49.29 58.13