Research Article

Phase Separation Behavior and System Properties of Aqueous Two-Phase Systems with Polyethylene Glycol and Different Salts: Experiment and Correlation

Table 2

Experimental properties parameters of PEG1000/sodium citrate ATPS and PEG4000/sodium citrate ATPS at 25°C.

TLL
[%w/w][s][mN/m][mN/m]mPa·s][mPa·s]

PEG1000/sodium citrate30156.1871.970.0835.6503.650
35133.4871.970.1697.7803.720
40122.0271.970.2499.5004.050
45111.9871.970.29711.684.420
50111.3271.970.40514.3655.235

PEG4000/sodium citrate30279.9371.970.16723.1652.435
35247.8571.970.30531.1852.715
40244.2971.970.43342.1102.940
45267.0571.970.57955.1453.355
50266.4871.970.75571.9854.015