Research Article
Phase Separation Behavior and System Properties of Aqueous Two-Phase Systems with Polyethylene Glycol and Different Salts: Experiment and Correlation
Table 1
Experimental properties parameters of PEG1000/ammonium sulfate ATPS and PEG4000/ammonium sulfate ATPS at 25°C.
| | | TLL | | | | | | | [%w/w] | [s] | [mN/m] | [mN/m] | mPa·s] | [mPa·s] |
| | PEG1000/ammonium sulfate | 30 | 90.38 | 71.97 | 0.739 | 22.130 | 2.120 | | 35 | 93.46 | 71.97 | 0.846 | 24.158 | 2.193 | | 40 | 97.52 | 71.97 | 0.965 | 27.053 | 2.148 | | 45 | 96.44 | 71.97 | 1.140 | 28.595 | 2.205 | | 50 | 101.04 | 71.97 | 1.161 | 32.305 | 2.295 |
| | PEG4000/ammonium sulfate | 30 | 280.62 | 71.97 | 0.272 | 25.010 | 1.990 | | 35 | 247.02 | 71.97 | 0.376 | 33.085 | 1.865 | | 40 | 218.88 | 71.97 | 0.439 | 41.625 | 1.775 | | 45 | 188.00 | 71.97 | 0.592 | 54.005 | 1.895 | | 50 | 164.10 | 71.97 | 0.805 | 67.790 | 2.210 |
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