Table 2.

Binodal data for PEG-Ficoll-water ATPS with 10 mg mL^-1 BSA. Solvent is nuclease-free water; experiment was performed at room temperature. Standard uncertainty u = 0.001 for each concentration measurement.

One-phase		Two-phase
PEG %(w/w)	Ficoll %(w/w)	PEG %(w/w)	Ficoll %(w/w)
0.48	5.54	0.98	18.01
0.52	5.36	1.22	16.68
0.73	5.19	1.38	15.95
0.94	5.14	1.53	15.29
1.29	4.88	1.61	14.83
2.14	4.64	1.69	14.60
2.77	4.47	1.73	14.46
3.55	4.26	1.86	14.04
4.01	4.15	1.97	13.41
4.98	3.84	2.11	12.93
7.89	3.16	2.23	12.52
8.39	3.03	2.31	12.12
9.01	2.88	2.88	9.42
9.76	2.63	3.08	8.69
9.93	2.59	3.23	8.07
11.51	2.26	3.37	7.74
11.74	2.24	3.50	7.31
12.31	2.08	3.89	5.45
12.58	2.05	4.05	4.64
13.19	1.89	4.51	3.07
13.71	1.83	5.77	0.56
14.21	1.70	6.21	0.40
14.62	1.59	6.42	0.34
16.47	1.20	6.70	0.35
17.01	1.10
17.55	0.96
18.69	0.65