Table 3.

Physical properties of 15%/15% and 20%/20% w/w PEG/Dx ATPS.

	γ (mN/m)	Sample	wt% Dx	wt% PEG
15%	0.357 ± 0.008	PEG-rich	2.85 ± 0.8	23.46 ± 0.45
		Dx-rich	35.92 ± 0.88	0.36 ± 0.49
20%	0.746 ± 0.014	PEG-rich	2.41 ± 0.82	33.78 ± 0.47
		Dx-rich	40.73 ± 0.86	8.97 ± 0.47