Liquid-Liquid Equilibrium of Poly(Ethylene Glycol) 6000 + Sodium Succinate + Water System at Different Temperatures

Table 5

Tie-line composition for the PEG 6000 + sodium succinate + water system at different temperatures.

TLL; (% w/w)	Feed		Top phase		Bottom phase
	𝑊PEG; (% w/w)	𝑊𝑆; (% w/w)	𝑊PEG; (% w/w)	𝑊𝑆; (% w/w)	𝑊PEG; (% w/w)	𝑊𝑆; (% w/w)
298.15 K
25.28	20.0	17.0	30.04	11.21	7.79	23.21
30.93	21.0	17.5	34.45	10.13	7.05	24.49
38.51	22.0	18.0	38.21	9.08	4.17	27.09
43.60	23.0	18.5	41.68	8.79	3.14	29.17
308.15 K
39.55	20.0	17.0	37.24	7.98	2.15	26.22
42.43	21.0	17.5	39.15	7.53	1.49	27.07
46.28	22.0	18.0	41.87	6.51	1.06	28.34
50.75	23.0	18.5	45.09	6.13	0.64	30.61
318.15 K
45.29	20.0	17.0	40.78	5.17	1.13	27.06
52.29	21.0	17.5	47.16	4.49	0.91	28.88
54.10	22.0	18.0	48.18	4.09	0.75	30.11
57.28	23.0	18.5	50.85	3.91	0.51	31.23