Journal of Chemistry

Research Article

Liquid-Liquid Equilibrium Data for the Ionic Liquid N-Ethyl-Pyridinium Bromide with Several Sodium Salts and Potassium Salts

Table 2

Solubility Data for [EPy]Br + salt + water ATPS at = 298.15 K.


Salt	100	100	100	100	100	100	100	100

Na₂HPO₄	0.39	75.96	2.65	54.63	8.37	34.17	15.96	23.49
	0.53	72.39	2.67	54.30	8.50	33.98	16.05	23.39
	0.63	70.30	2.68	54.47	8.61	33.74	16.20	23.13
	0.68	68.79	2.71	54.15	8.71	33.60	16.30	23.00
	0.69	68.13	2.72	53.74	8.84	33.38	16.70	22.53
	0.78	66.87	2.73	54.33	8.95	33.21	16.84	22.25
	0.80	66.11	2.74	53.91	9.05	33.03	16.95	22.13
	0.95	65.96	2.75	53.59	9.17	32.83	17.05	22.01
	0.96	66.23	2.76	53.76	9.28	32.66	17.15	21.91
	0.99	65.67	2.79	53.44	9.41	32.39	17.36	21.71
	1.02	65.43	2.80	53.61	9.53	32.17	17.56	21.41
	1.05	65.18	2.82	53.36	9.65	31.96	17.78	21.15
	1.09	64.76	2.83	53.54	9.77	31.75	18.02	20.90
	1.14	64.30	2.86	53.16	9.90	31.54	18.19	20.62
	1.17	64.06	2.87	53.35	10.03	31.32	18.31	20.47
	1.20	63.74	2.90	53.02	10.16	31.11	18.49	20.15
	1.23	63.50	2.91	53.20	10.29	30.87	18.62	19.99
	1.27	63.28	2.93	52.88	10.47	30.44	18.74	19.86
	1.30	62.99	2.94	53.06	10.59	30.30	18.87	19.73
	1.35	62.71	3.00	52.62	10.71	30.14	19.00	19.59
	1.39	62.67	3.01	52.81	10.83	30.14	19.13	19.45
	1.45	62.13	3.04	52.44	10.97	29.99	19.27	19.31
	1.52	61.54	3.05	52.63	11.08	29.77	19.42	19.17
	1.56	61.25	3.08	52.26	11.17	29.67	19.62	18.82
	1.63	60.68	3.10	52.45	11.28	29.45	19.75	18.66
	1.68	60.32	3.12	51.50	11.40	29.23	19.89	18.50
	1.74	59.92	3.17	52.27	11.52	29.01	20.02	18.34
	1.79	59.51	3.41	49.90	11.62	28.90	20.16	18.17
	1.84	59.14	3.99	47.46	11.77	28.73	20.30	18.00
	1.89	58.56	4.61	45.13	11.89	28.50	20.45	17.85
	1.90	58.69	5.04	40.83	12.00	28.38	20.59	17.67
	1.92	58.35	5.15	40.62	12.11	28.20	20.89	17.32
	1.93	58.48	5.16	41.91	12.24	27.96	21.20	16.98
	1.96	58.12	5.29	40.81	12.35	27.83	21.52	16.62
	1.97	58.25	5.37	40.83	12.49	27.59	21.85	16.22
	2.00	57.95	5.45	40.51	12.63	27.35	22.19	15.84
	2.01	58.09	5.48	40.33	12.74	27.23	22.54	15.43
	2.04	57.71	5.52	40.41	12.88	26.96	22.90	14.99
	2.05	57.85	5.60	40.15	13.00	26.82	23.25	14.56
	2.09	57.46	5.75	39.45	13.13	26.69	23.62	14.10
	2.10	57.60	5.77	39.01	13.28	26.40	24.00	13.67
	2.14	57.20	5.85	39.26	13.41	26.25	24.46	13.23
	2.15	57.35	5.95	38.89	13.57	25.97	24.88	12.78
	2.19	56.87	6.10	38.85	13.73	25.72	25.29	12.31
	2.20	57.02	6.22	38.67	13.83	25.70	25.75	11.83
	2.24	56.69	6.32	38.40	13.93	25.68	26.49	11.01
	2.25	56.84	6.43	38.18	14.04	25.62	26.85	10.76
	2.28	56.26	6.56	37.72	14.21	25.61	27.10	10.48
	2.29	56.41	6.66	37.41	14.35	25.40	27.46	10.20
	2.33	55.80	6.77	37.22	14.42	25.31	27.99	9.64
	2.34	55.95	6.87	37.19	14.49	25.26	28.62	9.06
	2.36	55.84	6.99	37.00	14.60	25.01	29.31	8.52
	2.37	56.00	7.10	36.69	14.72	24.97	30.02	7.93
	2.40	55.89	7.21	36.50	14.80	24.88	30.97	7.34
	2.41	56.05	7.33	36.15	14.87	24.78	31.78	6.69
	2.45	55.62	7.43	35.91	14.95	24.69	32.63	6.01
	2.46	55.78	7.54	35.81	15.08	24.45	33.14	5.68
	2.51	55.36	7.63	35.74	15.20	24.40	33.66	5.35
	2.52	55.53	7.73	35.55	15.29	24.34	34.39	5.05
	2.56	54.95	7.82	35.45	15.38	24.25	35.15	4.71
	2.57	55.12	7.94	35.10	15.50	24.01	35.90	4.39
	2.61	54.59	8.03	34.87	15.58	23.90	36.81	4.02
	2.62	54.76	8.14	34.65	15.68	23.80	37.75	3.57
	2.64	54.46	8.27	34.41	15.77	23.69	39.04	3.17

K₂HPO₄	1.24	51.48	1.72	47.66	2.53	43.64	3.70	38.59
	1.26	51.29	1.77	47.21	2.62	43.11	3.80	38.28
	1.30	50.97	1.82	46.95	2.76	42.32	3.89	38.05
	1.34	50.68	1.88	46.75	2.86	42.07	3.94	38.02
	1.38	50.28	1.93	46.41	3.02	41.38	4.04	37.73
	1.41	50.02	2.00	46.07	3.19	40.64	4.18	37.35
	1.44	49.83	2.06	45.66	3.24	40.42	4.33	36.85
	1.47	49.54	2.12	45.22	3.30	40.17	4.44	37.02
	1.51	49.28	2.20	44.97	3.36	39.94	4.55	36.49
	1.56	48.82	2.28	44.71	3.43	39.72	4.70	36.10
	1.60	48.63	2.34	44.43	3.48	39.45	4.88	35.93
	1.64	48.25	2.38	44.18	3.55	39.37	5.00	35.30
	1.68	47.99	2.42	43.91	3.63	39.11	5.17	34.74

K₂SO₄	7.36	10.51	4.56	23.33	3.33	30.28	2.46	36.40
	6.74	13.54	4.32	24.69	3.18	31.45	2.34	37.26
	6.15	15.80	4.14	25.71	3.03	32.45	2.24	37.88
	5.70	17.96	3.94	26.70	2.92	33.20	2.14	38.80
	5.41	19.19	3.77	27.79	2.80	33.79
	5.18	20.37	3.63	28.73	2.68	34.89
	4.84	21.91	3.49	29.41	2.57	35.51

C₄O₆H₄KNa	0.48	78.95	3.40	59.50	7.67	48.26	14.41	37.88
	0.70	77.03	3.55	58.99	8.06	47.57	15.45	36.29
	0.80	75.16	3.75	58.28	8.23	47.19	16.20	34.94
	0.82	75.03	4.10	57.11	8.72	46.26	16.75	34.77
	0.98	73.40	5.19	54.71	9.49	44.88	17.19	34.17
	1.17	71.64	5.45	53.74	10.39	43.43	17.34	33.96
	1.34	70.30	5.49	53.55	11.09	42.35	17.79	33.54
	1.98	66.65	5.81	52.73	12.12	40.77	18.26	33.07
	2.19	64.97	6.04	52.08	12.68	39.86	18.78	32.53
	2.38	64.09	6.23	51.73	13.32	39.11	19.22	32.18
	2.67	62.83	6.64	50.68	13.68	38.94	19.31	31.97
	2.82	61.98	6.82	50.35	13.95	38.49	19.38	31.81
	2.99	61.25	7.08	49.62	14.18	38.20
	3.21	60.31	7.28	49.23	14.27	38.27