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 | | |
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