Table 2. Water Content of PILs Determined by TGA.
| compound | starting mass in TGA (mg) | mass after water loss (mg) | mass of water (mg) | percent water (%) |
|---|---|---|---|---|
| [C4C1Im][FeCl4] | 25.40 | N/a | N/a | N/a |
| [C6C1Im][FeCl4] | 22.20 | N/a | N/a | N/a |
| [C8C1Im][FeCl4] | 16.33 | N/a | N/a | N/a |
| [C4C1Im][FeCl3Br] | 21.81 | N/a | N/a | N/a |
| [C6C1Im][FeCl3Br] | 15.02 | N/a | N/a | N/a |
| [C8C1Im][FeCl3Br] | 15.77 | N/a | N/a | N/a |
| [C4C1Im]3[HoCl6] | 16.48 | 16.23 | 0.26 | 1.5 |
| [C6C1Im]3[HoCl6] | 18.92 | 15.92 | 3.00 | 15.9 |
| [C8C1Im]3[HoCl6] | 15.69 | 14.85 | 0.84 | 5.4 |
| [C4C1Im]3[HoCl3Br3] | 59.77 | 54.13 | 5.63 | 9.4 |
| [C6C1Im]3[HoCl3Br3] | 13.72 | 12.29 | 1.43 | 10.4 |
| [C8C1Im]3[HoCl3Br3] | 19.63 | 16.84 | 2.79 | 14.2 |
| [C4C1Im]3[DyCl6] | 24.08 | 20.88 | 3.20 | 13.3 |
| [C6C1Im]3[DyCl6] | 16.49 | 15.66 | 0.83 | 5.1 |
| [C8C1Im]3[DyCl6] | 17.57 | 16.90 | 0.67 | 3.8 |
| [C4C1Im]3[DyCl3Br3] | 45.71 | 42.93 | 2.78 | 6.1 |
| [C6C1Im]3[DyCl3Br3] | 21.45 | 17.98 | 3.47 | 16.2 |
| [C8C1Im]3[DyCl3Br3] | 29.96 | 26.73 | 3.22 | 10.8 |
| [C4C1Im]3[GdCl6] | 36.28 | 33.99 | 2.29 | 6.3 |
| [C6C1Im]3[GdCl6] | 20.92 | 16.89 | 4.03 | 19.3 |
| [C8C1Im]3[GdCl6] | 49.50 | 42.56 | 6.95 | 14.0 |
| [C4C1Im]3[GdCl3Br3] | 19.19 | 18.23 | 0.95 | 5.0 |
| [C6C1Im]3[GdCl3Br3] | 9.89 | 8.60 | 1.29 | 13.1 |
| [C8C1Im]3[GdCl3Br3] | 25.70 | 22.67 | 3.03 | 11.8 |