Ionic fraction data
Arnaud and Raymond(1992) - Iron

Log T(K) +0     +1      +2      +3      +4      +5      +6      +7      +8

4.0     -0.91   -0.06   -4.01                                                 
4.1     -1.44   -0.02   -2.16                                                 
4.2     -1.97   -0.09   -0.77                                                 
4.3     -2.88   -0.59   -0.13   -5.07                                         
4.4     -3.93   -1.29   -0.02   -3.05                                         
4.5     -4.70   -1.74   -0.02   -1.52                                         
4.6     -5.38   -2.14   -0.16   -0.52   -3.81                                 
4.7             -2.68   -0.50   -0.17   -1.97                                 
4.8             -3.24   -0.89   -0.13   -0.91   -3.65                         
4.9             -3.87   -1.36   -0.28   -0.38   -1.85   -5.11                 
5.0             -4.62   -1.96   -0.60   -0.23   -0.84   -3.06                 
5.1             -5.49   -2.70   -1.09   -0.32   -0.38   -1.82   -4.12         
5.2                     -3.53   -1.69   -0.57   -0.21   -1.03   -2.49   -4.95
5.3                     -4.43   -2.37   -0.96   -0.25   -0.55   -1.43   -3.07
5.4                     -5.46   -3.19   -1.52   -0.50   -0.35   -0.73   -1.77
5.5                             -4.18   -2.27   -0.98   -0.44   -0.40   -0.92
5.6                             -5.31   -3.18   -1.66   -0.77   -0.36   -0.44
5.7                                     -4.19   -2.44   -1.24   -0.51   -0.21
5.8                                     -5.21   -3.27   -1.78   -0.77   -0.15
5.9                                             -4.13   -2.39   -1.12   -0.22
6.0                                             -5.15   -3.17   -1.68   -0.51
6.1                                                     -4.29   -2.56   -1.19
6.2                                                     -5.80   -3.87   -2.27
6.3                                                             -5.59   -3.79
6.4                                                                     -5.72
6.5                                                                           


log(T)  +9      +10     +11     +12     +13     +14     +15     +16     +17

5.0                                                                           
5.1                                                                           
5.2                                                                           
5.3                                                                           
5.4     -5.94                                                                 
5.5     -4.02                                                                 
5.6     -2.66   -5.21                                                         
5.7     -1.72   -3.48   -5.57                                                 
5.8     -1.05   -2.17   -3.59   -5.35                                         
5.9     -0.62   -1.21   -2.06   -3.22   -5.10                                 
6.0     -0.49   -0.64   -1.01   -1.66   -2.93   -4.44                         
6.1     -0.81   -0.57   -0.53   -0.75   -1.50   -2.42   -3.63   -4.28         
6.2     -1.58   -1.01   -0.61   -0.45   -0.75   -1.16   -1.82   -2.10   -5.34
6.3     -2.81   -1.96   -1.25   -0.75   -0.66   -0.62   -0.83   -0.83   -3.28
6.4     -4.50   -3.39   -2.41   -1.61   -1.17   -0.74   -0.57   -0.35   -2.17
6.5             -4.91   -3.68   -2.62   -1.88   -1.11   -0.62   -0.20   -1.51
6.6                     -4.92   -3.61   -2.59   -1.52   -0.76   -0.16   -1.05
6.7                             -4.58   -3.31   -1.97   -0.98   -0.20   -0.73
6.8                             -5.60   -4.10   -2.52   -1.32   -0.37   -0.58
6.9                                     -5.10   -3.31   -1.91   -0.80   -0.73
7.0                                             -4.41   -2.83   -1.56   -1.24
7.1                                             -5.84   -4.09   -2.66   -2.11
7.2                                                     -5.65   -4.07   -3.30
7.3                                                             -5.60   -4.63
7.4                                                                     -5.95
7.5                                                                           


log (T) +18     +19     +20     +21     +22     +23     +24     +25     +26

6.0                                                                           
6.1                                                                           
6.2                                                                           
6.3                                                                           
6.4     -4.20                                                                 
6.5     -2.95   -4.63                                                         
6.6     -2.00   -3.13   -4.73                                                 
6.7     -1.28   -1.95   -3.07   -4.37   -5.92                                 
6.8     -0.79   -1.08   -1.79   -2.67   -3.74   -5.06                         
6.9     -0.63   -0.59   -0.96   -1.46   -2.13   -3.05   -3.84                 
7.0     -0.88   -0.56   -0.61   -0.80   -1.13   -1.69   -2.10                 
7.1     -1.52   -0.94   -0.73   -0.64   -0.67   -0.92   -1.02   -4.92         
7.2     -2.49   -1.67   -1.22   -0.88   -0.65   -0.63   -0.49   -3.54         
7.3     -3.62   -2.59   -1.91   -1.35   -0.87   -0.61   -0.25   -2.62   -5.60
7.4     -4.74   -3.52   -2.64   -1.86   -1.17   -0.69   -0.15   -1.96   -4.35
7.5     -5.82   -4.41   -3.34   -2.38   -1.49   -0.80   -0.11   -1.46   -3.35
7.6             -5.28   -4.02   -2.88   -1.81   -0.93   -0.11   -1.06   -2.55
7.7                     -4.70   -3.38   -2.14   -1.09   -0.14   -0.76   -1.90
7.8                     -5.37   -3.90   -2.50   -1.28   -0.21   -0.54   -1.39
7.9                             -4.44   -2.88   -1.51   -0.32   -0.41   -1.01
8.0                             -5.01   -3.31   -1.79   -0.48   -0.34   -0.71
8.1                             -5.60   -3.76   -2.10   -0.67   -0.34   -0.50
8.2                                     -4.23   -2.44   -0.88   -0.38   -0.35
8.3                                     -4.70   -2.78   -1.11   -0.44   -0.25
8.4                                     -5.17   -3.13   -1.35   -0.53   -0.18
8.5                                     -5.64   -3.47   -1.58   -0.63   -0.13
8.6                                             -3.81   -1.81   -0.73   -0.10
8.7                                             -4.14   -2.03   -0.83   -0.07
8.8                                             -4.46   -2.24   -0.94   -0.06
8.9                                             -4.77   -2.45   -1.04   -0.04
9.0                                             -5.07   -2.65   -1.14   -0.03