Table 6. Thermodynamic Parameters and Activity Coefficients (γ) Estimated from the Solubility and Thermal Data for Two Solvent Systems for the Enantiomer Xylose, Enantiomer Arabinose, and Racemic Arabinose.
compound | solvent (e/w) | ΔHDiss (kJ mol–1) | ΔSDiss (KJ K–1 mol–1) | ΔHMix (kJ mol–1) | ΔSMix (KJ K–1 mol–1) | average γ |
---|---|---|---|---|---|---|
xylose enantiomer | 50/50 | 23.87 | 0.032 | –17.23 | –0.066 | 3.17 ± 1.29 |
70/30 | 23.79 | 0.022 | –17.31 | –0.075 | 9.58 ± 3.92 | |
arabinose enantiomer | 50/50 | 30.29 | 0.045 | –12.15 | –0.055 | 4.70 ± 1.37 |
70/30 | 31.31 | 0.041 | –11.14 | –0.057 | 12.26 ± 3.29 | |
racemic arabinose | 50/50 | 37.77 | 0.060 | –9.38 | –0.048 | 8.01 ± 1.82 |
70/30 | 36.45 | 0.048 | –10.70 | –0.060 | 19.72 ± 5.09 |