Table 8 Solubility parameter for the used materials along with the values of Δδ for deferiprone as a solute and each solvent
From: Solubility and thermodynamic study of deferiprone in propylene glycol and ethanol mixture
Materials | δd (MPa1/2) | δp (MPa1/2) | δh (MPa1/2) | δt (MPa1/2) |
|---|---|---|---|---|
Ethanol | 15.8 | 8.8 | 19.4 | 26.5 |
PG | 16.8 | 9.4 | 23.3 | 30.2 |
Deferiprone | 14.0 | 13.4 | 20.0 | 27.9 |
Hansen solubility parameters for different PG + ethanol mixtures | ||||
w1 | δmix (MPa1/2) | |||
0.0 | 26.5 | |||
0.1 | 26.8 | |||
0.2 | 27.1 | |||
0.3 | 27.4 | |||
0.4 | 27.7 | |||
0.5 | 28.1 | |||
0.6 | 28.5 | |||
0.7 | 28.9 | |||
0.8 | 29.3 | |||
0.85 | 29.5 | |||
0.9 | 29.7 | |||
1.0 | 30.2 | |||