Table 3 Iodine values of the linseed oils
From: Reconstructing Van Gogh’s palette to determine the optical characteristics of his paints
Oil | Iodine value (g I2/100 g oil) | Remarks |
|---|---|---|
Hydraulic pressed oil—raw | 186.8 ± 7.47 | 15 measurements, oil kept in different conditions for a few months (light, dark, closed and open vessel) |
Windmill pressed oil—raw | 184.6 ± 4.5 | 21 measurements, oil kept in different conditions for a few months (light, dark, closed and open vessel) |
Windmill pressed oil—washed | 189.0 ± 1.1 | Duplicate measurement |
Commercial refined linseed oil for oil paints | Min. 175 | Alberdingk-Boley, Germany |