position of Marseilles
White Soaps.

Representative samples of commercial and refined oils tested:--

______________________________________________________________________
| | | | | | |
| | Specific | Saponi- | Acidity | | Refractive |
| | Gravity | fication | (as Oleic | Titre, | Index at |
| | at 15 | Equi- | Acid) | deg.C. | 20 deg. C. |
| | deg. C. | valent | Per Cent. | | |
|____________|___________|___________|___________|________|____________|
| | | | | | |
| Commercial | 0.9184 | 298 | 2.6 | 28.6 | |
| Refined | 0.9205 | 285 | 0.22 | 24.0 | 1.4712 |
|____________|___________|___________|___________|________|____________|

Arachis oil should absorb 90 to 98 per cent. iodine.

_Maize Oil._--America (U.S.) produces very large quantities of maize
oil.

Typical samples of crude and refined oil gave these figures:--

______________________________________________________________________
| | | | | | |
| | Specific | Saponi- | Acidity | | Refractive |
| | Gravity | fication | (as Oleic | Titre, | Index at |
| | at 15 | Equi- | Acid) | deg.C. | 20 deg. C. |
| | deg. C. | valent | Per Cent. | | |
|____________|___________|___________|___________|________|____________|
| | | | | | |
| Crude | 0.9246 | 294 | 1.41 | 15 | |
| Refined | 0.9248 | 294.1 | 0.40 | 17.2 | 1.4766 |
|____________|___________|___________|___________|________|____________|

Maize oil should absorb 120 to 128 per cent. iodine.

_Sesame Oil._--Sesame oil is very largely pressed in Southern France
from the seeds of the sesame plant which is cultivated in the Levant,
India, Japan and Western Africa.

A fairly representative sample of French expressed oil tested:--

____________________________________________________________________
| | | | | |
| Specific | Saponification | Acidity | Titre, | Refractive |
| Gravity at| Equivalent. | (as Oleic Acid)