________________________________________________________ | | | | | | Saponification | Acidity | Titre, | Refractive | | Equivalent. | (as Oleic Acid) | deg.C. | Index at | | | Per Cent. | | 60 deg. C. | |________________|_________________|________|____________| | | | | | | 286 | 0.5 | 37.5 | 1.4542 | |________________|_________________|________|____________| Lard should absorb 59 to 63 per cent. iodine. _Cocoa-nut Oil._--The best known qualities are Cochin and Ceylon oils, which are prepared in Cochin (Malabar) or the Philippine Islands and Ceylon respectively. The dried kernels of the cocoa-nut are exported to various ports in Europe, and the oil obtained comes on the market as Continental Coprah Oil, with the prefix of the particular country or port where it has been crushed, _e.g._, Belgian, French and Marseilles Coprah Oil. Coprah is also imported into England, and the oil expressed from it is termed English Pressed Coprah. The following are typical examples from bulk:-- _________________________________________________________________________ | | | | | | | | Saponification | Acidity | Titre, | Refractive | | | Equivalent. | (as Oleic Acid) | deg.C. | Index at | | | | Per Cent. | | 25 deg. C. | |________________|________________|_________________|________|____________| | | | | | | | Cochin oil | 215.5 | 1.5 | 23.5 | 1.4540 | | Cochin oil | 214.3 | 2.6 | 22.1 | 1.4541 | | Ceylon oil | 214.6 | 5.47 | 23 | 1.4535 | | Ceylon oil | 216 | 3.95 | 22.75 | 1.4535 | | Belgian coprah | 214.2 | 1.65 | 23 | 1.4541 | | Belgian coprah | 215 | 2.60 | 22.1 | 1.4540 | | French coprah | 214.2 | 6.55 | 23 | 1.4535 | | French coprah | 214.8 | 7.42 | 22 | 1.4540 | | Pressed coprah | 215.8 | 7.45 | 22.2 | 1.4542 | | Pressed coprah | 216 | 9.41 | 22 | 1.4555 | |________________|________________|_________________|________|____________| Cocoa-nut oil should absorb 8.9 to 9.3 per cent. iodine. _Palm-nut Oil._--The kernels of the palm-tree fruit are exported from the west coast of Africa to Europe, and this oil obtained from them. Typical samples of English and Hamburg oils tested:--