GLYCERINE CONTENT OF MORE COMMON OILS AND FATS USED IN SOAP MAKING.
| Kind. | Theoretical Yield of Pure Glycerine of Neutral Oil or Fat. | Average Free Fatty Acid in Commercial Oil. | % Pure Glycerine in Commercial Oil. | Yield Soap Lye 80% Crude Glycerine. |
| Beef Tallow | 10.7 | 5 | 10.2 | 12.75 |
| Bone Grease | 10.5 | 20-50 | 5.2- 8.4 | 6.5 -10.5 |
| Castor Oil | 9.8 | 0.5-10 | 8.8- 9.8 | 11.0 -12.45 |
| Cocoanut Oil | 13.9 | 3-5 | 13.2-13.5 | 16.5 -16.9 |
| Cocoanut Oil Off | 15-40 | 8.3-11.8 | 10.37-14.75 | |
| Corn Oil | 10.4 | 1-10 | 9.3-10.3 | 11.62-12.9 |
| Cottonseed Oil | 10.6 | Trace | 10.6 | 13.25 |
| Hog Grease | 10.6 | 0.5-1 | 10.5-10.6 | 13.12-13.25 |
| Horse Grease | 10.6 | 1-3 | 10.5-10.6 | 13.12-13.25 |
| Olive Oil | 10.3 | 2-25 | 7.7-10.2 | 9.62-12.75 |
| Olive Foots | 30-60 | 4-7 | 5- 8.75 | |
| Palm Oil | 11.0 | 10-50 | 5.5-10 | 6.87-12.5 |
| Palmkernel Oil | 13.3 | 4-8 | 12.2-12.8 | 15.25-16 |
| Peanut Oil | 10.4 | 5-20 | 8.3- 9.9 | 10.37-12.37 |
| Soya Bean Oil | 10.4 | 2 | 10.2 | 12.75 |
| Train Oil | 10.0 | 2-20 | 8- 9.8 | 10.0 -12.25 |
| Vegetable Tallow | 10.9 | 1-3 | 10.5-10.8 | 13.12-13.5 |