11. The oldest organic reactions are combustion of organic fuels and saponification of fats to make soap. 12. The saponification value must be converted into an equivalent sodium hydroxide value for use in cold process soapmaking. 13. At this time, it is safe to use the soap, since saponification is in essence complete. 14. During this cure period, trace amounts of residual lye are consumed by saponification and excess water evaporates. 15. The fat content is extracted with solvents and measured by saponification ( turning the fat into soap ). 16. See Saponification for more information . Keenan Pepper 23 : 20, 9 June 2007 ( UTC) 17. Oil specification sheets contain laboratory test results for each fat, including the precise saponification value of the fat. 18. The fabric is boiled in an alkali, which forms a soap with free fatty acids ( saponification ). 19. A cold-process soapmaker first looks up the saponification value for each unique fat on an oil specification sheet. 20. Neutralization of decanoic acid or saponification of its esters, typically triglycerides, with sodium hydroxide will give sodium decanoate.
