Grandma's Soap Recipe This soap recipe was found in the 1909 RestRoom Guestbook of my Grandmother Constance Warwick McGill's with other saved memoiries that have been stashed away in our basement of treasures. At least, I think it is a soap recipe! ---------- Coconut Oil 14. KOH 90% 6. NaOH .5 Oleic Acid 10. Glycerin 12. Perfumed oil .5 Dis. H2O 57. Dissolve KOH (potassium hydroxide) in 1/4 H2O melt coconut oil and at 130 degree F. Stir in KOH solution. Increase temp to 180 degree F and stir for 1 hour. Allow to stand over night. Boil 1/2 hour remaining H2O and all the glycerin. Then add soap in small Heat rest of H2O to B.P. (boiling point) add NaOH (sodium hydroxide) and stir into soap. Heat Oleic Acid to 160 degree F. and add with steady agitation to the soap solution. Mix for 2 hours until tests show complete saponifiction*. ---------- * sa·pon·i·fi·ca·tion n. -- A reaction in which an ester is heated with an alkali, such as sodium hydroxide, producing a free alcohol and an acid salt, especially alkaline hydrolysis of a fat or an oil to make soap. * sodium hydroxide n. -- A strongly alkaline compound, NaOH, used in the manufacture of chemicals and soaps and in petroleum refining. Also called caustic soda, lye. * Nitrous oxide (N2O) -- This is s a by-product of biological activity of a symbiotic bacteria living in leguminous plant roots. It is a principal greenhouse gas that absorbs in the infrared wavelength region and unfortunately falls in an IR "window" between IR absorbing features of water and carbon dioxide (a characteristic of all the "trace" greenhouse gases with significant radiative forcing). It is also laughing gas used in medicine as a gentle general anesthetic. [Nature; v335; 528-529; 1988] [Atmospheric sulfur and nitrogen oxides; George Hidy; p13; 1986; Academic press: New York] * KOH -- potassium hydroxide