The handbook of soap manufacture

by W. H. Simmons; H. A. Appleton

ANALYSIS OF RAW MATERIALS, SOAP, AND GLYCERINE.

Fats and Oils—Alkalies and Alkali Salts—Essential Oils—Soap—Lyes—Crude Glycerine.

Raw Materials.—Average figures have already been given in Chapters III. and VIII. for the more important physical and chemical characteristics of fats and oils, also of essential oils; the following is an outline of the processes usually adopted in their determination. For fuller details, text-books dealing exhaustively with the respective subjects should be consulted.