12. Shaving Soaps 87-90 Shaving Powder 90 Shaving Cream 90-93 13. Pumice or Sand Soaps 93-94 14. Liquid Soaps 94-95 15. Use of Hardened Oils in Toilet Soaps 96-98 16. Textile Soaps 98 Scouring and Fulling Soaps for Wool 98-100 Wool Thrower's Soap 100-101 Worsted Finishing Soaps 101 Soaps Used in the Silk Industry 101-103 Soaps Used for Cotton Goods 103-104 17. Sulphonated Oils 104-105 CHAPTER V. GLYCERINE RECOVERY 105-126 1. Methods of Saponification 105-106 Recovery of Glycerine from Spent Lye 106-113 Twitchell Process 113-118 Autoclave Saponification 118 Lime Saponification 118-120 Acid Saponification 120-121 Aqueous Saponification 121 Splitting Fats with Ferments 121-123 Krebitz Process 123-125 2. Distillation of Fatty Acids 125-126 CHAPTER VI. ANALYTICAL METHODS 127-164 1. Analysis of Oils and Fats 128 Free Fatty Acids 128-130 Moisture 130 Titer 130-132 Determination of Unsaponifiable Matter 132-133 Test for Color of Soap 133-134 Testing of Alkalis Used in Soap Making 134-137