Glycerine in soap, Determination of, 149.
Glycerol content, Ways of calculating actual, 159.
Glycerol determination, Acetin process, 155.
Glycerol determination, Bichromate process for, 160.
Hardened oils in toilet soap, Use of, 96.
Insoluble impurities in fatty oils, Determination of (standard method), 172. Note on method, 187.
Insoluble matter in soap, determination of, 143.
International committee on glycerine analysis, 150.
Iodine member Wijs method, Standard, 177-181. Note on method, 191.
Koettstorfer number (Standard method), 181-182.
Leiste & Stiepel method for rosin in soap, 146.
Lime, Use in treatment of glycerine water, 116.
Magnesia, Use in autoclave saponification, 120.
Manganese sulfate, Use of as catalyzer in fermentative cleavage of fats, 122.
Medicinal soaps, Therapeutic value of, 76.
Melting point of fat or oil, Standard method, 193.
Moisture in soap, Determination of, 138, 130.
Moisture and volatile matter in fats and oils, Standard method for detm. of, 170. Note on method, 184-185.
Normal acids, Equivalent in alkalis, 136.
Oils and fat, Nature of used in soap manufacture, 2.
Precipitation test for treated spent lyes, 110.
Recovery of glycerine from spent lye, 106.
Resin acids, Total fatty and, Determination of in soap, 144.
Sampling for standard method, 166. Note on, 184.
Silica and silicates, Determination of in soap, 148.
Soap, Determination insoluble matter, 143.
Sodium perborate, Use of in soap powders, 57.
Soluble mineral matter detm. of in fats and oils, 173. Note on method, 187-188.
Spent lye, Recovery of glycerine from, 106.
Spent lyes, Treatment of for glycerine recovery, 107.
Standard methods of analysis for fats and oils, 165-196.
Starch and gelatine, Determination in soap, 143.
Sulfate of alumina, Use of in spent lyes, 108.
Tallow, Improving color by extraction of free fatty acid, 6.
Testing of alkalis used in soap making, 134.
Tung oil, Note one iodine, number of, 180.
Toilet soap, Use of hardened oils in, 96.
Total alkali, Determination of in soap, 147.
Total fatty and resin acids, Determination of in soap, 144.
Unsaponifiable matter, Determination of in oils and fats, 132.
Unsaponifiable matter, Determination of in soap, 148.
Unsaponifiable matter, determination of by standard method, 176.