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Soap-Making Manual / A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. cover

Soap-Making Manual / A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant.

Chapter 186: INDEX
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About This Book

A practical handbook explains the raw materials of soapmaking—fats, oils, alkalis, rosin and auxiliaries—and their preparation and treatment. It describes plant construction, equipment, and principal manufacturing methods, providing classified formulas and procedures for laundry, toilet, transparent, shaving, liquid, textile and medicinal soaps. The work details glycerine-recovery processes and fatty-acid distillation alongside sampling and analytical methods for oils, soaps and glycerine to control quality. Illustrations, tables and guidance on bleaching, rancidity prevention, hydrogenation and simple tests are included to help operators and small plants perform manufacture and routine analysis.

Sp. Gr. % Water Sp. Gr. % Water
1.262 0 1.160 38
1.261 1 1.157 39
1.258 2 1.155 40
1.255 3 1.152 41
1.2515 4 1.149 42
1.250 5 1.1464 43
1.2467 6 1.1437 44
1.2450 7 1.141 45
1.243 8 1.1377 46
1.241 9 1.1353 47
1.237 10 1.1326 48
1.235 11 1.1304 49
1.2324 12 1.127 50
1.229 13 1.125 51
1.2265 14 1.1224 52
1.2245 15 1.1204 53
1.2225 16 1.117 54
1.2185 17 1.114 55
1.2174 18 1.112 56
1.2142 19 1.109 57
1.211 20 1.106 58
1.207 21 1.103 59
1.203 22 1.1006 60
1.2004 23 1.088 65
1.198 24 1.075 70
1.195 25 1.0623 75
1.1923 26 1.049 80
1.189 27 1.0365 85
1.188 28 1.0243 90
1.1846 29 1.0218 91
1.182 30 1.0192 92
1.179 31 1.0168 93
1.176 32 1.0147 94
1.1734 33 1.0125 95
1.171 34 1.01 96
1.168 35 1.0074 97
1.165 36 1.0053 98
1.163 37 1.0026 99

Table of Percentage, Specific Gravity and Beaume Degree of Pure Glycerine Solutions

Per cent WaterSp. Gr. Champion and PelletDegree Beaumé (Berthelot)Per cent WaterSp. Gr. Champion and PelletDegree Beaumé (Berthelot)
0 1.2640 31.2 11.0 1.2350 28.6
0.5 1.2625 31.0 11.5 1.2335 28.4
1.0 1.2612 30.9 12.0 1.2322 28.3
1.5 1.2600 30.8 12.5 1.2307 28.2
2.0 1.2585 30.7 13.0 1.2295 28.0
2.5 1.2575 30.6 13.5 1.2280 27.8
3.0 1.2560 30.4 14.0 1.2270 27.7
3.5 1.2545 30.3 14.5 1.2255 27.6
4.0 1.2532 30.2 15.0 1.2242 27.4
4.5 1.2520 30.1 15.5 1.2230 27.3
5.0 1.2505 30.0 16.0 1.2217 27.2
5.5 1.2490 29.9 16.5 1.2202 27.0
6.0 1.2480 29.8 17.0 1.2190 26.9
6.5 1.2465 29.7 17.5 1.2177 26.8
7.0 1.2455 29.6 18.0 1.2165 26.7
7.5 1.2440 29.5 18.5 1.2150 26.5
8.0 1.2427 29.3 19.0 1.2137 26.4
8.5 1.2412 29.2 19.5 1.2125 26.3
9.0 1.2400 29.0 20.0 1.2112 26.2
9.5 1.2390 28.9 20.5 1.2100 26.0
10.0 1.2375 28.8 21.0 1.2085 25.0
10.5 1.2362 28.7    

*Table of Specific Gravities of Pure Glycerine Solutions with Corresponding Beaume Degree and Percent Water

Per cent WaterSp. Gr. Degree Beaume Per cent WaterSp. Gr. Degree Beaume
0.0 1.2640 31.2 1.0 1.2612 30.9
0.5 1.2625 31.0 1.5 1.2600 30.8
2.0 1.2585 30.7 12.0 1.2322 28.3
2.5 1.2575 30.6 12.5 1.2307 28.2
3.0 1.2560 30.4 13.0 1.2295 28.0
3.5 1.2545 30.3 13.5 1.2280 27.8
4.0 1.2532 30.2 14.0 1.2270 27.7
4.5 1.2520 30.1 14.5 1.2255 27.6
5.0 1.2505 30.0 15.0 1.2242 27.4
5.5 1.2490 29.9 15.5 1.2230 27.3
6.0 1.2480 29.8 16.0 1.2217 27.2
6.5 1.2465 29.7 16.5 1.2202 27.0
7.0 1.2455 29.6 17.0 1.2190 26.9
7.5 1.2440 29.5 17.5 1.2177 26.8
8.0 1.2427 29.3 18.0 1.2165 26.7
8.5 1.2412 29.2 18.5 1.2150 26.5
9.0 1.2400 29.0 19.0 1.2137 26.4
9.5 1.2390 28.9 19.5 1.2125 26.3
10.0 1.2375 28.8 20.0 1.2112 26.2
10.5 1.2362 28.7 20.5 1.2100 26.0
11.0 1.2350 28.6 21.0 1.2085 25.9
11.5 1.2335 28.4     


INDEX

A

Acetin process for the determination of glycerol, 155.

Acid, Clupanodonic, 20.

Acid, Hydrochloric, 111.

Acid, Lauric, 2.

Acid, Myristic, 2.

Acid, Napthenic, 24.

Acid, Oleic, 15, 19.

Acid, Palmitic, 2.

Acid, Pinic, 22.

Acid, Resin, 144.

Acid, Stearic, 15, 19.

Acid, Sulfuric, 112.

Acid, Sylvic, 22.

Acid saponification, 120.

Air bleaching of palm oil, 12.

Albuminous matter, Removal from tallow, 6.

Alcohol, Denatured, 82.

Alcoholic method for free alkali in soap, 139.

Alkali Blue 6 B, indicator, 129.

Alkali, Total, determination of in soap, 147.

Alkalis, 25.

Alkalis used in soap making,
Testing of, 134.

Amalgamator, 33.

Analysis, Glycerine, International, 150.

Analysis, Soap, 137.

Analysis, Standard methods for fats and oils, 165-196.

Aqueous saponification, 121.

Arachis oil, 79.

Autoclave saponification, 118.

Automobile soaps, 41.


B

Barrels, sampling, 168.

Baumé scale, 25.

Bayberry wax, Use in shaving soap, 89.

Bichromate Process for glycerol determination, 160.

Bleaching, Fullers' earth process for tallow, 4.

Bleaching palm oil by bichromate method, 9.

Bleaching palm oil by air, 12.

Bosshard & Huggenberg method for determination of free alkali, 140.

Bunching of soap, 52.


C

Candelite, 96.

Candle tar, 125.

Carbolic soap, 77.

Carbon Dioxide, Formation of in carbonate saponification, 45.

Carbonate, potassium, 29.

Carbonate, saponification, 35, 45.

Carbonate, sodium, 28.

Castile soap, 79.

Castor oil ferment, 121.

Castor oil, Use of in transparent soaps, 83.

Caustic potash, 26.

Caustic potash, Electrolytic, 27.

Caustic soda, 26.

Changes in soap-making, 36.

Chemist, Importance of, 127.

Chipper, Soap, 32.

Chip soap, 54.

Chip soap, Cold made, 55.

Chip soap, Unfilled, 56.

Chrome bleaching of palm oil, 9.

Cloud test for oil, Standard method, 182-183.

Clupanodonic acid, 20.

Cocoanut oil, 6.

Cold cream soap, 78.

Cold made chip soaps, 55.

Cold made toilet soaps, 72.

Cold made transparent soaps, 84.

Cold process, 35, 43.

Colophony, 22.

Coloring soap, 75.

Copra, 7.

Corn oil, 14.

Corrosive sublimate, 78.

Cotton goods. Soaps used for, 103.

Cottonseed oil, 14.

Cream, Shaving, 90.

Crude glycerine, 113.

Crutcher, 32.

Curd soap, 71.

Cutting table, 32.


D

Determination of free fatty acid, 128.

Determination of unsaponifiable matter, 132.

Distillation of fatty acids, 125.

Drying machine, 32.


E

Enzymes, 17.

Eschweger soap, 81.

Examination of fats and oils, 128.


F

Fahrion's method for moisture, 138.

Fats and oils, Examination of, 128.

Fats and oils used in soap manufacture, 3.

Fatty acids, 14.

Fatty acids, Distillation of, 125.

Ferments, Splitting fats with, 121.

Fillers for laundry soaps, 53.

Fillers for soap powders, 58.

Finishing change, 36.

Fish oils, 20.

Floating soap, 62.

Formaldehyde soap, 78.

Frames, 31.

Free alkali in soap, Determination of, 139.

Free fatty acid, Determination of, 128.

Free fatty acids, Extraction from tallow, 6.

Free fatty acid, Standard method of dilu., 174.
Note on method, 188-189.

Full boiled soaps, 35.

Fullers' earth bleaching of tallow, 4.


G

Glycerides, 2.

Glycerine, 2.

Glycerine analysis, 150.

Glycerine change, 36.

Glycerine, Crude, 113.

Glycerine in spent lyes, Recovery of, 106.

Glycerine in soap, Determination of, 149.

Glycerine, Sampling crude, 162.

Glycerine soaps, 83.

Glycerol content, Ways of calculating actual, 159.

Glycerol determination, Acetin process, 155.

Glycerol determination, Bichromate process for, 160.

Graining soap, 30.

Grease, 21.

Grease, Bleaching, 21.

Grinding soap, 34.


H

Hand Paste, 93.

Hard water, 29.

Hardened oils in toilet soap, Use of, 96.

Hydrocarbon oils, 2.

Hydrogenating oils, 19.

Hydrolysis of fats and oils, 17.

Hydrolytic dissociation of soap, 1.

Hydrometers, 25.


I

Indicators, Action, 135-6.

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 manufacturing oil, 191.

Iodine member Wijs method, Standard, 177-181. Note on method, 191.

Iodine soap, 78.


J

Joslin, ref., 113.


K

"Killing" change, 36.

Koettstorfer number (Standard method), 181-182.

Kontakt reagent, 117.

Krebitz Process, 123.

Krutolin, 96.


L

Leiste & Stiepel method for rosin in soap, 146.

Liebermann, Storch reaction, 144.

Light powders, 60.

Laundry soap, 48.

LeBlanc Process, 28.

Lewkowitsch, ref., 17, 146.

Lime saponification, 118.

Lime, Use in Krebitz Process, 123.

Lime, Use in treatment of glycerine water, 116.

Liquid medicinal soaps, 79.

Liquid soaps, 94.

Lyes, Spent, 37.


M

Magnesia, Use in autoclave saponification, 120.

Manganese sulfate, Use of as catalyzer in fermentative cleavage of fats, 122.

Marine soaps, 39.

Medicinal soaps, 76.

Medicinal soaps, Less important, 78.

Medicinal soaps, Therapeutic value of, 76.

Melting point of fat or oil, Standard method, 193.

Mercury soaps, 78.

Metallic soaps, 1.

Methyl orange, indicator, 136.

Meyerheim, ref., 21.

Mill soap, 32.

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.

Mottle in soap, 81.

Mug shaving soap, 90.


N

Naphtha, Incorporation in soap, 49.

Naphthenic acids, 24.

Nigre, 36.

Normal acids, Equivalent in alkalis, 136.


O

Oils and fats, 1.

Oils and fats, Chemical constants, 18.

Oils and fats, Distinction, 1.

Oils and fats, Preserving, 18.

Oils and fat, Nature of used in soap manufacture, 2.

Oils and fats, Rancidity of, 16.

Oil hardening, 19.

Oleic acid, 15, 19.

Olein, 2, 19.

Olive oil, 14.

Olive oil foots, 14.

Organoleptic methods, 127.


P

Palmatin, 2.

Palm kernel oil, 8.

Palmitic acid, 2.

Palm oil, 8.

Palm oil, air bleaching, 12.

Palm oil, Chrome bleaching of, 9.

Palm oil soap, 66.

Pearl ash, 29.

Perfuming and coloring toilet soaps, 73.

Peroxide soap, 78.

Petroff reagent, 117.

Pfeilring reagent, 117.

Phenol, 77.

Phenolphthalein, indicator, 38.

Phenolphthalein, Using as indicator, 51.

Phenols, Soaps containing, 77.

Pinic acid, 22.

Plodder, 33.

Potash from wood ash, 27.

Potassium carbonate, 29.

Powders, Light, 60.

Powders, Scouring, 61.

Powders, Shaving, 90.

Powders, Soap, 56.

Precipitation test for treated spent lyes, 110.

Prevention of rancidity, 18.

Pumice or sand soaps, 93.

Purple shade in soap, 75.


R

Rancidity of oils and fats, 16.

Rancidity, Prevention, 18.

Recovery of glycerine from spent lye, 106.

Red oil, 15.

Red oil, Saponified, 15.

Resin acids, Total fatty and, Determination of in soap, 144.

Ribot, ref., 20.

Rosin, 22.

Rosin, Determination of in soap, 144.

Rosin saponification, 23.

Run and glued up soaps, 69.

Run soaps, 39.


S

Sal soda, 29.

Salt, 30.

Salting out, 30.

Salt "pickle," 37.

Sampling crude glycerine, 162.

Sampling for standard method, 166. Note on, 184.

Sampling oils and fats, 128.

Sampling soap, 137.

Saponification by ferments, 121.

Saponification, Acid, 120.

Saponification, Aqueous, 121.

Saponification, Autoclave, 118.

Saponification, Carbonate, 45.

Saponification defined, 2, 105.

Saponification, Lime, 118.

Saponification number, 181-182.

Saponification, Rosin, 23.

Saponification, Various methods, 105.

Scouring and fulling soaps for wool, 98.

Scouring powders, 61.

Scouring soap, 61.

Semi-boiled laundry soaps, 49.

Semi-boiled process, 44.

Shaving cream, 90.

Shaving powder, 90.

Shaving soaps, 87.

Silica and silicates, Determination of in soap, 148.

Silk dyeing, 102.

Silk industry, Soaps used in, 101.

Slabber, 32.

Smith method for moisture in soap, 138.

Soap analysis, 137.

Soap, Automobile, 41.

Soap, Carbolic, 71.

Soap, Castile, 79.

Soap, Chip, 54.

Soap Chip, cold made, 55.

Soap, Chip, unfilled, 56.

Soap, Cold cream, 78.

Soap, Coloring, 75.

Soap containing phenols, 77.

Soap, Curd, 71.

Soap, Defined, 1.

Soap, Determination insoluble matter, 143.

Soap, Determining glycerine in, 149.

Soap, Eschweger, 81.

Soap, Floating, 62.

Soap, Formaldehyde, 78.

Soap for wool, Scouring and fulling, 98.

Soap, Full boiled, 35.

Soap, Iodine, 78.

Soap kettle, 31.

Soap, Laundry, 48.

Soap, Liquid, 94.

Soap lye crude glycerine, 113.

Soap, Marine, 39.

Soap, Medicinal, 76.

Soap, Medicinal, less important, 78.

Soap, Mercury, 78.

Soap, Metallic, 1.

Soap, Peroxide, 78.

Soap powders, 56.

Soap, Pumice or sand, 93.

Soap, Rosin settled, 50.

Soap, Run and glued up, 69.

Soap, Scouring, 61.

Soap, Semi-boiled laundry, 49.

Soap, Shaving, 87.

Soap, Sulphur, 77.

Soap, Tannin, 78.

Soap, Tar, 77.

Soap, Test for color of, 133.

Soap, Textile, 98.

Soap, Toilet, 65.

Soap, Toilet cheaper, 68.

Soap, Toilet, cold made, 72.

Soap, Toilet perfuming and coloring, 73.

Soap, Transparent, 82.

Soap, Transparent, cold made, 84.

Soap used for cotton goods, 103.

Soap used in the silk industry, 101.

Soap, Witch hazel, 78.

Soap, Wool thrower's, 100.

Soap, Worsted finishing, 101.

Soda ash, 28.

Sodium carbonate, 28.

Sodium perborate, Use of in soap powders, 57.

Soft soaps, 40.

Soluble mineral matter detm. of in fats and oils, 173.
Note on method, 187-188.

Solvay process, 28.

Soya bean oil, 14.

Spent lye, Recovery of glycerine from, 106.

Spent lyes, 37.

Spent lyes, Treatment of for glycerine recovery, 107.

Splitting fats with ferments, 121.

Standard methods of analysis for fats and oils, 165-196.

Starch and gelatine, Determination in soap, 143.

Stearic acid, 15, 19.

Stearin, 2, 19.

Strengthening change, 36.

Strengthening lyes, 38.

Strunz crutcher, 63.

Sugar in soap, Determination of, 150.

Sugar, Use in transparent soap, 83.

Sulfate of alumina, Use of in spent lyes, 108.

Sulphonated oils, 104.

Sulphur soaps, 77.

Sweating of soap, 62.

Sweet water, 119.

Sylvic acid, 22.


T

Talgol, 96.

Tallow, 4.

Tallow, Fullers' earth bleaching of, 4.

Tallow, Improving color by extraction of free fatty acid, 6.

Tannin soap, 78.

Tar soap, 77.

Test for color of soap, 133.

Testing of alkalis used in soap making, 134.

Textile soaps, 98.

Titer, 130.

Tank cars, Sampling, 166.

Tierces, Sampling, 168.

Titer, Standard method, 175.

Titer, Note on, 189.

Tung oil, Note one iodine, number of, 180.

Toilet soap, 65.

Toilet soaps, Cheaper, 68.

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.

Train oils, 20.

Transparent soap, 82.

Transparent soap, Cold made, 84.

Troweling soap, 52.

Tsujimoto, ref., 20.

Tubes for transparent soap, 85.

Turkey red oil, 104.

Twaddle scale, 25.

Twitchell method for rosin, 145.

Twitchell process, 113.

Twitchell process, Advantages, 113.


U

Unsaponifiable matter, Determination of in oils and fats, 132.

Unsaponifiable matter, Determination of in soap, 148.

Unsaponifiable matter, determination of by standard method, 176.


V

Vacuum Oven, Standard, 176.

Vegetable oils, 6.


W

Water, 29.

Water, Hard, 29.

Witch hazel soap, 78.

Wool thrower's soap, 100.

Worsted finishing soaps, 101.


Z

Zinc oxide, Use of in autoclave saponification, 120.

Zinc oxide, Use of in soap, 33.