8 



THE HANDBOOK OF SOAP MANUFACTURE. By 



Wm. H. Simmons, B.Sc. (Lond.), F.C.S. and H. A. Appleton. Demy 

 8vo. 160 pp. 27 Illustrations. Price 8s. 6d. net. (Post free, 

 8s. lOd. home ; 9s. abroad.) 



Contents. 



Definition of Soap. — Properties — Hydrolysis— Detergent Action. Constitution of Oils 

 and Fats, and tlieir Saponification. — Researches of Chevreul and Berthelot-- Mixed 

 Glycerides — Modern Theories of Saponification — Hydrolysis accelerated by (1) Heat or 

 Electricity. (2) Ferments, Castor-seed Ferment. Steapsin Emulsin and (3) Chemical 

 Reagents, Sulphuric Acid, Twitchell's Reagent, Hydrochloric Acid, Lime, Magnesia, Zinc 

 Oxide, Soda and Potash. Raw Materials used in Soap-making. — Fats and Oils — Waste 

 Fats — Fatty Acids — Less-known Oils and Fats of Limited Use — Various Xew Fats and Oils 

 Suggested for Soap-making — Rosin — Alkali (Caustic and Carbonated) — Water— Salt Soap- 

 stock. Bleacliing and Treatment of Raw Materials intended for Soap-making.— 

 Palm Oil— Cottonseed Oil — Cottonseed " Foots" — Vegetable Oils — Animal Fats — Bone Fat — 

 Rosin. Soap= making. —Ch.ssification of Soaps— Direct combination of Fatty Acids with 

 Alkali — Cold Process Soaps — Saponification under Increased or Diminished Pressure — Soft 

 Soap — Marine Soap — Hydrated Soaps, Smooth and Marbled — Pasting or Saponification — 

 Graining Out— Boiling on Strength — Fitting — Curd Soaps — Curd Mottled— Blue and Grey 

 Mottled Soaps — Milling Base — Yellow Household Soaps— Resting of Pans and Settling of 

 Soap — Utilisation of Nigres — Transparent Soaps— Saponifying Mineral Oil — Electrical Pro- 

 duction of Soap. Treatment of Settled Soap.— Cleansing— Crutching — Liquoring of Soaps 

 — Filling— Neutralising, Colouring and Perfuming — Disinfectant Soaps — Framing — Slabbing 

 — Barring — Open and Close Piling — Drying — Stamping — Cooling. Toilet, Textile and 

 Miscellaneous Soaps.— Toilet Soaps— Cold Process Soaps — Settled Boiled Soaps— Remelted 

 Soaps — Milled Soaps — Drying, Mi ling and Incorporating Colour, Perfumes, or Medicaments 

 — Perfumes^Colouring Matter — Neutralising and Super-fatiing Material — Compressing — 

 Cutting— Textile Soaps — Soaps for Woollen, Cotton and Silk Industries — Patent Textile 

 Soaps — Stamping — Medicated Soaps — Ether Soap — Floating Soaps — Shaving Soaps — 

 Miscellaneous Soaps. Soap Perfumes. — Essential Oils — Source and Preparation — Properties 

 — Artificial and Synthetic Perfumes. Glycerine Manufacture and Purification. — Treat- 

 ment of Lyes — Evaporation — Crude Glycerine — Distillation — Distilled and Dynamite 

 Glycerine — Chemically Pure Glycerine — Animal Charcoal for Decolorisation — Glycerine 

 resultant from other methods of Saponification — Yield of Glycerine from Fats and Oils. 

 Analysis of Raw Materials, Soap and Glycerine. — Fats and Oils— Alkalies and Alkali 

 ^alts — Essential Oils — Soap — Lyes — Crude Glycerine. Statistics of the Soap Industry. 

 Appendix A. — Comparison of Degrees Twaddell, Beaume and Actual Densities. 

 Appendix B.— Comparison of Different Thermometric Scales. Appendix C. — Table of 

 the Specific Gravities of Solutions of Caustic Soda. Appendix D.— Table of Strength 

 of Caustic Potash Solutions at 6o- F. Index. 



Cosmetical Preparations. 



COSMETICS : MANUFACTURE, EMPLOYMENT 

 AND TESTING OF ALL COSMETIC MATERIALS 

 AND COSMETIC SPECIALITIES. Translated 

 from the German of Dr. Theodor Roller. Crown 8vo. 262 pp. 

 Price 5s. net. (Post free, 5s. 4d. home ; 5s. 6d. abroad.) 



Contents, 



Purposes and Uses of, and Ingredients used in the Preparation of Cosmetics — Preparation of 

 Perfumes by Pressure, Distillation, Maceration, Absorption or Enfleurage, and Extraction 

 Methods — Chemical and Animal Products used in the Preparation of Cosmetics — Oils and Fats 

 used in the Preparation of Cosmetics — General Cosmetic Preparations — Mouth Washes and 

 Tooth Pa?tes — Hair Dyes, Hair Restorers and Depilatories — Cosmetic Adjuncts and 

 Specialities — Colouring Cosmetic Preparations — Antiseptic Washes and Soaps — Toilet and 

 Hygienic Soaps — Secret Preparations for Skin, Complexion, Teeth, Mouth, etc. — Testing and 

 Examining the Materials Employed in the Manufacture of Cosmetics — Index. 



Glue, Bone Products and 



Manures. 



GLUE AND GLUE TESTING. By Samuel Rideal, D.Sc. 

 (Lond.), F.I.C. Fourteen Engravings. 144 pp. Demy 8vo. Price 

 10s. 6d. net. (Post free, 10s. lOd. home ; lis. abroad.) 



