This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 Excerpt: ...pure fats which have been churned with some sweet milk, artificially colored, salted, and sold as butter substitutes. If properly prepared they are quite wholesome. SOAPS When fats and oils are treated with alkali hydroxides the glycerin is set free and a soap is formed. Such a process is called "saponification." Soaps ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 Excerpt: ...pure fats which have been churned with some sweet milk, artificially colored, salted, and sold as butter substitutes. If properly prepared they are quite wholesome. SOAPS When fats and oils are treated with alkali hydroxides the glycerin is set free and a soap is formed. Such a process is called "saponification." Soaps may be divided into hard and soft soaps. Hard soaps are those in which sodium is the base; soft, those in which potassium is the base. Example: Chscciuhbo.)! + 3NaOH = 3NaCI8H330, + CHs(OH), (Glyceryl oleate) Sodium hydroxide (Sodium oleate) Glycerin Olive oil Hard or Castile soap Soaps are soluble in water and alcohol. Potassium or soft soaps are usually yellowish, but are frequently tinted green artificially and called "green soap." Soaps are excellent cleansing agents, and are also more or less disinfectant. ALDEHYDES These compounds are formed by dehydrogenating alcohols, usually by oxidation. For example: Ethyl or acetic aldehyde. COH I H-C-H I H C2H6OH + O = CH3COH + H20 Ethyl alcohol Oxygen Ethyl or acetic aldehyde Water FORMALDEHYDE H / HCOH H-C "Methyl Aldehyde" This compound is prepared by the oxidation of wood or methyl alcohol: CH3OH + O = HCOH + H20 Methyl alcohol Oxygen Formaldehyde Water It is a colorless gas with a pungent odor, soluble in water. A 40 per cent. aqueous solution is known as "formalin." The official solution of formaldehyde contains about 37 per cent, of the gas. It is an antiseptic of great power, a disinfectant, a preservative for foods and drinks, a deodorizer, and a cauterizing agent. It is also used in embalming fluids and as a preservative for specimens. PARALDEHYDE ((CH3COH)3) Paraldehyde is a colorless, transparent liquid with a strong, characteristic odor and a bu...
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New. Trade paperback (US). Glued binding. 260 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.