saponify
Americanverb (used with object)
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to convert (a fat) into soap by treating with an alkali.
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to decompose (any ester), forming the corresponding alcohol and acid or salt.
verb (used without object)
verb
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to undergo or cause to undergo a process in which a fat is converted into a soap by treatment with alkali
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to undergo or cause to undergo a reaction in which an ester is hydrolysed to an acid and an alcohol as a result of treatment with an alkali
Other Word Forms
Etymology
Origin of saponify
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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Sal soda solution 170 " Water 100 " V First saponify 100 parts house grease and 100 parts ordinary grease and make a run soap.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
To saturate the free acid in 1 gramme of wax requires 19 to 21 milligrammes of potassic hydrate, while 73 to 76 milligrammes more are necessary to saponify the myricine ether.
From Scientific American Supplement, No. 443, June 28, 1884 by Various
But, to simplify the operation, he preferred to saponify the fat by lime.
From The Mysterious Island by Stephen W. White
Cotton-seed oil requires weak lyes for saponification, and, being difficult to saponify alone even with prolonged boiling, is generally mixed with animal fat.
From The Handbook of Soap Manufacture by W. H. Simmons
B., depending upon the amount of moisture desired in the finished soaps, plus a slight excess required to saponify a known weight of cocoanut oil.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
The red oil and tallow are first saponified with 15 degs.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
Strong lyes are now added and the fat entirely saponified, which is termed the strengthening change.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
In manufacturing these soaps the cocoanut oil is saponified in the crutcher with 38 degs.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
Example.—1.4367 grammes crude glycerine, after treatment with acetic anhydride, and neutralising, was saponified with 25 c.c. of a 10 per cent. caustic soda solution.
From The Handbook of Soap Manufacture by W. H. Simmons
The mixture now consists of a partly saponified layer of fat above the spent lyes.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
On the other hand, if we use a mineral acid as the saponifying agent, we obtain the fatty acids themselves in addition to glycerine.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
In the glycerin industry the lyes obtained by saponifying the fats are first evaporated with “wet vacuum” and finally distilled with closed and live steam and a “dry vacuum.”
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" by Various
Thus, if we use caustic alkali as our saponifying agent for a fat or oil, we obtain the sodium or potassium salt of the higher fatty acids or soap and the alcohol, glycerine.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
In saponifying a freshly stocked kettle it is apt to bunch.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
The time consumed in thus saponifying rosin is about five hours.
From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
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