请输入您要查询的英文单词:

 

单词 saponification
释义

saponification


sa·pon·i·fi·ca·tion

S0083700 (sə-pŏn′ə-fĭ-kā′shən)n. A reaction in which an ester is heated with an alkali, such as sodium hydroxide, producing a free alcohol and a carboxylate salt, especially alkaline hydrolysis of a fat or oil to make soap.
Thesaurus
Noun1.saponification - a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)chemical reaction, reaction - (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water"
Translations
saponificazione

Saponification


saponification

[sə‚pän·ə·fə′kā·shən] (chemistry) The process of converting chemicals into soap; involves the alkaline hydrolysis of a fat or oil, or the neutralization of a fatty acid.

Saponification

 

the hydrolysis of carboxylic and derivatives, including esters, nitriles, and amides, for example

RCOOR’ + H2O → RCOOH + R’OH

Saponification is widely used in industry to produce acids and alcohols. Higher aliphatic carboxylic acids, glycerol, soaps, and stearic acid are formed upon saponification of fats.

saponification

The conversion into soap which occurs when an alkali, such as the lime in cement, reacts with oils in paint; destroys the adhesion and strength of oil-based paint films.

saponification


saponification

 [sah-pon″ĭ-fĭ-ka´shun] conversion of an oil or fat into a soap by combination with an alkali. In chemistry, the term now denotes the hydrolysis of an ester by an alkali, resulting in the production of a free alcohol and an alkali salt of the ester acid.

sa·pon·i·fi·ca·tion

(să-pon'i-fi-kā'shŭn), Conversion into soap, denoting the hydrolytic action of an alkali on fat, especially on triacylglycerols; in histochemistry, saponification is used to demethylate or reverse blockage of carboxylic acid groups, thus permitting basophilia to occur. [sapo- (sapon-) + L. facio, to make]

sa·pon·i·fi·ca·tion

(să-pon'i-fi-kā'shŭn) Conversion into soap, denoting the hydrolytic action of an alkali on fat, especially on triacylglycerols. [L. sapo- (sapon-), soap + L. facio, to make]

saponification

Hydrolysis of a fat by an alkali to form a soap and an alcohol, usually glycerol.

sa·pon·i·fi·ca·tion

(să-pon'i-fi-kā'shŭn) Conversion into soap. [L. sapo- (sapon-), soap + L. facio, to make]

saponification


Related to saponification: Saponification value
  • noun

Words related to saponification

noun a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)

Related Words

  • chemical reaction
  • reaction
随便看

 

英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/9 21:52:09