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saponificação

English translation: saponification

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Portuguese term or phrase:saponificação
English translation:saponification
Entered by: Brigitte Gendebien
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02:58 Apr 24, 2001
Portuguese to English translations [Non-PRO]
Science
Portuguese term or phrase: saponificação
This word belongs to a chemical program of a high school in Brazil. Belongs to "Tipos de Reações orgânicas".
Thanks
Fernanda Silva Mendes
saponification
Explanation:
Saponificação

A hidrólise de uma gordura por um álcali é denominada saponificação. Os produtos resultantes são o glicerol e os sais alcalinos dos ácidos graxos, chamados de sabões. A hidrólise ácida de uma gordura produz ácidos graxos livres do glicerol. Os sabões são agentes de limpeza devido à ação emulsificante. Alguns sabões de elevado peso molecular e altamente insaturados são germicidas seletivos. Outros, como o ricinoleato de sódio, tem ação desintoxicante contra as toxinas do tétano e da difteria.
(http://www.zemoleza.com.br/trabalho.asp?cod=220)


saponification
The hydrolysis of esters by alkalis, and especially the hydrolytic action by which fats and oils containing glycerides are converted into soap and an alcohol, which, in the case of glycerides, is glycerin. (http://palimpsest.stanford.edu/don/dt/dt2964.html)


saponification
A reaction in which an ester is heated with an alkali, such as sodium hydroxide, producing a free alcohol and an acid salt, especially alkaline hydrolysis of a fat or oil to make soap. (http://www.bartleby.com/61/37/S0083700.html)

Selected response from:

Brigitte Gendebien
Belgium
Local time: 07:32
Grading comment
It is me again, just to say THANK YOU AGAIN!!!
Many regards,
FSM
4 KudoZ points were awarded for this answer

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Summary of answers provided
nasaponification
Brigitte Gendebien


  

Answers


4 mins
saponification


Explanation:
Saponificação

A hidrólise de uma gordura por um álcali é denominada saponificação. Os produtos resultantes são o glicerol e os sais alcalinos dos ácidos graxos, chamados de sabões. A hidrólise ácida de uma gordura produz ácidos graxos livres do glicerol. Os sabões são agentes de limpeza devido à ação emulsificante. Alguns sabões de elevado peso molecular e altamente insaturados são germicidas seletivos. Outros, como o ricinoleato de sódio, tem ação desintoxicante contra as toxinas do tétano e da difteria.
(http://www.zemoleza.com.br/trabalho.asp?cod=220)


saponification
The hydrolysis of esters by alkalis, and especially the hydrolytic action by which fats and oils containing glycerides are converted into soap and an alcohol, which, in the case of glycerides, is glycerin. (http://palimpsest.stanford.edu/don/dt/dt2964.html)


saponification
A reaction in which an ester is heated with an alkali, such as sodium hydroxide, producing a free alcohol and an acid salt, especially alkaline hydrolysis of a fat or oil to make soap. (http://www.bartleby.com/61/37/S0083700.html)



Brigitte Gendebien
Belgium
Local time: 07:32
Native speaker of: Native in FrenchFrench
Grading comment
It is me again, just to say THANK YOU AGAIN!!!
Many regards,
FSM
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