Glossary entry (derived from question below)
French term or phrase:
libérer de ses sels
English translation:
remove its salts
Added to glossary by
CMarc
Aug 23, 2013 12:41
10 yrs ago
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French term
libérer de ses sels
French to English
Science
Chemistry; Chem Sci/Eng
FR =
Étant donné le caractère amphotère de la molécule, il est nécessaire de la libérer de ses sels à pH 10 exactement
vérifié (à ce pH, elle n'est pas encore resolubilisée par sa fonction sulfonamide).
EN =
Given the amphoteric properties of the compound, dissociation of its salts is required at exactly pH 10 (at this pH, the compound is not yet resolubilized by its sulfonamide functional group).
Any chemistry specialists able to help? I am not sure about the "libération". Do they mean dissolution of the salts (ion-anion) or removing the salts from the compound?
Thanks in advance.
Étant donné le caractère amphotère de la molécule, il est nécessaire de la libérer de ses sels à pH 10 exactement
vérifié (à ce pH, elle n'est pas encore resolubilisée par sa fonction sulfonamide).
EN =
Given the amphoteric properties of the compound, dissociation of its salts is required at exactly pH 10 (at this pH, the compound is not yet resolubilized by its sulfonamide functional group).
Any chemistry specialists able to help? I am not sure about the "libération". Do they mean dissolution of the salts (ion-anion) or removing the salts from the compound?
Thanks in advance.
Proposed translations
(English)
| 4 +2 | remove its salts |
merlrennes
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Proposed translations
+2
18 mins
Selected
remove its salts
As I understand it, the amphoteric compound (a metal oxide) may have formed salts in solution due to having been in an acidic environment, thus to remove the salts, the pH has to be increased to 10 (i.e. the solution becomes more alkaline (basic)) so that the compound (in solution) is no longer in the form of a salt.
Thus the compound will be “freed” from its salts.
See: http://chemistryhelp.net/basic-chemistry/amphoteric-substanc...
http://en.wikipedia.org/wiki/PH
Thus the compound will be “freed” from its salts.
See: http://chemistryhelp.net/basic-chemistry/amphoteric-substanc...
http://en.wikipedia.org/wiki/PH
Peer comment(s):
| agree |
claude-andrew
: "remove it from its salts" might be slightly more appropriate
35 mins
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yes you are right it
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| agree |
chris collister
: Oops, software playing up....
36 mins
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4 KudoZ points awarded for this answer.
Comment: "Thanks you!"
Discussion
Once the pH goes higher than 10, the sulfonamide too will begin to go into solution. (Quote: "Although amphoteric, sulfonamides generally behave as weak organic acids and are much more soluble in an alkaline than in an acidic environment. " from http://www.merckmanuals.com/vet/pharmacology/antibacterial_a...