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ACID BASE BUFFER [1 record]
Record 1 - internal organization data 2004-03-03
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Food Additives
- Biotechnology
Record 1, Main entry term, English
- buffer solution
1, record 1, English, buffer%20solution
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- buffer 2, record 1, English, buffer
correct, noun
- chemical buffer 3, record 1, English, chemical%20buffer
correct
- buffered solution 4, record 1, English, buffered%20solution
correct
- acid and base buffer 3, record 1, English, acid%20and%20base%20buffer
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A solution to which moderate amounts of either a strong acid or base may be added without causing any large change in the pH value of the solution. Such solutions usually contain (a) a weak acid and a salt of the weak acid, (b) a mixture of an acid salt with the normal salt, or (c) a mixture of two acid salts. 5, record 1, English, - buffer%20solution
Record number: 1, Textual support number: 1 CONT
For many situations, it is desirable to maintain the H+ and OH- concentration of a water solution at low and constant values. A useful device for this is a mixture of weak acid and its anion (or of a weak base and its cation). Such a mixture is called buffer. 6, record 1, English, - buffer%20solution
Record 1, French
Record 1, Domaine(s)
- Chimie
- Additifs alimentaires
- Biotechnologie
Record 1, Main entry term, French
- tampon
1, record 1, French, tampon
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- solution tampon 2, record 1, French, solution%20tampon
correct, feminine noun
- solution-tampon 3, record 1, French, solution%2Dtampon
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Mélange de solutions dont le pH ne s'altère pratiquement pas au cours d'une dilution. On prend généralement le mélange d'un acide fort (ou d'une base forte) avec un sel organique. Toute variation du pH y provoque une réaction tendant à restaurer l'équilibre primitif. 4, record 1, French, - tampon
Record number: 1, Textual support number: 1 OBS
pluriel : des solutions tampons (d'après le Dictionnaire de la chimie de Duval, 1978, p. 985). 5, record 1, French, - tampon
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Aditivos alimentarios
- Biotecnología
Record 1, Main entry term, Spanish
- solución amortiguadora
1, record 1, Spanish, soluci%C3%B3n%20amortiguadora
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- disolución amortiguadora 2, record 1, Spanish, disoluci%C3%B3n%20amortiguadora
feminine noun
- solución reguladora 3, record 1, Spanish, soluci%C3%B3n%20reguladora
feminine noun
- solución tampón 4, record 1, Spanish, soluci%C3%B3n%20tamp%C3%B3n
feminine noun
- disolución tampón 2, record 1, Spanish, disoluci%C3%B3n%20tamp%C3%B3n
feminine noun
- solución tope 5, record 1, Spanish, soluci%C3%B3n%20tope
feminine noun
- amortiguador 5, record 1, Spanish, amortiguador
masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Aquella cuyo pH se mantiene casi constante al añadir una cantidad moderada de un ácido o de una base. 2, record 1, Spanish, - soluci%C3%B3n%20amortiguadora
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