TERMIUM Plus®

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ACCION AMORTIGUADORA [1 record]

Record 1 2016-08-25

English

Subject field(s)
  • Chemistry
DEF

The action of ionizable molecules (particularly ions held by the adsorption complex) in equilibrium with ions in solution, in reducing the pH variations that result from additions of acids or bases, changes of concentration of a solution ...

OBS

The effect is to stabilize, by acting as a "buffer" to the pH.

French

Domaine(s)
  • Chimie
DEF

Action de certains ions en solution empêchant une variation brusque de la concentration en ions hydrogène.

CONT

Solution tampon. C'est une solution généralement aqueuse dans laquelle on peut ajouter ou retirer des ions H+ (par addition d'acide ou de base) sans modifier sensiblement le pH. La résistance à l'apport d'ions étrangers s'appelle «effet tampon».

Spanish

Campo(s) temático(s)
  • Química
OBS

Resistencia de una solución a cambiar su pH.

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