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APROTICO [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-04-09

English

Subject field(s)
  • Chemistry
  • Paints and Varnishes (Industries)
DEF

[Is said of] a solvent that does not yield or accept a proton. [The definition was written according to source GOLCH-E].

French

Domaine(s)
  • Chimie
  • Peintures et vernis (Industries)
DEF

Se dit d'un solvant qui n'échange pas de protons avec les substances dissoutes.

OBS

Ni protogène, ni protophile (dans une situation donnée). En présence d'acides ou de bases de Brönsted extrêmement forts, des solvants normalement aprotiques peuvent accepter ou perdre un proton. Par exemple, l'acétonitrile est le plus souvent un solvant aprotique mais, il est protophile en présence d'acide sulfurique concentré et protogène en présence de tert-butylate de potassium. Des considérations semblables s'appliquent au benzène, au trichlorométhane, etc.

Spanish

Campo(s) temático(s)
  • Química
  • Pinturas y barnices (Industrias)
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