TERMIUM Plus®

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SESQUIOXIDES [1 record]

Record 1 2003-11-13

English

Subject field(s)
  • Soil Science
  • Analytical Chemistry
DEF

Oxide containing 2 metallic and 3 oxygen atoms, chiefly iron and alumina; e.g., Fe203, A1203

Key term(s)
  • sesquioxides

French

Domaine(s)
  • Science du sol
  • Chimie analytique
CONT

les colloïdes électropositifs, ou basoïdes, sont chargés positivement; ce sont les hydrates de fer et les hydrates d'aluminium (appelés souvent sesquioxydes).

CONT

On trouve couramment dans le sol des oxydes plus ou moins hydratés et parfois des sels assez divers - carbonates, sulfates, sulfures - de fer, d'aluminium et de manganèse. On a pris l'habitude de désigner ces éléments du sol sous le terme de «sesquioxydes», [...]

Key term(s)
  • sesquioxydes

Spanish

Campo(s) temático(s)
  • Ciencia del suelo
  • Química analítica
DEF

Conjunto de óxidos e hidróxidos de Al, Fe y Mn de un suelo, generalmente presentes como coloides.

Key term(s)
  • sesquióxidos
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