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SUBSTANCES HUMIQUES [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2015-10-09

English

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

The amorphous, complex polymeric organic substances produced on decomposition of plant and animal materials in soils and sediments, and which give a characteristic yellow/brown colouration to many surface waters.

OBS

humic substances: term rarely used in the singular (humic substance).

OBS

humic substances: term and definition standardized by ISO.

Key term(s)
  • humic substance

French

Domaine(s)
  • Chimie
  • Géochimie
  • Science du sol
DEF

Substances complexes organiques polymérisées, amorphes, issues de la décomposition des matières végétales et animales dans les sols et sédiments, qui donnent une coloration caractéristique jaune-brun à de nombreuses eaux de surface.

OBS

substances humiques : terme rarement utilisé au singulier (substance humique).

OBS

substances humiques : terme et definition normalisés par l'ISO.

Key term(s)
  • substance humique

Spanish

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

Sustancias orgánicas poliméricas complejas y amorfas, producidas por descomposición de materiales vegetales y animales en suelos y sedimentos, y que da una coloración característica amarilla pardusca a muchas aguas superficiales.

Key term(s)
  • sustancia húmica
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