Abstract / scope
ISO 12782-4:2012 specifies a procedure to determine the concentration of humic substances in soil or other materials. Other materials also include waste. The content of humic substances can be used as input in geochemical models.
ISO 12782-4:2012Published
Soil quality — Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials — Part 4: Extraction of humic substances from solid samples
Qualité du sol — Paramètres pour la modélisation géochimique de la lixiviation et de la spéciation des constituants des sols et des matériaux — Partie 4: Extraction des substances humiques des échantillons solides