NF X31-106

Soil quality - Determination of active limestone content

Le présent document décrit deux méthodes de détermination du calcaire actif dans les échantillons de sol : - la méthode A (méthode DROUINEAU) s'applique pour une teneur en calcaire actif inférieur ou égale à 13 % ; - la méthode B (méthode DROUINEAU-GALET) s'applique pour une teneur en calcaire actif supérieur à 13% trouvée avec la méthode A.

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