ISO 11464:1994

Soil quality — Pretreatment of samples for physico-chemical analyses

Specifies the pretreatments required for soil samples that are to be subjected to physico-chemical analyses and describes the five types of pretreatment of samples: drying, crushing, sieving, dividing and milling. The pretreatment procedures described herein are not applicable if they affect the results of the determinations to be made.