BS ISO 11464 pdf download Soil quality — Pretreatment of samples for physico-chemical analysis Scope This lnternational Standard specifies the pretreatments required for soil samples that are to be subjected tophysico-chemical analyses of stable and non-volatile parameters and describes the following five types ofpretreatment of samples: drying, crushing, sieving, dividing and milling. the pretreatment procedures described in this lnternational Standard...