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EVS-EN ISO 16720:2007

Soil quality - Pretreatment of samples by freeze-drying for subsequent analysis

General information
Valid from 06.06.2007
Base Documents
ISO 16720:2005; EN ISO 16720:2007
Directives or regulations
None

Standard history

Status
Date
Type
Name
06.06.2007
Main
This International Standard specifies a method for pretreatment of soil samples by freeze-drying for subsequent analysis. This International Standard is applicable to soil samples for subsequent determination of elements or organic compounds recognized as non-volatile under freeze-drying conditions. Generally, this International Standard can also be applied to samples from sludges and sediments. This method is also applicable as a first step for the determination of dry matter (or water) content, for instance in the case of samples with high water content.
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