This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
ISO 16720:2005 specifies a method for pretreatment of soil samples by freeze-drying for subsequent analysis.
ISO 16720:2005 is applicable to soil samples for subsequent determination of elements or organic compounds recognized as non-volatile under freeze-drying conditions. Generally, ISO 16720:2005 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.
Status : PublishedPublication date : 2005-03
Edition : 1Number of pages : 5
Technical Committee:Chemical and physical characterization
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