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ISO 16720:2005

Soil quality — Pretreatment of samples by freeze-drying for subsequent analysis
4 pri 2005

General information

90.93     5 mar 2026

ISO

ISO/TC 190/SC 3

International Standard

13.080.20  

anglisht   frëngjisht  

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Scope

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.

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PUBLISHED
ISO 16720:2005
90.93 Standard confirmed
5 mar 2026