NF ISO 16720

January 2005

Standard Current

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

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Main informations

Collections

National standards and national normative documents

Publication date

January 2005

Number of pages

9 p.

Reference

NF ISO 16720

ICS Codes

13.080.05 Examination of soils in general

13.080.10 Chemical characteristics of soils

13.080.20 Physical properties of soils

Print number

1 - juillet 2005

International kinship

ISO 16720:2005

Standard replaced by (1)

NF EN ISO 16720

May 2007

Standard Current

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

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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