EN 14671:2006

Characterization of sludges - Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride EN 14671:2006

Publication date:   Dec 27, 2006

General information

90.93 Standard confirmed   Jun 13, 2022

CEN

CEN/TC 308 Characterization and management of sludge

European Norm

13.030.20   Liquid wastes. Sludge

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Scope

This European standard specifies a procedure for the determination of extractable ammonia using a 2 mol/l potassium chloride solution in raw and digested sewage sludges. The range of the method is up to 100 g/kg N assuming appropriate dilution of the potassium chloride extract in the final measurement step.
The above wording will be modified once the round robin results are available. It may be suitable for other types of sludges, but the user should validate the method using these sludges.

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PUBLISHED
EN 14671:2006
90.93 Standard confirmed
Jun 13, 2022