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EN 16169:2012

Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen EN 16169:2012

Publication date:   Nov 20, 2012

General information

90.93 Standard confirmed   Jul 11, 2024

CEN

CEN/TC 444 Environmental characterization of solid matrices

European Norm

13.030.01   Wastes in general | 13.080.10   Chemical characteristics of soils

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Scope

This European Standard specifies the determination of Kjeldahl nitrogen according to the Kjeldahl procedure in sludge, treated biowaste and soil.
Nitrate and nitrite are not included.
Compounds with nitrogen bound in N-N, N-O linkages and some heterocycles (pyridines) are only partially determined.
The limit of detection (LOD) is usually 0,03 % nitrogen, and the limit of quantification (LOQ) is 0,1 % nitrogen (using 0,25 mol/l sulfuric acid for titration).

Related legislation

Legislation related to this standard

86/278/EEC

Protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture

Legislation 86/278/EEC

Life cycle

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PUBLISHED
EN 16169:2012
90.93 Standard confirmed
Jul 11, 2024