Published
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).
Directives related to this standards.
Protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture
PUBLISHED
SSH EN 16169:2012
60.60
Standard published
Apr 7, 2015
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