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EVS-EN 16169:2012

Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen

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Kehtiv alates 03.10.2012
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EN 16169:2012
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Nimetus
03.10.2012
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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).
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EVS-EN 16174:2012

Sludge, treated biowaste and soil - Digestion of aqua regia soluble fractions of elements
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CEN/TS 16170:2012

Sludge, treated biowaste and soil - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES)
Kehtetu alates 01.11.2016
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CEN/TS 16177:2012

Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
Uusim versioon Kehtiv alates 05.03.2012