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sklademVydáno: 1995
ISO 11261:1995
ISO 11261:1995-Soil quality — Determination of total nitrogen — Modified Kjeldahl method
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Označení normy: | ISO 11261:1995 |
Počet stran: | 4 |
Vydání: | 1 |
Vydáno: | 1995 |
DESCRIPTION
ISO 11261:1995
Specifies a method for the determination of the total nitrogen (ammonium-N, nitrate-N, nitrite-N and organic N) content of a soil. Nitrogen in N-N-linkages, N-O-linkages and some heterocyclics (especially pyridine) is only partially determined. Applicable to all types of soils.