Fertilizantes. Determinación de nitrógeno amoniacal.
Fertilizers - Determination of ammoniacal nitrogen
Engrais - Détermination de l'azote ammoniacal
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65.080 / Fertilizers
CTN 142 - Fertilizers, liming materials and means of growing
CEN/TS 15475:2006 (Identical)
It is cancelled by: UNE-EN 15475:2009
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