Nitrate and ammonia nitrogen
Nitrate and ammonia nitrogen, Total:4 items.
The international standard classification for "Nitrate and ammonia nitrogen" includes: .
The Chinese standard classification for "Nitrate and ammonia nitrogen" includes: .
Association Francaise de Normalisation
- NF EN 15558:2009 Fertilizers - Dosage of nitrate and ammonia nitrogen according to Ulsch
- NF EN 15559:2009 Fertilizers - Dosage of nitrate and ammonia nitrogen according to Arnd
- NF EN 15476:2009 Fertilizers - Determination of nitrate and ammonia nitrogen according to Devarda
- XP CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable nitrate and ammoniacal nitrogen
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