Determination of ammonia nitrogen
Determination of ammonia nitrogen, Total:29 items.
The international standard classification for "Determination of ammonia nitrogen" includes: Water quality .
The Chinese standard classification for "Determination of ammonia nitrogen" includes: Analysis methods for toxic substances in water .
Professional Standard - Urban Construction
- CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
Professional Standard - Environmental Protection
- HJ 666-2013 Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
- HJ 535-2009 Water Quality - Determination of Ammonia Nitrogen - Nesslers Reagent Spectrophotometry
- HJ/T 195-2005 Water quality -- Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
- HJ 537-2009 Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration
- HJ 536-2009 Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry
Group Standards of the People's Republic of China
- T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
- T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
工业和信息化部
- HG/T 5251-2017 Textile dyeing and finishing auxiliaries- Determination of ammonia nitrogen
SCC
- DANSK DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
- NS-EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
- DANSK DS/ISO 25475:2020 Fertilizers – Determination of ammoniacal nitrogen
- NS 4746:1975 Water analysis - Determination of ammonia-nitrogen
German Institute for Standardization
- DIN EN 15475:2009-04 Fertilizers - Determination of ammoniacal nitrogen; German version EN 15475:2009 / Note: To be replaced by DIN EN ISO 25475 (2019-06).
Lithuanian Standards Office
- LST EN 15475-2009 Fertilizers - Determination of ammoniacal nitrogen
- LST EN 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
CEN - European Committee for Standardization
- PD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
- PD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
Spanish Association for Standardization (UNE)
- UNE-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
- UNE-CEN/TS 15475:2007 EX Fertilizers - Determination of ammoniacal nitrogen
- UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
GSO
- BH GSO ISO 25475:2022 Fertilizers — Determination of ammoniacal nitrogen
- GSO ISO 25475:2021 Fertilizers — Determination of ammoniacal nitrogen
Danish Standards Foundation
- DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
- DS 224:1975 Water analysis. Determination of ammonia-nitrogen
- DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
Association Francaise de Normalisation
- NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
British Standards Institution (BSI)
- 14/30313907 DC BS ISO 25475. Fertilizers. Determination of ammoniacal nitrogen
RO-ASRO
- STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen
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