When measuring ammonia nitrogen in water

When measuring ammonia nitrogen in water, Total:270 items.

The international standard classification for "When measuring ammonia nitrogen in water" includes: Water quality , Sugar. Sugar products. Starch , Spices and condiments. Food additives , Organic chemicals , Fertilizers , Products of the chemical industry in general , Leather and furs , Non-alcoholic beverages , Water of natural resources .

The Chinese standard classification for "When measuring ammonia nitrogen in water" includes: Analysis methods for toxic substances in water , Sugar refining and sugar products in general , Flavoring materials , Organic chemicals in general , Basic standards and general methods on chemical fertilizers , Basic standards and general methods for dye , Furs and leathers , Beverage products , Environmental pollutant monitoring methods .

Professional Standard - Environmental Protection

HJ 537-2009 Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration
HJ 666-2013 Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ 665-2013 Water quality - Determination of ammonium nitrogen by continuous flow analysis(CFA) and Salicylic acid spectrophotometry
HJ 536-2009 Water quality-Determination of ammonia nitrogen-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

Professional Standard - Urban Construction

CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
CJ/T 3018.6-1993 Leachate - determination of ammoniacal nitrogen - distillation and titration method
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method

Professional Standard - Light Industry

QB/T 5015-2016 The determination of a- amino nitrogen in sugar beet
QB/T 2186-1995 Determination of Nitrogen Content of Hydrolyzed Protein Liquid with Ammonia Electrode Method

Group Standards of the People's Republic of China

T/CIMA 0041-2021 Ammonia Nitrogen Rapid Tester
T/CIET 1080-2025 Method for determining ammonia nitrogen concentration in low-urea reactive dye printing
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method
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
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/ZJATA 0024-2024 Water quality Determination of ammonia nitrogen Pre-made Nessler reagent spectrophotometry

Professional Standard - Agriculture

SC/T 9444-2023 Determination of ammonia-nitrogen in aquaculture water by gas- phase molecular absorption spectrometry method
HJ 195-2023 Water quality―Determination of ammonia nitrogen―Gas-phase molecular absorption spectrometry
ZB X 66038-1987 Amino nitrogen determination method

Professional Standard - Business

SB/T 10318-1999 Analysis of ammoniacal nitrogen

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit(vegetable) juice products-Formol number
GB 3595-1983 Fertilizers-Determination of ammoniacal
GB/T 3595-2000 Fertilizers;Determination of ammoniacal nitrogen content;Titrimetric method after distillation
GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products
GB/T 33392-2016 Leather and fur-Chemical tests-Determination of 4-aminoazobenzene derived from azo colorants
GB/T 3600-2000 Fertilizers;Determination of ammoniacal nitrogen content;Formaldehyde method
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products
GB/T 34532-2017 Coking wastewater - Determination of ammonia nitrogen content - Formaldehyde method

Taiwan Provincial Standard of the People's Republic of China

CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water

Hubei Provincial Standard of the People's Republic of China

DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

Hunan Provincial Standard of the People's Republic of China

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

Ministry of Ecology and Environment of the People's Replublic of China

GB 13580.11-1992 Determination of ammonium in the wet precipitation

Professional Standard - Chemical Industry

HG/T 5251-2017 Textile dyeing and finishing auxiliaries- Determination of ammonia nitrogen

National Health Commission of the People's Republic of China

GB 5009.235-2016 National Food Safety Standard - Determination of amino acid nitrogen in food

National Metrological Verification Regulations of the People's Republic of China

JJG 631-2013 Ammonia-Nitrogen Automatic Analyzers

GCC Standardization Organization

GSO ISO 23695:2024 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
GSO ISO 25475:2021 Fertilizers — Determination of ammoniacal nitrogen
BH GSO ISO 7408:2024 Fertilizers - Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method
GSO ISO 7408:2009 Fertilizers - Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method

Standards Norway

NS 4746:1975 Water analysis - Determination of ammonia-nitrogen
SN-CEN/TS 15560:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
NS-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NS-EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
SN-CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NS-EN 15604:2009 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
SN-CEN/TS 15475:2006 Fertilizers — Determination of ammoniacal nitrogen
NS-EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
NS-EN 15476:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
SN-CEN/TS 15559:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
SN-CEN/TS 15476:2006 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
SN-CEN/TS 15561:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide containing nitrates
NS-EN 15559:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
NS-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
NS-EN 15558:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch
SN-CEN/TS 15558:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch

RO-ASRO

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen

American Society for Testing and Materials (ASTM)

ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
ASTM UOP740-79T Volatile Nitrogen Bases, Including Ammonia, in Solids and Aqueous Solutions

Danish Standards Foundation

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS 241:1988 Water quality. Ammonium-nitrogen. Distillation and titration method
DANSK DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DANSK DS/ISO 25475:2020 Fertilizers – Determination of ammoniacal nitrogen
DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DANSK DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DANSK DS/ISO 15604:2020 Fertilizers – Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
DANSK DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DANSK DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
DANSK DS/EN 15561:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide containing nitrates
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DANSK DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch

BE-NBN

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate

Association Francaise de Normalisation

NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.
NF EN 15561:2009 Fertilizers - Determination of total nitrogen in nitrated calcium cyanamide
NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NF U42-121*NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NF U42-144*NF EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF U42-145*NF EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
NF EN 15560:2009 Fertilizers - Determination of total nitrogen in nitrate-free calcium cyanamide
NF EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
NF U42-148*NF EN 15562:2009 Fertilizers - Determination of cyanamide nitrogen.
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NF EN ISO 11732:2005 Water quality - Determination of ammoniacal nitrogen - Flow analysis method (CFA and FIA) and spectrometric detection
NF EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

Gosstandart of Russia

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST EN 15475-2013 Fertilizers. Determination of ammoniacal nitrogen
GOST EN 15562-2013 Fertilizers. Determination of cyanamide nitrogen
GOST EN 15559-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
GOST EN 15476-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
GOST 26716-1985 Organic fertilizers. Methods for determination of ammonium nitrogen
GOST EN 15558-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch selon
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

International Organization for Standardization (ISO)

ISO 7408:1983 Fertilizers; Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide; Titrimetric method
ISO 25475:2016 Fertilizers - Determination of ammoniacal nitrogen
ISO 11732:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 7150-2:1986/Amd 1:1987 Water quality. Determination of ammonia and nitrogen. Part 2: Automated spectrophotometric method

British Standards Institution (BSI)

BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
PD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
PD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS DD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
PD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2023 Inorganic fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15750:2006 Fertilizers. Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
08/30179332 DC BS EN 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen
PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS DD CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen
BS DD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
08/30179322 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
14/30313907 DC BS ISO 25475. Fertilizers. Determination of ammoniacal nitrogen
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN 15561:2023 Inorganic fertilizers — Determination of total nitrogen in calcium cyanamide containing nitrates
08/30179304 DC BS EN 15476. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
08/30179301 DC BS EN 15475. Fertilizers. Determination of ammoniacal nitrogen
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
08/30179319 DC BS EN 15559. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd

VN-TCVN

TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content

German Institute for Standardization

DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
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).
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen; English version of DIN EN 15475:2009-04
DIN EN ISO 25475 E:2019-06 Fertilizers – Determination of ammoniacal nitrogen (ISO 25475:2016)
DIN EN ISO 15604 E:2019 Draft Document - Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016); German and English version prEN ISO 15604:2019
DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
DIN EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DIN CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen; German version CEN/TS 15562:2007
DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06
DIN EN 15476:2009-04 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
DIN EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; English version of DIN EN 15559:2009-06
DIN EN 15559:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15750 E:2009-04 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
DIN EN 15560 E:2021 Draft Document – Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN EN 15561 E:2021 Draft Document – Fertilizers – Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021

Standard Association of Australia （SAA）

AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)

CZ-CSN

CSN ISO 7408:1993 Fertizers - Determination of ammoniacal nitogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen

Ente Nazionale Italiano di Unificazione

UNI EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNI CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNI CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNI EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNI CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
UNI EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNI EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNI CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNI EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNI EN ISO 11732:2000 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
UNI CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
UNI EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNI EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

Spanish Association for Standardization (UNE)

AENOR UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-CEN/TS 15560:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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
UNE-CEN/TS 15604:2008 EX Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-EN 15560:2024 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
AENOR UNE 77028:2002 Water quality. Determination of ammoniacal nitrogen. Method by distillation and titration or colorimetry.
UNE-CEN/TS 15476:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
AENOR UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE-CEN/TS 15559:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-CEN/TS 15561:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
AENOR UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
AENOR UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
UNE-CEN/TS 15558:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
UNE-EN 15561:2024 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

Lithuanian Standards Office

LST EN 15475-2009 Fertilizers - Determination of ammoniacal nitrogen
LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
LST EN 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 25475:2022 Fertilizers — Determination of ammoniacal nitrogen

European Committee for Standardization (CEN)

EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

Swedish Institute for Standards

SS-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
SS-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
SS-EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SS-EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
SS-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
SS 28101:1992 Nitrogen content of water - Determination with Kjeldahl method after reduction with Devarda's alloy
SS-EN 15562:2023 Inorganic fertilizers - Determination of cyanamide nitrogen

PT-IPQ

E 211-1967 water. Determination of the percentage content of nitrogen and ammonia components (transparent step)

European Committee for Electrotechnical Standardization（CENELEC）

EN 61400-25-1:2017 Wind energy generation systems - Part 25-1: Communications for monitoring and control of wind power plants - Overall description of principles and models
EN 61400-25-1:2007 Fertilizers - Determination of cyanamide nitrogen

SCC

SPC GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products (TEXT OF DOCUMENT IS IN CHINESE)

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 6853:2015 Photography -- Processing waste -- Determination of ammoniacal nitrogen (microdiffusion method)
OS GSO ISO 7408:2009 Fertilizers - Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method

Korean Agency for Technology and Standards (KATS)

KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS M ISO 7408-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide－Titrimetric method
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection

CU-NC

NC 93-01-120-1988 Standards System for Envirorment Protection. Hydrosphere. Determination of Ammo-nial and Organic Nitrogen

PH-BPS

PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen

FI-SFS

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

Bureau of Indian Standards

IS 3025-34-1-2023 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 34 Nitrogen - Section 1 Determination of Various Types of Nitrogen like Ammoniacal, Nitrate, Nitrite and Organic Nitrogen

PL-PKN

PN C04576 ArkusZ11-1973 Water and waste water Tests for nitrogen Determination of organie nitrogen
PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
PN C04576 ArkusZ13-1973 Water and waste water Tests for nilrogen Determination of albuminous nitrogen