Determination method of ammonia nitrogen and

Determination method of ammonia nitrogen and, Total:235 items.

The international standard classification for "Determination method of ammonia nitrogen and" includes: Spices and condiments. Food additives , Water quality , Non-alcoholic beverages , Products of the chemical industry in general , Fertilizers , Textiles in general , Coals , Starch and derived products , Organic chemicals , Other non-ferrous metals and their alloys , Sugar. Sugar products. Starch .

The Chinese standard classification for "Determination method of ammonia nitrogen and" includes: Flavoring materials , Analysis methods for toxic substances in water , Analysis methods for exhaust emission pollutants , Beverage products , Basic standards and general methods for dye , Basic standards and general methods on chemical fertilizers , Photographic-grade chemicals , Basic standards and general methods , Coal analysis methods , Basic standards and general methods , Organic chemicals in general , Rare metals and their alloys analysis method , Sugar refining and sugar products in general .

Professional Standard - Business

SB/T 10318-1999 Analysis of ammoniacal nitrogen

Professional Standard - Agriculture

HJ 195-2023 Water quality―Determination of ammonia nitrogen―Gas-phase molecular absorption spectrometry
GB 3595-1983 Fertilizers-Determination of ammoniacal
ZB X 66038-1987 Amino nitrogen determination method
JAP-031 Azaphenanthridine detection method

Group Standards of the People's Republic of China

T/CIMA 0041-2021 Ammonia Nitrogen Rapid Tester
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

Professional Standard - Urban Construction

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

Professional Standard - Environmental Protection

HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
HJ 536-2009 Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry
HJ 537-2009 Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration
HJ 101-2019 Technical specifications and test procedures for water quality on-line automatic monitoring equipment of ammonia
HJ/T 64.3-2001 Stationary source emission -- Determination of cadmium p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
HJ/T 195-2005 Water quality -- Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 535-2009 Water Quality - Determination of Ammonia Nitrogen - Nesslers Reagent Spectrophotometry

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

GB/T 3600-2000 Fertilizers;Determination of ammoniacal nitrogen content;Formaldehyde method
GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit(vegetable) juice products-Formol number
GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products-Kjeldahl spectrophotometric method
GB/T 19227-2008 Determination of nitrogen in coal
GB/T 23344-2009 Textiles - Determination of 4-aminoazobenzene
GB/T 3595-2000 Fertilizers;Determination of ammoniacal nitrogen content;Titrimetric method after distillation
GB/T 23344-2009(英文版) Textiles-Determination of 4 aminoazobenzene
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34532-2017 Coking wastewater - Determination of ammonia nitrogen content - Formaldehyde method
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water―Part 5:Determination of ammonia nitrogen content

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products

Professional Standard - Light Industry

QB/T 5015-2016 The determination of a- amino nitrogen in sugar beet

国家质量监督检验检疫总局

SN/T 4675.23-2016 Determination of ammonium nitrogen in wine and grape juice for export-Continuous flow analysis(CFA)method

工业和信息化部

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

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

PH-BPS

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

RU-GOST R

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 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST EN 15475-2013 Fertilizers. Determination of ammoniacal nitrogen
GOST 26716-1985 Organic fertilizers. Methods for determination of ammonium nitrogen
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea 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 EN 15562-2013 Fertilizers. Determination of cyanamide 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
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene

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

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
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent

SCC

AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
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 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 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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
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
DANSK DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NS-EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
UNE-CEN/TS 15475:2007 EX Fertilizers - Determination of ammoniacal nitrogen
DANSK DS/ISO 25475:2020 Fertilizers – Determination of ammoniacal nitrogen
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
SN-CEN/TS 15559:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
AENOR UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
SN-CEN/TS 15475:2006 Fertilizers — Determination of ammoniacal nitrogen
NS 4746:1975 Water analysis - Determination of ammonia-nitrogen
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
UNE-CEN/TS 15558:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DANSK DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
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
SPC GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products (TEXT OF DOCUMENT IS IN CHINESE)
AENOR UNE 77028:2002 Water quality. Determination of ammoniacal nitrogen. Method by distillation and titration or colorimetry.
08/30179316 DC BS EN 15558. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch
BS 5697-1:1979 Methods of test for starch and its derivatives and by-products. Determination of nitrogen conteny by the Kjeldahl method ( titrimetric method)
08/30179301 DC BS EN 15475. Fertilizers. Determination of ammoniacal nitrogen
NS-EN 15476:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-CEN/TS 15476:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
AENOR UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-CEN/TS 15559:2007 EX 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
DANSK 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
DIN EN ISO 25475 E:2019 Draft Document - Fertilizers - Determination of ammoniacal nitrogen (ISO 25475:2016); German and English version prEN ISO 25475:2019
AS 1871.10:1976 List of methods for examination of waters Nitrogen (ammonia)
NS-EN 15559:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd

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 C1494-13 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder

German Institute for Standardization

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 15475:2009-04 Fertilizers - Determination of ammoniacal nitrogen; German version EN 15475:2009 / Note: To be replaced by DIN EN ISO 25475 (2019-06).
DIN EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen; English version of DIN EN 15475:2009-04
DIN CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen; German version CEN/TS 15562:2007
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 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; English version of DIN EN 15559:2009-06
DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06
DIN EN 15750:2010 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 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
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 CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
DIN EN 15559:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
DIN EN 15476:2009-04 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
DIN EN 13717:2003-03 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007

European Committee for Standardization (CEN)

EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
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
EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

British Standards Institution (BSI)

BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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)
BS EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
BS DD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
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 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS DD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS DD CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen
BS DD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal 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
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 ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
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
14/30313907 DC BS ISO 25475. Fertilizers. Determination of ammoniacal nitrogen
BS ISO 6853:2001 Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method)
BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
BS ISO 937:2023 Meat and meat products. Determination of nitrogen content. Reference method
BS 4651-2:1987 Ammonia solution. Method for determination of ammonia content
BS ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)

Lithuanian Standards Office

LST EN 15475-2009 Fertilizers - Determination of ammoniacal nitrogen
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 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd

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
PD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd

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-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

GSO

BH GSO ISO 25475:2022 Fertilizers — Determination of ammoniacal nitrogen
GSO ISO 25475:2021 Fertilizers — Determination of ammoniacal nitrogen
GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)
OS GSO ISO 3332:2007 Ammonium sulphate for industrial use – Determination of ammoniacal nitrogen content – Titrimetric method after distillation
OS GSO ISO 6853:2015 Photography -- Processing waste -- Determination of ammoniacal nitrogen (microdiffusion method)

Danish Standards Foundation

DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
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 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DS 241:1988 Water quality. Ammonium-nitrogen. Distillation and titration method
DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd

Association Francaise de Normalisation

NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NF U42-121*NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NF U42-144*NF EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
NF U42-145*NF EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
NF U42-148*NF EN 15562:2009 Fertilizers - Determination of cyanamide nitrogen.
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 U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
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 T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
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 T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.

Korean Agency for Technology and Standards (KATS)

KS D 2573-2020 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2573-1995 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2530-2016 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2573-2015 Methods for determination of nitrogen in zirconium and zirconium alloys
KS M ISO 5314-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 5314:2013 Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 5314-2013 Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 5314:2007 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS M ISO 6851-2022 Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS A ISO 9006-2008(2018) Uranium metal and uranium dioxide powder and pellets－Determination of nitrogen content－Method using ammonia-sensing electrode
KS M ISO 3332-2022 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS H ISO 3188-2023 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method

IN-BIS

IS 5194-1969 Determination method of nitrogen-Kjeldahl method

International Organization for Standardization (ISO)

ISO 25475:2016 Fertilizers - Determination of ammoniacal nitrogen
ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO/FDIS 937 Meat and meat products — Determination of nitrogen content — Reference method
ISO/DIS 937 Meat and meat products — Determination of nitrogen content — Reference method
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 11732:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
ISO 6853:2001 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
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

Japanese Industrial Standards Committee (JISC)

JIS H 1653:1991 Methods for determination of nitrogen in zirconium and zirconium alloys
JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS H 1685:2000 Method for determination of nitrogen in tantalum

YU-JUS

JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method

GOSTR

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

European Committee for Electrotechnical Standardization（CENELEC）

EN 61400-25-1:2007 Fertilizers - Determination of cyanamide nitrogen
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

CZ-CSN

CSN 65 4835-1983 Minerál fertilizers. Determination of ammoniacal nitrogen content by distillating method
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of nitrogen

RO-ASRO

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
SR ISO 5314:1981 Fertilizers. Determination of ammoniaca! nitrogen content Titrimetric method after distillation
STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen

NL-NEN

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

Indonesia Standards

SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method

PT-IPQ

NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

KR-KS

KS A ISO 9006-2008(2023) Uranium metal and uranium dioxide powder and pellets－Determination of nitrogen content－Method using ammonia-sensing electrode
KS M ISO 3332-2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

HU-MSZT

MSZ 21853/14-1981 Inspection of air pollution sources, determination of ammonia nitrogen emissions, using acid-base determination method

AR-IRAM

IRAM 14 006-1958 Determination of nitrogen in milk and dairy products