What are the national standard methods for measuring total nitrogen?

What are the national standard methods for measuring total nitrogen?, Total:125 items.

The international standard classification for "What are the national standard methods for measuring total nitrogen?" includes: Fertilizers , Chemical reagents .

The Chinese standard classification for "What are the national standard methods for measuring total nitrogen?" includes: Chemical fertilizer and chemical soil conditioner , Basic standards and general methods on chemical fertilizers , Chemical reagent in general .

Hebei Provincial Standard of the People's Republic of China

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

Jilin Provincial Standard of the People's Republic of China

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

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

GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers - Part 1: Total nitrogen content
GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
GB/T 609-1988 Chemical reagent-General method for the determination of total nitrogen
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 2441.1-2008 Determination of urea - Part 1: Total nitrogen content
GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen

Group Standards of the People's Republic of China

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method

Professional Standard - Agriculture

GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
GB/T 609-2018(XG1-2024) Chemical Reagents General Method for Determination of Total Nitrogen

Tianjin Provincial Standard of the People's Republic of China

DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

Professional Standard - Urban Construction

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

未注明发布机构

DIN EN ISO 14362-3 E:2015-06 Determination of certain aromatic amines derived from azo colorants in textiles Part 3: Testing for use of certain azo colorants that may release 4-aminoazobenzene (draft)

RU-GOST R

GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
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 26107-1984 Soils. Methods for determination of total nitrogen
GOST R ISO 24362-3-2016 Textiles. Methods for determination of certain aromatic amines from azo colorants. Part 3. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
GOST 26716-1985 Organic fertilizers. Methods for determination of ammonium nitrogen

American Society for Testing and Materials (ASTM)

ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D1013-93(1998) Standard Test Method for Determining Total Nitrogen in Resins and Plastics
ASTM E29-67(1980)e1 Standard Test Method for Indicating Which Places Of Figures Are To Be Considered Significant In Specified Limiting Values
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-17 Standard Test Method for Carbon Black&x2014Total and External Surface Area by Nitrogen Adsorption
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-03 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption

GOSTR

GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Indonesia Standards

SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
SNI 19-1501-1989 Test methods for total nitrogen oxide in air

British Standards Institution (BSI)

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 EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS EN ISO 14362-3:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
BS EN ISO 14362-1:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants accessible with and without extracting the fibres
BS EN 14362-3:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
BS EN 14362-1:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants accessible with and without extracting the fibres
BS EN 14362-1:2003 Textiles - Methods for the determination of certain aromatic amines derived from azo colorants - Detection of the use of certain azo colorants accessible without extraction
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS EN 14362-2:2003 Textiles - Methods for the determination of certain aromatic amines deriv ed from azo colorants - Detection of the use of certain azo colorants accessible by extracting t he fibres
BS EN 14362-2:2003(2006) Textiles - Methods for the determination of certain aromatic amines deriv ed from azo colorants - Detection of the use of certain azo colorants accessible by extracting t he fibres

European Committee for Standardization (CEN)

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 14362-1:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres
EN 14362-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

German Institute for Standardization

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 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 ISO 14362-3:2017-05 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene (ISO 14362-3:2017); German version EN ISO 14362-3:2017

Association Francaise de Normalisation

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 V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF EN ISO 14362-3:2017 Textiles - Methods for determining certain aromatic amines derived from azo dyes - Part 3: detection of the use of certain azo dyes likely to release 4-aminoazobenzene
NF G08-014-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3 : detection of the use of certain azo colorants, which may release 4-aminoazobenzene.
NF EN ISO 14362-1:2017 Textiles - Methods for determining certain aromatic amines derived from azo dyes - Part 1: detection of the use of certain azo dyes accessible with or without extraction
NF G08-014-3*NF EN ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3 : detection of the use of certain azo colorants, which may release 4-aminoazobenzene

SCC

AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
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
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
AENOR UNE-EN ISO 14362-3:2017 Textiles. Methods for the determination of certain aromatic amines derived from azo dyes. Part 3: Detection of the use of certain azo dyes, which can release 4-aminoazobenzene. (ISO 14362-3:2017).
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 14362-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo dyes - Part 3: Detection of the use of certain azo dyes, which may release 4-aminoazobenzene
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
NS-EN 14362-3:2012 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
UNE-EN 14362-2:2004 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 2: Detection of the use of certain azo colorants accessible by extracting the fibres
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
NS-EN 14362-1:2003 Textiles — Methods for the determination of certain aromatic amines derived from azo colorants — Part 1: Detection of the use of certain azo colorants accessible without extraction
VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
NS-EN 14362-2:2003 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 2: Detection of the use of certain azo colorants accessible by extracting the fibres
DANSK DS/EN ISO 14362-3:2017 Textiles – Methods for determination of certain aromatic amines derived from azo colorants – Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene (ISO 14362-3:2017)

PL-PKN

PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

VN-TCVN

TCVN 5255-2009 Soil quality.Method for the determination of bio-available nitrogen
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 7619-1-2007 Textiles.Methods for the determination of certain aromatic amines derived from azo colorants.Part 1: Detection of the use of certain azo colorants accessible without extraction
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7619-2-2007 Textiles.Methods for the determination of certain aromatic amines derived from azo colorants.Part 2: Detection of the use of certain azo colorants accessible by extracting the fibres
TCVN 4050-1985 Soil.Method for the determination of total organic matter

BE-NBN

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)

Association of Official Analytical Chemists (AOAC)

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

Japanese Industrial Standards Committee (JISC)

JIS L 1940-3:2014 Textiles.Methods for determination of certain aromatic amines derived from azo colorants.Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS L 1940-3:2019 Textiles -- Methods for determination of certain aromatic amines derived from azo colorants -- Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

CZ-CSN

CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content

International Organization for Standardization (ISO)

ISO 24362-3:2014 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method

Korean Agency for Technology and Standards (KATS)

KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS K 0739-2022 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS K 0739-2014 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K 0739-2017 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K ISO 14362-3:2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

IN-BIS

IS 5194-1969 Determination method of nitrogen-Kjeldahl method

GSO

BH GSO ISO 14362-3:2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
GSO ISO 14362-3:2021 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

PH-BPS

PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method

AENOR

UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

YU-JUS

JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method

US-CFR-file

CFR 40-63.144-2014 Protection of Environment. Part63:National emission standards for hazardous air pollutants for source categories. Section63.144:Process wastewater provisions—test methods and procedures for determining applicability and Group 1/Group 2 determinations (det

Danish Standards Foundation

DS/EN 14362-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Lithuanian Standards Office

LST EN 14362-3-2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

KR-KS

KS K 0739-2017(2022) Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K ISO 14362-3-2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

GOST

GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method

Others: