total nitrogen process

total nitrogen process, Total:169 items.

The international standard classification for "total nitrogen process" includes: Industrial process measurement and control , Occupational safety. Industrial hygiene , Rubber , Fertilizers .

The Chinese standard classification for "total nitrogen process" includes: Automatic control and remote control equipment , Labor safety technology in general , Rubber products in general , Soil and fertilizer in general .

Group Standards of the People's Republic of China

T/CSES 45-2021 Technical guide for the process of nitrogen and phosphorus lose control from fruit orchard in plain area of south China
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/GDAEM 4-2022；T/GDCAA 004-2022 Technical Requirements and Testing Methods for Portable Monitoring Instruments for Water Quality Parameters: Chemical Oxygen Demand, Total Phosphorus, Ammonia Nitrogen, and Total Nitrogen
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification
DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

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

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

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 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 12801-2008 General Principles for the Requirements of Safety and Health in Production Process
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
GB/T 9469.1-1988 Process data highway,type C (PROWAY C),for distributed process control systems-Overview
GB 12801-1991 General principles for the requireents of safety and health in production process

Professional Standard - Environmental Protection

HJ 636-2012 Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

Professional Standard - Agriculture

NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content

Professional Standard - Water Conservancy

SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality

Professional Standard - Chemical Industry

HG/T 5669-2019 Textile dyeing and finishing auxiliaries- Determination of total nitrogen

Taiwan Provincial Standard of the People's Republic of China

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water

Sichuan Provincial Standard of the People's Republic of China

DB5106/T 33-2024 Quantitative technical specification for rapid hydrogen, oxygen and nitrogen process in the smelting process of steel for large castings and forgings

Society of Automotive Engineers (SAE)

SAE AMSS6090 Steel Carburizing and Nitriding, Processes For
SAE AMSS6090A Steel Carburizing and Nitriding, Processes For
SAE AMSS6090B Steel Carburizing and Nitriding, Processes for

German Institute for Standardization

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 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 CEN/TS 15750:2008-12 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 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
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 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
DIN EN 16168 E:2011 Draft Document - Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version prEN 16168:2010
DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
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 51732 E:2013-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN 16168 E:2011-01 Draft Document - Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version prEN 16168:2010
DIN ISO 11261:1997-05 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

Austrian Standards

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

Yugoslav Association for Standardization

JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method

Standards Norway

NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate
NS-EN 16168:2012 Sludge, treated biowaste and soil — Determination of total nitrogen using dry combustion method
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 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
SN-CEN/TS 15478:2006 Fertilizers — Determination of total nitrogen in urea
NS-EN 15478:2009 Fertilizers — Determination of total nitrogen in urea
NS-EN ISO 13395:1996 Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen

American Society for Testing and Materials (ASTM)

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 D8001-16(2024) Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM RR-D19-1194 2016 D8083-Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
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 D8083-24 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17(2025) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water

National Standardisation Body (ASRO)

STAS 9029-1986 DRESSED LEATHERS Determination of total nitrogen and hide snbstance

Magyar Szabványügyi Testület

MNOSZ 448-27.lap-1955 Determination of total nitrogen water
MSZ 318/18-1981 Determination of total nitrogen in sludge test

Association Francaise de Normalisation

NF ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF EN ISO 13395:1996 Water quality - Determination of nitrous nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BP X30-331:2003 Protocol for quantification of nitrous oxide emissions in the manufacture of nitric acid
NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen content by dry combustion
NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
BP X30-330:2003 Protocol for quantification of nitrous oxide emissions in the manufacture of adipic acid
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
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

Ente Nazionale Italiano di Unificazione

UNI CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
UNI EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNI 9249:1988 Biomass. Determination of total nitrogen.
UNI 9971:1992 Adhesives. Determination of total nitrogen.
UNI EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
UNI 11759:2019 Determination of Total nitrogen - UV Spectrometry Method after oxidative digestion with sodium persulphate by means of the Flow Injection Analysis (FIA)
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 EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
UNI EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
UNI CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Swedish Institute for Standards

SIS SS IEC 534-1:1983 Industrial-process measurement and control — Industrial-process control valves — General considerations
SS-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
SS-ISO 11261:1996 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
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 15478:2009 Fertilizers - Determination of total nitrogen in urea
SS 28133:1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SS-EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)

Spanish Association for Standardization (UNE)

UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
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 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)
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 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
AENOR UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
UNE-CEN/TS 15478:2007 EX Fertilizers - Determination of total nitrogen in urea
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).

US Federal Contractor Registration (USFCR)

FCR COE ETL 1110-2-239-1978 NITROGEN SUPERSATURATION

Polski Komitet Normalizacyjny (PKN)

PN C04576 ArkusZ14-1973 Water and wastewater Nitrogen compound content testing Calculation of total nitrogen
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

Danish Standards Foundation

DANSK DS/EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
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 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DS/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 15478:2009 Fertilizers - Determination of total nitrogen in urea
DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea

Korean Agency for Technology and Standards (KATS)

KS I ISO 13395-2018 Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
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 I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 5265-1990 Bee products.Determination of total nitrogen content

American Water Works Association (AWWA)

AWWA ACE69119 Nitrogen-Containing DBP Formation during Chlorination and Chloramination
AWWA ACE58236 Dissolved Organic Nitrogen Removal during Coagulation and PAC Treatments
AWWA WQTC69374 Removal of the Amino Acid Fraction of Dissolved Organic Nitrogen during Coagulation
AWWA REUSE52086 Nitrogen Removal During Soil Aquifer Treatment by Anaerobic Ammonium Oxidation (Anammox)

Netherlands Institute for Standardization

NEN 6642-1992 Water-Calculation of total nitrogen content
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

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Czech Standards Institute (UNMZ)

CSN 68 4124-1980 Determination of small mounts of total nitrogen
CSN IEC 955:1992 Process data highway, Type C (PROWAY C), for distributed process control systems
CSN 65 0331-1963 Deterimination oí Nierogea by Kjeldahl's method

Association of Official Analytical Chemists (AOAC)

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods
AOAC Official Method 2001.14 Determination of total nitrogen in cheese

British Standards Institution (BSI)

BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
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 15478:2006 Fertilizers - Determination of total nitrogen in urea
BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
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 8887-1:2006 Design for manufacture, assembly, disassembly and end-of-life processing (MADE) - General concepts, process and requirements
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
10/30147466 DC BS EN 16168. Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
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 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method

Indonesia Standards

SNI 4146:2013 Cara uji kadar nitrogen total sedimen dengan distilasi Kjeldahl secara titrasi
SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
SNI 06-6323-2000 Determination of total nitrogen content in peat

Lithuanian Standards Office

LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
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 ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea

U.S. Army Corps of Engineers Headquarters

COE ETL 1110-2-239-1978 NITROGEN SUPERSATURATION

Portuguese Institute of Quality

NP 3646-1987 fertilizer. Measurement of total nitrogen content

South African Bureau of Standard

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)

Gosstandart of Russia

GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST R 58596-2019 Soils. Methods for determination of total nitrogen
GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
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 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 26107-1984 Soils. Methods for determination of total nitrogen

International Organization for Standardization (ISO)

ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 3099:1974 Oilseed residues — Determination of total nitrogen content

Instrument Society of America (ISA)

ISA FLDBUS PROC CNTRL ENG OPER MAINT-2002 Fieldbuses for Process Control: Engineering, Operation, and Maintenance

Standard Association of Australia （SAA）

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

Engineering Equipment and Materials Users Association （EEMUA)

PUB NO 189-1997 A Guide to Fieldbus Application for the Process Industry
EEMUA PUB NO 189-1997 A GUIDE TO FIELDBUS APPLICATION for the PROCESS INDUSTRY

European Committee for Standardization (CEN)

EN 15478:2009 Fertilizers - Determination of total nitrogen in urea

Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e. V. (DWA)

DWA-M 269:2008-03 Process measuring instruments for nitrogen, phosphorus and carbon in wastewater treatment plants

GCC Standardization Organization

GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)