total nitrogen oxides

total nitrogen oxides, Total:204 items.

The international standard classification for "total nitrogen oxides" includes: Cereals, pulses and derived products , Other non-ferrous metals and their alloys , Oxides , Metalliferous minerals , Gases for industrial application , Bases , Refractories , Materials for aluminium production , Tobacco, tobacco products and related equipment , Ambient atmospheres , Ferroalloys .

The Chinese standard classification for "total nitrogen oxides" includes: Cereal crop and forage crop in general , Soil and fertilizer in general , Rare metals and their alloys , Rare metals and their alloys analysis method , Heavy metal ore , Industrial gas and chemical gas , Light metals and their alloys analysis method , Steel and iron alloy analysis method , Other refractory material , Chemical Measurement , Carbon material , Tobacco , Environmental monitoring instrument and its complete equipment , Special refractory .

Chongqing Provincial Standard of the People's Republic of China

DB50/T 833-2017 Determination of nitrogen oxides in ambient air (nitrogen monoxide and nitrogen dioxide) by chemiluminescence

Professional Standard - Environmental Protection

HJ 1043-2019 Ambient air—Automatic determination of nitrogen oxides—Chemiluminescence method
HJ 479-2009(XG1-2018) Determination of nitrogen oxides (nitrogen monoxide and nitrogen dioxide) in ambient air Spectrophotometric method of naphthalene ethylenediamine hydrochloride "No. 1 Amendment"
HJ 479-2009 Ambient air - Determination of nitrogen oxides - N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometric method

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

GB/T 28729-2025 Nitrous oxide
GB/T 28729-2012 Nitrous oxide
GB/T 38386-2019 Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy
GB/T 11843-1989 Uranium dioxide powder and pellets. Determination of nitrogen. Spectrophotometric method
SPC GB/T 37186-2018 Gas analysis -- Determination of sulfur dioxide and nitrogen oxides -- Ultraviolet differential optical absorption spectroscopy (TEXT OF DOCUMENT IS IN CHINESE)
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 6610.4-2003 Chemical analysis methods of aluminium hydroxide Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 42721-2023 Electronic specialty gas―Nitric oxide
GB 6260-1986 Determination of rare earth oxide content in soil--Chlorophosphonazo-p-hippuric acid photometric method
GB/T 11198.11-1989 Sulphuric acid for industrial use--Determination of oxides of nitrogen-2.4-xylenol spectrophotometric method
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 43304-2023 Oxynitride cyan phosphors for white LEDs
GB/T 6609.4-1986 Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content
GB/T 8762.2-1988 Yttrium oxide and europium oxide of phosphor grade--Determination of calcium oxide content--N2O-C2H2 flame atomic absorption spectrophotometric method
GB/T 32329-2015 Test method for oxidation resistance of oxynitride materials―Non-isothermal oxidation
GB/T 7315.3-1987 Methods for chamical analysis of vanadium pentixide--The ortho-phenanthroline spectrophotometric method forthe determination of iron content
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB 11843-1989 Determination of Nitrogen in Uranium Dioxide Powder and Pellets Spectrophotometric Method

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

JJG 801-2004 Verification Regulation of Chemiluminescent NO/NOx Analyzers
JJG 801-1993 Chemiluminescent No/NOX Analyzer

Professional Standard - Agriculture

NY/T 30-1986 Determination of rare earth oxide content in soil - Chlorophonazo - P - Hippuric acid photometric method

Professional Standard - Non-ferrous Metal

YS/T 534.4-2006 Chemical analysis methods of aluminium hydroxide. Determination of ferric oxide content. Orthophenanthroline photometric method
YS/T 575.14-2006 Methods for chemical analysis of bauxite -- Determination the total content of rare earth oxide -- Tribromo-arsenazo photometric method
YS/T 575.14-2007 Methods for chemical analysis of bauxite Part 14:Determination the total content of rare earth oxide Tribromo-arsenazo photometric method

Taiwan Provincial Standard of the People's Republic of China

CNS 8441-1982 Method for Determination of Iron Oxide in Feldspar (O - Phenanthroline Absorptiometric Method)
CNS 9423-1982 Method for Determining Iron Oxide in Dolomite (O - Phenanthroline Absorptiometric Method)
CNS 13199-1993 Method of Test for Nitrogen Oxides in Ambient Air (Chemiluminescence Method)

Group Standards of the People's Republic of China

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/CCGA 30002-2019 Ultra pure nitrous oxide

Professional Standard - Education

JY/T 0435-2011 Nitrogen dioxide ball

Professional Standard - Chemical Industry

HG/T 5898-2022 Mixed gas used for laser welding-Carbon dioxide, nitrogen in helium
HG 2685-1995 Medical Nitrous Oxide

National Metrological Technical Specifications of the People's Republic of China

JJF 1361-2012 Program on Pattern Evaluation of Chemiluminescent NO/NOx Analyzers

Hubei Provincial Standard of the People's Republic of China

DB42/T 551-2009 Stationary source emissions of sulfur dioxide and nitrogen oxide continuous monitoring-differential optical absorption spectroscopy

Professional Standard - Tobacco

YC/T 287-2009 Cigarettes—Determination of nitrogen oxides in cigarette mainstream smoke—Chemiluminescence method

Shandong Provincial Standard of the People's Republic of China

DB37/T 3784-2019 Chemiluminescence method for the determination of nitrogen oxides in exhaust gas from stationary pollution sources

Military Standard of the People's Republic of China-General Armament Department

GJB 1673A-2021 Specifications for dinitrogen tetroxide
GJB 1673-1993 Specifications for dinitrogen tetroxide

Professional Standard - Coal

MT 272-1994 Detector Tube for Nitrogen Oxide
MT/T 272-1994 Nitrogen oxide detection tube

Professional Standard-Ships

CB 1019.3-1982 Detection Tube for Nitrogen Oxide

Professional Standard - Ferrous Metallurgy

YB/T 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of iron oxide content. o-Phenanthroline photometric method
YB/T 5330-2006 Methods for chemical analysis of vanadium pentoxide The ortho-phenanthroline spectrophotometric method for the determination iron content
YB/T 5330-2009 Vanadium pentoxid - Determination of iron content-The ortho-phenanthroline spectrophotome method

Czech Standards Institute (UNMZ)

CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides

Association of German Mechanical Engineers

VDI 2456 Blatt 6-1978 Gaseous emission measurement; determination of the sum of nitrogen monoxide and nitrogen dioxide as nitrogen monoxide by use of a converter
VDI 2456-2003 Stationary source emissions - Determination of the total of nitrogen monoxide and nitrogen dioxide - Ion chromatography method
VDI 2456 Blatt 2-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; acidimetric titration method
VDI 2453 Blatt 2-1974 Gaseous pollution measurement; measurement of nitrogen monoxide; Oxidation to nitrogen dioxide and measuring by photometric method (Saltzman)
VDI 2456 Blatt 1-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; phenoldisulfonic acid method
VDI 2456 Blatt 10-1990 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method
VDI 2456 Blatt 10-1989 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method
VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method

British Standards Institution (BSI)

BS EN 14211:2024 Ambient air. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS DD ENV 12260:1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN 14211:2012 Ambient air. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
22/30450993 DC BS EN 14211. Ambient air. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS EN 12260:2003(2008)*BS 6068-2.83:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS EN 12260-2003(2008)*BS 6068-2.83:2003 Water quality — Determination of nitrogen — Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
10/30210747 DC BS EN 14211. Ambient air quality. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides
BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN _b ) and dissolved bound nitrogen (DN _b ) after high temperature catalytic oxidative combustion
BS EN ISO 20236:2024 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
BS EN ISO 21068-3:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon-Determination of nitrogen, oxygen and metallic and oxidic constituents
23/30464382 DC BS EN ISO 20236. Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion

Polski Komitet Normalizacyjny (PKN)

PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)
PN Z04092-08-1989 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen dioxide in ambient air (imision) by spectrophotometric method with passive sampling

Indonesia Standards

SNI 19-1501-1989 Test methods for total nitrogen oxide in air
SNI 19-1498-1989 Continuous NO and NO2 test apparatus in exhaust-gases
SNI 06-0043-2002 Nitrous oksida untuk medis

International Organization for Standardization (ISO)

ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
ISO/TR 11905-2:1997 Water quality - Determination of nitrogen - Part 2: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
ISO 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
ISO 20236:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative co
ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
ISO 7996:1985 Ambient air; Determination of the mass concentration of nitrogen oxides; Chemiluminescence method

Ente Nazionale Italiano di Unificazione

UNI EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
UNI ENV 12260:1998 Water quality - Determination of nitrogen - Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection.
UNI EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNI EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNI EN 14211:2025 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
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 ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
UNI 11484:2013 Photocatalysis - Determination of photocatalytic activity by the tangential continuous flow method - Nitric Oxide abatement
UNI 11247:2007 Determination of the catalytic degradation of nitrogen oxides in air by photocatalytic inorganic materials
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

Korean Agency for Technology and Standards (KATS)

KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS I ISO 11905-2:2008 Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS M 1047-2009 Nitrogen monoxide and nitrogen dioxide(standard reference materials)
KS M 1047-2019(2024) Nitrogen monoxide and nitrogen dioxide(standard reference materials)
KS M 1047-2024 Nitrogen monoxide and nitrogen dioxide(standard reference materials)
KS M 1047-2019 Nitrogen monoxide and nitrogen dioxide(standard reference materials)
KS L 1676-2023 Test method for the fixing performance of nitrogen oxides and sulfur oxides on the surface of photocatalytic construction materials
KS I ISO 7996-2006(2016) Ambient air－Determination of the mass concentration of nitrogen oxides(Chemiluminescence method)
KS I ISO 7996:2021 Ambient air — Determination of the mass concentration of nitrogen oxides — Chemiluminescence method
KS I ISO 7996:2006 Ambient air－Determination of the mass concentration of nitrogen oxides(Chemiluminescence method)
KS I ISO 7996-2021 Ambient air — Determination of the mass concentration of nitrogen oxides — Chemiluminescence method

European Committee for Standardization (CEN)

DD ENV 12 260-1996 Water Quality - Determination of Nitrogen - Determination of Bound Nitrogen, After Combustion and Oxidation to Nitrogen Dioxide, Using Chemiluminescence Detection
EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
prEN 14211 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
prEN ISO 20236 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/DIS 20236:2023)
prEN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

Swedish Institute for Standards

SS-EN 14211:2024 Ambient air — Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
SIS SMS 694-1968 Gas cylinders tor atrbort ilioxirle and nitrous oxide
SS-ISO 7996:1992 Ambient air - Determination of the mass concentration of nitrogen oxides - Chemiluminescence method

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

TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 6138-1996 Ambient air.Determination of the mass concentration of nitrogen oxides.Chemiluminescence method

Standards Norway

NS-EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
NS-EN 14211:2005 Ambient air quality — Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate
NS-EN 12260:2003 Water quality — Determination of nitrogen — Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
NS-EN ISO 20236:2021 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

German Institute for Standardization

DIN EN 14211:2022-11 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version prEN 14211:2022 / Note: Date of issue 2022-09-30*Intended as replacement for DIN EN 14211 ...
DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence
DIN EN 14211:2012-11 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version EN 14211:2012 / Note: To be replaced by DIN EN 14211 (2022-11).
DIN ISO 7996:1990-02 Determination of nitrogen oxides in the atmosphere - Chemiluminescence method
DIN EN 14211 E:2022-11 Draft Document - Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version prEN 14211:2022
DIN EN 14211:2005-06 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DIN EN ISO 21068-2 E:2023-07 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and...
DIN EN 14211 E:2003-05 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DIN EN 14211 E:2010 Draft Document - Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version prEN 14211:2010
DIN EN ISO 20236:2021-09 Draft Document - Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO 202...
DIN EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version EN 14211:2012
DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
DIN EN ISO 20236 E:2023-10 Draft Document - Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS...
DIN EN ISO 20236:2025-05 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)
DIN 19279 E:2016-11 Photocatalytic activity of surfaces - Determination of the photocatalytic deposition velocity of nitrogen monoxide at photocatalytically active surfaces
DIN 19279:2018 Photocatalytic activity of surfaces - Determination of the photocatalytic deposition velocity of nitrogen monoxide at photocatalytically active surfaces
DIN 19279:2018-01 Photocatalytic activity of surfaces - Determination of the photocatalytic deposition velocity of nitrogen monoxide at photocatalytically active surfaces
DIN EN ISO 21068-3 E:2023-07 Draft Document - Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/DIS 21068-3:202...

Association Francaise de Normalisation

NF EN 14211:2012 Ambient air - Standard method for measuring the concentration of nitrogen dioxide and nitric oxide by chemiluminescence
NF X43-061*NF EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence.
NF EN 14211:2024 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
NF X43-061*NF EN 14211:2024 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
NF X43-018:1983 Air pollution. Measurement of nitrogen oxides by chemiluminescence.
NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.
NF EN ISO 20236:2024 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (COD), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after catalytic oxidative combustion at high temperature
NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate

Danish Standards Foundation

DANSK DS/EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DS/EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DANSK DS/EN 12260:2003 Water quality – Determination of nitrogen – Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
DS/EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
DANSK DS/ISO 20236:2018 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
DANSK DS/EN ISO 20236:2021 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
DANSK DS/ISO 21793:2020 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
DANSK DS/ISO 21068-3:2024 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

Yugoslav Association for Standardization

JUS H.G8.415-1991 Pure chemicals Sodium hydroxide DETERMINATION OF TOTAL NITROGEN CONTENT Colorimetric method
JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method
JUS H.B8.636-1981 Sulphuric acid for industrial u se. Determination of oxides of nitrogen. 2,4-xyleno/ spectrophotometric method

Spanish Association for Standardization (UNE)

UNE-EN 14211:2013 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNE-EN 14211:2006 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNE-EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
UNE 77212:1993 AMBIENT AIR. DETERMINATION OF THE MASS CONCENTRATION OF NITROGEN OXIDES. CHEMILUMINESCENCE METHOD.

Asociación Española de Normalización (AENOR)

AENOR UNE-EN 14211:2025 Environmental air. Standardized method for measuring the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence.

Lithuanian Standards Office

LST EN 14211-2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
LST EN 12260-2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides

Japanese Industrial Standards Committee (JISC)

JIS K 0516:1995 Nitrogen monoxide and nitrogen dioxide (Standard reference materials)
JIS D 1030:1998 Automobiles -- Analytical procedure for measurement of carbon monoxide, carbon dioxide, total hydrocarbons and oxides of nitrogen in exhaust gas
JIS K 8826:2004 Sodium hydroxide for nitrogen compounds analysis

Standard Association of Australia （SAA）

AS 2447:1981 Ambient air - Determination of oxides of nitrogen- Chemiluminescent method

Canadian Standards Association (CSA)

CSA Z223.24-M1983-1983(R1999) Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air
CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

Magyar Szabványügyi Testület

MSZ KGST 455-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ KGST 451-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ KGST 978-1978 Content and content definition model of sodium oxide nitrogen (Na2 O) and potassium nitrogen oxide (K20) in fireproof raw material products containing magnesium oxide and nitrogen oxide substances

Malaysia Standards

MS 172-1973 Nitrous Oxide Specification

American Society for Testing and Materials (ASTM)

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 UOP981-11 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection
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 UOP981-14 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection

US Federal Contractor Registration (USFCR)

FCR 40 CFR PART 97-2013 FEDERAL NOX BUDGET TRADING PROGRAM AND CAIR NOX AND SO2 TRADING PROGRAMS
FCR 40 CFR PART 97-2014 FEDERAL NOX BUDGET TRADING PROGRAM AND CAIR NOX AND SO2 TRADING PROGRAMS

GB-REG

REG 40 CFR PART 97-2011 FEDERAL NOX BUDGET TRADING PROGRAM AND CAIR NOX AND SO2 TRADING PROGRAMS

GCC Standardization Organization

OS GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
GSO ISO 7996:2017 Ambient air -- Determination of the mass concentration of nitrogen oxides -- Chemiluminescence method

Thai Industrial Standards Institute (TISI)

TIS 30-2012 Medical nitrous oxide

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...

Universal Oil Products Company (UOP)

UOP 981-2014 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection

U.S. Environmental Protection Agency (U.S. EPA)

EPA 40 CFR PART 97-2010 FEDERAL NOX BUDGET TRADING PROGRAM AND CAIR NOX AND SO2 TRADING PROGRAMS

Austrian Standards

OENORM EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 7996:2017 Ambient air -- Determination of the mass concentration of nitrogen oxides -- Chemiluminescence method

Netherlands Institute for Standardization

NEN 2045-1981 Air quality - The calibration of measuring methods for nitrogen monoxide, nitrogen dioxide and ozone by means of gas-phase titration

U.S. Air Force

AIR FORCE MIL-PRF-26539 F VALID NOTICE 1-2011 Propellants, Dinitrogen Tetroxide