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How to Measure Nitrogen

How to Measure Nitrogen, Total:225 items.

In the international standard classification, How to Measure Nitrogen involves: Air quality, Ferroalloys, Products of the chemical industry, Analytical chemistry, Fuels, Soil quality. Pedology, Metrology and measurement in general, Testing of metals, Ferrous metals, Non-ferrous metals, Water quality, Inorganic chemicals, Particle size analysis. Sieving, Paint ingredients, Alarm and warning systems, Animal feeding stuffs, Petroleum products in general, Powder metallurgy, Nuclear energy engineering, Fertilizers, Vocabularies.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, How to Measure Nitrogen

GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 13906-1992 Air quality.Determination of nitrogen oxides
GB/T 24583.2-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.Thermal conductimetric method after fusion in a current of inert gas
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton inoxygen. Gas chromatographic method
GB/T 8969-1988 Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method
GB 8969-1988 Air Quality Nitrogen Oxides Determination Naphthaleneethylenediamine Hydrochloride Colorimetric Method
GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 5686.5-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of carbon content. The infrared absorption method, the gasometric method, the gravimetric and the coulometric method

YU-JUS, How to Measure Nitrogen

JUS H.F8.131-1986 Gases. Determination of nitrogen content. Indirect method
JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method
JUS H.B8.701-1997 Basic petroleum products - Determination of hydrogen, oagen and nitrogen content in Cg and Kghter hydrocarbon products - Gas chromatographic method

German Institute for Standardization, How to Measure Nitrogen

DIN 33962:1997 Measurement of gaseous emissions - Automatic measurement systems for single measurements of nitrogen monooxide and nitrogen dioxide
DIN 12702:1978 Laboratory glassware; volumetric glassware for gas analysis, gas burettes, azotometers, eudiometers, nitrometers
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
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 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 51864:1986-09 Testing of gaseous fuels and other gases; determination of nitrogen monoxide content; Saltzman method
DIN EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997); English version of DIN EN ISO 10720:2007-06
DIN EN ISO 10720:2007-06 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997); German version EN ISO 10720:2007
DIN 51864:1986 Testing of gaseous fuels and other gases; determination of nitrogen monoxide content; Saltzman method
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 51913:2013 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
DIN EN ISO 15351:2010-08 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999); German version EN ISO 15351:2010
DIN EN 50545-1:2017 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
DIN EN ISO 20764:2004-02 Petroleum and related products - Preparation of a test portion of high-boiling liquids for the determination of water content - Nitrogen purge method (ISO 20764:2003); German version EN ISO 20764:2003
DIN EN 50545-1:2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides; German ver
DIN 50450-9:2003 Testing of materials for semiconductor technology - Determination of impurities in carrier gases and dopant gases - Part 9: Determination of oxygen, nitrogen, carbonmonoxide, carbondioxide, hydrogen and C<(Index)1>-C<(Index)3>-hydrocarbons in gaseous hydr

NL-NEN, How to Measure Nitrogen

NEN 2045-1981 Air quality - The calibration of measuring methods for nitrogen monoxide, nitrogen dioxide and ozone by means of gas-phase titration
NEN 2044-1985 Air quahty - txhaust gases Wet chemical determination of nitrogen oxides content
NEN 2039-1979 Air quality - Smoke and exhaust gases - Determination of nitrogen monoxide by chemiluminescence
NEN 2041-1982 Air quality — Ambient air — Photometric determination of the nitrogen monoxide content (oxidation/Saltzman method)
NEN 2040-1979 Ambient air - Photometric determination of nitrogen dioxide content (Saltzman method)

Indonesia Standards, How to Measure Nitrogen

SNI 19-1501-1989 Test methods for total nitrogen oxide in air
SNI 19-1432-1989 Exhaust-gases, Test methods for nitrogen dioxide content
SNI 19-1502-1989 Test method for nitrogen oxides content of air in working area
SNI 19-7119.2-2005 Ambient atmospheres - Part 2: Test methods of nitrogen dioxide (NO2) content by Griess Saltzman using spectrophotometers

国家市场监督管理总局、中国国家标准化管理委员会, How to Measure Nitrogen

GB/T 24583.2-2019 Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas

工业和信息化部, How to Measure Nitrogen

YB/T 4529-2016 Determination of nitrogen content in manganese iron nitride by inert gas melting thermal conductivity method
YB/T 4566.1-2016 Determination of nitrogen content in vanadium iron nitride by inert gas melting thermal conductivity method
YB/T 4528-2016 Determination of nitrogen content in ferrochromium nitride and high nitrogen ferrochrome by inert gas melting thermal conductivity method
YB/T 4565-2016 Determination of titanium iron nitrogen content by inert gas melting thermal conductivity method
YB/T 4779-2019 Determination of nitrogen content in vanadium-nitrogen alloys by pulse heating inert gas melting-time-of-flight mass spectrometry (conventional method)
YB/T 4908.6-2021 Determination of oxygen and nitrogen content in vanadium-aluminum alloys by inert gas fusion infrared absorption method and thermal conductivity method
YS/T 1075.11-2022 Methods for chemical analysis of vanadium-aluminum and molybdenum-aluminum master alloys Part 11: Determination of nitrogen content Inert gas melting thermal conductivity method

NO-SN, How to Measure Nitrogen

NS 4855-1981 Air quality - Determination of nitrogendioxide in ambient air
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

未注明发布机构, How to Measure Nitrogen

DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence
BS ISO 6768:1998(1999) Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess - Saltzman method

Japanese Industrial Standards Committee (JISC), How to Measure Nitrogen

JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS K 0227:1984 Analytical method for trace nitrogen oxides in diluent gas and zero gas
JIS B 7982:2002 Automated measuring systems and analyzers for nitrogen oxides in flue gas
JIS B 7992:2002 Automated measuring systems for oxides of nitrogen in flue gas using non-extractive methods
JIS D 1030:1998 Automobiles -- Analytical procedure for measurement of carbon monoxide, carbon dioxide, total hydrocarbons and oxides of nitrogen in exhaust gas

Association of German Mechanical Engineers, How to Measure Nitrogen

VDI 2469 Blatt 1-2005 Gaseous emission measurement - Measurenment of nitrous oxide - Manual gas chromatographic method
VDI 2453 Blatt 2-2002 Gaseous air pollution measurement - Measurement of concentration of nitrogen monoxide and nitrogen dioxide - Calibration of NO/NOx chemiluminescence analysers using gas phase titration
VDI 2453 Blatt 3-1995 Gaseous air pollution measurement - Determination of the nitrogen monoxide and nitrogen dioxide concentration - Preparation of the calibration gas mixtures and determination of their concentration
VDI 2453 Blatt 1-1990 Gaseous air pollution measurement; determination of nitrogen dioxide concentration; photometric manual standard method (Saltzmann)
VDI 4301 Blatt 1-1997 Indoor air pollution measurement - Determination of the concentration of nitrogen dioxide - Manual photometric method (Saltzman)
VDI 3794 Blatt 3-2009 Determination of deposition fluxes of ambient air pollutants - Determination of the deposition flux of atmospheric nitrogen oxides (NOy) using the IRMA method
VDI 3496 Blatt 1-1982 Gaseous emission measurement; determination of basic nitrogen compounds seizable by absorption in sulphuric acid
VDI 3957 Blatt 18-2015 Biological measuring techniques for the determination and evaluation of effects of air pollutants (biomonitoring) - Determination of nitrogen accumulation in the foliose lichen Parmelia sulcata detecting effects of ambient air pollutants
VDI 3957 Blatt 19-2009 Biological measurement procedures to determine and assess the effects of ambient air pollutants (bioindication) - Detection of regional nitrogen depositions with the mosses Scleropodium purum and Pleurozium schreberi

PL-PKN, How to Measure Nitrogen

PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air
PN Z04009-04-1993 Air purity protection. Tests for content of nitrogen and its compounds. Determination of nitrates in dust in ambient air (imission) by spectrophotometric method with sodium salicilate

Korean Agency for Technology and Standards (KATS), How to Measure Nitrogen

KS B 5360-1990 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-2001 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS E 3733-1989 Determination or Carbon Monoxide and Temperature in Combustion Gases of Holed Briquette
KS D ISO 10720-2003(2018) Steel and iron－Determination of nitrogen content－Thermal conductimetric method after fusion in a current of inert gas
KS I ISO 7996:2006 Ambient air－Determination of the mass concentration of nitrogen oxides(Chemiluminescence method)
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 D ISO 10720:2003 Steel and iron-Determination of nitrogen content-Thermal conductimetric method after fusion in a current of inert gas
KS I ISO 6768-2014(2019) Ambient air — Determination of mass concentration of nitrogen dioxide(Modified Griess-Saltzman method)
KS D ISO 15351-2003(2018) Steel and iron－Determination of nitrogen content－Thermal conductimetric method after fusion in a current of inert gas(Routine method)
KS D ISO 10700-2008(2018) Steel and iron－Determination of manganese content－Flame atomic absorption spectrometric method
KS I ISO 6768:2004 Ambient air-Determination of mass concentration ofnitrogen dioxide(Modified Griess-Saltzman method)
KS I ISO 6768:2014 Ambient air — Determination of mass concentration of nitrogen dioxide(Modified Griess-Saltzman method)
KS I ISO 8761:2008 Work-place air－Determination of mass concentration of nitrogen dioxide－Method using detector tubes for short-term sampling with direct indication
KS M ISO 6745:2007 Zinc phosphate pigments for paints-Specifications and methods of test
KS M ISO 21687:2011 Carbonaceous materials used in the production of aluminium-Determination of density by gas pyknometry (volumetric) using helium as the analysis gas-Solid materials
KS M ISO 21687:2016 Carbonaceous materials used in the production of aluminium－Determination of density by gas pyknometry (volumetric) using helium as the analysis gas－Solid materials
KS I ISO 8761:2019 Work-place air ― Determination of mass concentration of nitrogen dioxide ― Method using detector tubes for short-term sampling with direct indication

US-FCR, How to Measure Nitrogen

FCR COE ETL 1110-2-253-1980 MEASUREMENT OF DISSOLVED GASES TO DETERMINE THE DEGREE OF NITROGEN SUPERSATURATION

Anhui Provincial Standard of the People's Republic of China, How to Measure Nitrogen

DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

CZ-CSN, How to Measure Nitrogen

CSN 83 4728 Cast.1-1984 Air quality. Emission measurement of ammonia from stationary sources of air pollution. General part
CSN 83 4721 Cast.4-1987 Air Pollution Control. Determination of nitrogen oxides emissions from stationary sources. Photometric measurement method
CSN 83 4721 Cast.2-1987 Air Pollution Control. Determination of nitrogen oxides emissions from stationary sources. Sampling for manual measurement
CSN 83 4721 Cast.3-1987 Air Pollution Control. Determination of nitrogen oxides emissions from stationary sources. Alkalimetric titration method
CSN 83 4721 Cast.1-1987 Air Pollution Control. Determination of nitrogen oxides emissions from stationary sources. General part

International Organization for Standardization (ISO), How to Measure Nitrogen

ISO/TS 11725:2002 Solid mineral fuels - Determination of nitrogen - Semi-micro gasification method
ISO 7996:1985 Ambient air; Determination of the mass concentration of nitrogen oxides; Chemiluminescence method
ISO 15351:1999 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
ISO 10849:2022 Stationary source emissions — Determination of the mass concentration of nitrogen oxides in flue gas — Performance characteristics of automated measuring systems
ISO 6768:1998 Ambient air - Determination of mass concentration of nitrogen dioxide - Modified Griess-Saltzman method
ISO 8761:1989 Work-place air; determination of mass concentration of nitrogen dioxide; method using detector tubes for short-term sampling with direct indication
ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
ISO 6768:1985 Ambient air; Determination of the mass concentration of nitrogen dioxide; Modified Griess-Saltzman method
ISO 21687:2007 Carbonaceous materials used in the production of aluminium - Determination of density by gas pyknometry (volumetric) using helium as the analysis gas - Solid materials
ISO 12799:2015 Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method
ISO 8761:1989/cor 1:2009 Work-place air - Determination of mass concentration of nitrogen dioxide - Method using detector tubes for short-term sampling with direct indication; Technical Corrigendum 1

American Society for Testing and Materials (ASTM), How to Measure Nitrogen

ASTM E147-61(1996) Standard Specification for Apparatus For Microdetermination Of Nitrogen By Kjeldahl Method
ASTM E147-61(2001) Standard Specification for Apparatus For Microdetermination Of Nitrogen By Kjeldahl Method
ASTM E147-61(2006) Standard Specification for Apparatus For Microdetermination Of Nitrogen By Kjeldahl Method
ASTM E147-61(2011) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
ASTM D1607-91(2018)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D1607-91(2005) Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D3608-95(2005) Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D3608-95(2000)e1 Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D3608-95(2011) Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D3608-19 Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D7649-10(2017) Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography/Mass Spectrometer Analysis
ASTM D7649-19 Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography/Mass Spectrometer Analysis
ASTM E1937-97 Standard Test Method for Determination of Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique
ASTM D3824-20 Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by Chemiluminescence

Association Francaise de Normalisation, How to Measure Nitrogen

NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF X43-018:1983 Air pollution. Measurement of nitrogen oxides by chemiluminescence.
NF EN 14211:2012 Air ambiant - Méthode normalisée pour le mesurage de la concentration en dioxyde d'azote et monoxyde d'azote par chimiluminescence
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 A06-559*NF EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
NF A06-380*NF EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
NF X11-621:1975 Determination of the area per unit mass of powders (specific surface) by means of gas adsorption. B.E.T. method:volumetric measurement of the adsorption of nitrogen at low temperatures.
NF EN ISO 12799:2019 Énergie nucléaire - Dosage de la teneur en azote des pastilles frittées d'UO2, (U,Gd)O2 et (U,Pu)O2 - Méthode d'extraction par gaz inerte et méthode de mesurage de la conductivité
NF X43-015:1976 Air pollution. Nitrogen dioxide content of atmospheric air. Method of determination by collection on a triethanolamine-impregnated filter.
NF ISO 8761:1990 Air des lieux de travail - Détermination de la concentration en masse du dioxyde d'azote - Méthode utilisant des tubes détecteurs pour échantillonnage rapide à lecture directe.
NF C23-504-1/A1*NF EN 50545-1/A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1 : general performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
NF EN 16980-1:2021 Photocatalyse - Méthode d'essai en flux continu - Partie 1 : détermination de la dégradation du monoxyde d'azote (NO) dans l'air par des matériaux photocatalytiques
NF M60-471*NF EN ISO 12799:2019 Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method
NF C23-504-1*NF EN 50545-1:2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1 : general performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides.
NF U42-125:1985 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method.
FD X43-070-4:2008 Air quality - Practical guidance for estimating the uncertainty of measurement on polluant concentration in ambient air - Part 4 : estimation of the uncertainties on on-site diffusion tube measurements of nitrogen dioxide, followed by a laboratory spectro
XP X43-305:2005 Qualité de l'air - Émissions de sources fixes - Détermination de la concentration en protoxyde d'azote (N20) à l'émission au moyen d'une méthode infra-rouge non dispersive - Méthode automatique

Professional Standard - Light Industry, How to Measure Nitrogen

QB/T 2186-1995 Determination of Liquid Nitrogen in Hydrolyzed Protein by Ammonia Gas Sensitive Electrode

HU-MSZT, How to Measure Nitrogen

British Standards Institution (BSI), How to Measure Nitrogen

BS EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS 1747-9:1987 Methods for measurement of air pollution. Determination of the mass concentration of nitrogen oxides in ambient air: chemiluminescence method
BS EN 14211:2012 Ambient air. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS EN ISO 10720:1997 Steel and iron. Determination of nitrogen content. Thermal conductimetric method after fusion in a current of inert gas
BS EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
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 ISO 10849:2022 Stationary source emissions. Determination of the mass concentration of nitrogen oxides in flue gas. Performance characteristics of automated measuring systems
BS EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
BS EN ISO 10695:2000 Water quality. Determination of selected organic nitrogen and phosphorus compounds. Gas chromatographic methods
21/30409886 DC BS ISO 10849. Stationary source emissions. Determination of the mass concentration of nitrogen oxides in flue gas. Performance characteristics of automated measuring systems
BS ISO 21687:2007 Carbonaceous materials used in the production of aluminium - Determination of density by gas pyknometry (volumetric) using helium as the analysis gas - Solid materials
BS EN 50545-1:2011 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels. General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
BS EN 50545-1:2011+A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
BS ISO 6768:1998 Ambient air - Determination of mass concentration of nitrogen dioxide - Modified Griess-Saltzman method
BS 5551 SubSec.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 ISO 12799:2015 Nuclear energy. Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets. Inert gas extraction and conductivity detection method

Group Standards of the People's Republic of China, How to Measure Nitrogen

T/CMA HG101-2023 calibration method for gas detectors and alarms of nitric oxide, nitrogen dioxide (measuring range 0 μmol/mol～500 μmol/mol) for mining
T/CNIA 0016-2019 Determination of Hydrogen Chloride, Nitrogen, Oxygen and Total Carbon Content in Recycled Hydrogen for Polysilicon by Gas Chromatography
T/NXCL 023-2023 Determination of hydrogen and nitrogen in Beryllium— Inert gas fusion infrared absorption/ thermal conductivity method
T/CWAN 0029.3-2021 Methods for chemical analysis of nickel-based welding materials-Part 3: Determination of nitrogen content by inert gas fusion thermal conductivity method

AT-ON, How to Measure Nitrogen

ONORM M 7455-1990 Fan-assisted gas burners with low NOx-emission; nitrogen oxide measurement

IN-BIS, How to Measure Nitrogen

IS 5182 Pt.6-1975

BE-NBN, How to Measure Nitrogen

NBN T 94-301-1976 Determination of nitrogen dioxyde contents of ambient air -Griess-Saltzman method
NBN T 94-302-1976 Determination of nitrogen oxydes and of nitrogen monoxyde contents of ambient air - Griess-Saltzman method
NBN T 95-301-1977 Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid

FI-SFS, How to Measure Nitrogen

SFS 5425-1988

VN-TCVN, How to Measure Nitrogen

TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
TCVN 6138-1996 Ambient air.Determination of the mass concentration of nitrogen oxides.Chemiluminescence method
TCVN 6137-2009 Ambient air.Determination of mass concentration of nitrogen dioxide.Modified Griess.Saltzman method

European Committee for Standardization (CEN), How to Measure Nitrogen

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 ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999)

CEN - European Committee for Standardization, How to Measure Nitrogen

EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
EN ISO 12799:2019 Nuclear energy - Determination of nitrogen content in UO2@ (U@Gd)O2 and (U@Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method

Lithuanian Standards Office , How to Measure Nitrogen

LST EN 14211-2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
LST ISO 7996:1999 Ambient air. Determination of the mass concentration of nitrogen oxides. Chemiluminescence method (ISO 7996:1985)
LST EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997)
LST EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999)
LST EN 50545-1-2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels -- Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
LST EN ISO 20764:2004 Petroleum and related products - Preparation of a test portion of high-boiling liquids for the determination of water content - Nitrogen purge method (ISO 20764:2003)

Danish Standards Foundation, How to Measure Nitrogen

DS/EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DS/EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
DS/EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
DS/EN ISO 20764:2004 Petroleum and related products - Preparation of a test portion of high-boiling liquids for the determination of water content - Nitrogen purge method
DS/EN 50545-1:2011 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides

AENOR, How to Measure Nitrogen

UNE-EN 14211:2013 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNE 53375-1:2007 Plastics. Determination of carbon black content of polyolefins and its products. Part 1: Nitrogen atmosphere test
UNE 77212:1993 AMBIENT AIR. DETERMINATION OF THE MASS CONCENTRATION OF NITROGEN OXIDES. CHEMILUMINESCENCE METHOD.
UNE-EN ISO 10720:2008 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997)
UNE-EN ISO 15351:2011 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999)
UNE-EN 50545-1:2012 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
UNE-EN ISO 20764:2004 Petroleum and related products - Preparation of a test portion of high-boiling liquids for the determination of water content - Nitrogen purge method (ISO 20764:2003)

RU-GOST R, How to Measure Nitrogen

GOST 32459-2013 White phosphorus. Determination in water by gas chromatography with nitrogen-phosphorus detector
GOST R 8.920-2016 State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with Nitrogen oxide, Nitrogen dioxide, Hydrogen sulfide, Sulfur dioxide, Ammonia. Procedure of determining the metrological characteristics
GOST R 52717-2007 Work-place air. Determination of mass concentration of nitrogen dioxide. Method using detector tubes for short-term sampling with direct indication

Professional Standard - Agriculture, How to Measure Nitrogen

空气和废气监测分析方法 3.1.2-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Dinitrogen Oxides
空气和废气监测分析方法 3.1.3-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Trioxide Nitrogen Dioxide

Professional Standard - Ferrous Metallurgy, How to Measure Nitrogen

YB/T 4306-2012 Steel,iron and alloy.Determination of nitrogen content.Thermal conductimetric method after fusion in a current of inert gas
YB/T 4307-2012 Iron, steel and alloy.Determination of oxygen,nitrogen and hydrogen contents.TOF-mass spectroscopy method after fusion in a current of inert gas(Routine method)

KR-KS, How to Measure Nitrogen

KS I ISO 7996-2021 Ambient air — Determination of the mass concentration of nitrogen oxides — Chemiluminescence method
KS I ISO 8761-2019 Work-place air ― Determination of mass concentration of nitrogen dioxide ― Method using detector tubes for short-term sampling with direct indication

CU-NC, How to Measure Nitrogen

NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

Military Standard of the People's Republic of China-General Armament Department, How to Measure Nitrogen

GJB 533.22-1988 Detection method for 45 components of submarine cabin air. Determination of hydrogen, oxygen, nitrogen and methane content by gas chromatography.
GJB 533.5-1988 Detection method for 45 components of submarine cabin air. Determination of nitrogen oxide content. Calibration tube method

Professional Standard - Electron, How to Measure Nitrogen

SJ 3238-1989 Method for determination of trace Nitrogen in electronic grade Argon--Argon ionization gas chromatography method

SAE - SAE International, How to Measure Nitrogen

SAE J177-1970 MEASUREMENT OF CARBON DIOXIDE@ CARBON MONOXIDE@ AND OXIDES OF NITROGEN IN DIESEL EXHAUST
SAE J177-2002 Measurement of Carbon Dioxide@ Carbon Monoxide@ and Oxides of Nitrogen in Diesel Exhaust
SAE J177-1995 Measurement of carbon dioxide, carbon monoxide and nitrogen oxides in diesel engine exhaust

SE-SIS, How to Measure Nitrogen

SIS SS-ISO 8761:1990 Work-place air — Determination of mass concentration of nitrogen dioxide — Method using detector tubes for short- term sampling with direct indication
SIS SS 02 84 25-1991 Air quality — Stationary source emissions — Determination of the mass concentration of nitrogen oxides — Performance characteristics and calibration of automated measuring systems

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, How to Measure Nitrogen

GB/T 15076.13-2017 Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method
GB/T 4702.17-2016 Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method
GB/T 13747.22-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method

Sichuan Provincial Standard of the People's Republic of China, How to Measure Nitrogen

DB51/T 2043-2015 Determination of Oxygen and Nitrogen Content in Vanadium Aluminum Alloy Inert Gas Fusion-Infrared Absorption Method and Thermal Conductivity Method

Professional Standard - Commodity Inspection, How to Measure Nitrogen

SN/T 4302-2015 Rapid detection method of tris-(aziridyl)phosphine oxide in textiles by gas chromatography-mass spectrometry
SN/T 2221-2008 Determination of azaperone and its metabolite residues in foodstuffs of animal origin for import and export.GC-MS method

Professional Standard - Non-ferrous Metal, How to Measure Nitrogen

YS/T 904.1-2013 Methods for chemical analysis of iron-chromium-aluminum fiber.Part 1:Determination of nitrogen content.Inert gas fusion thermal conductivity method
YS/T 861.2-2013 Methods for chemical analysis of niobium-titanium alloy.Part 2:Determination of oxygen and nitrogen content.Inert gas fusion infrared/thermal conductivity method

CENELEC - European Committee for Electrotechnical Standardization, How to Measure Nitrogen

EN 50545-1:2011 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides

ES-UNE, How to Measure Nitrogen

UNE-EN 50545-1:2012/A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
UNE-EN ISO 12799:2019 Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method (ISO 12799:2015) (Endorsed by Asociación Española de Normalización in July of 2019.)

Professional Standard - Environmental Protection, How to Measure Nitrogen

HJ 1045-2019 Technical requirements and testing methods for portable ultraviolet absorption measuring instruments for flue gas from stationary pollution sources (sulfur dioxide and nitrogen oxides)

Canadian Standards Association (CSA), How to Measure Nitrogen

CSA Z223.2-M86-CAN/CSA-1986 Method for the Continuous Measurement of Oxygen, Carbon Dioxide, Carbon Monoxide, Sulphur Dioxide, and Oxides of Nitrogen in Enclosed Combustion Flue Gas Streams General Instruction No 1 R(1999)