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total nitrogen concentration

total nitrogen concentration, Total:252 items.

In the international standard classification, total nitrogen concentration involves: Air quality, Fertilizers, Soil quality. Pedology, Semiconducting materials, Testing of metals, Ferrous metals, Radiation measurements, Water quality, Wastes, Farming and forestry, Analytical chemistry, Environmental protection, Organic chemicals, Occupational safety. Industrial hygiene, Raw materials for rubber and plastics, Semiconductor devices, Radiation protection, Equipment for entertainment, Paint ingredients, Burners. Boilers, Equipment for the chemical industry, Metalliferous minerals, Vocabularies, Cereals, pulses and derived products, Pesticides and other agrochemicals, Fruits. Vegetables, Beverages, Plastics, Non-ferrous metals, Products of the chemical industry, Nuclear energy engineering.

Association of German Mechanical Engineers, total nitrogen concentration

VDI 2310 Blatt 12-2004 Maximum ambient concentrations referring to human health - Maximum ambient concentrations for nitrogen dioxide
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 3783 Blatt 19-2017 Environmental meteorology - Reaction mechanism for the determination of the nitrogen dioxide concentration
VDI 4301 Blatt 1-1997 Indoor air pollution measurement - Determination of the concentration of nitrogen dioxide - Manual photometric method (Saltzman)
VDI 2453 Blatt 1-1990 Gaseous air pollution measurement; determination of nitrogen dioxide concentration; photometric manual standard method (Saltzmann)
VDI 2452 Blatt 1-1978 Air pollution measurement; measurement of total fluoride ion concentration; impinger 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 3481 Blatt 4-2007 Gaseous emission measurement - Measurement of the concentrations of total organic carbon and methane carbon using the flame ionisation detector (FID)

Hebei Provincial Standard of the People's Republic of China, total nitrogen concentration

DB13/T 5646-2022 Determination of Total α and Total β Radioactive Concentrations in Environmental Aerosols

PL-PKN, total nitrogen concentration

PN-EN 17041-2018-07 P Fertilizers--Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-H
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
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 Arkusz 01-1974 Air purity protectlon Tests tor nitric acid and nitrogen oxides Determination of nitric acid and total amount of nitric acid and nitrogen oxides in the work station by the colorimetric method with phenoldisulphonic acid
PN Z04017-03-1990 Air purity protection Tests for aliphatic hydrocarbons containing alkanes and alkenes Determination of the total of aliphatic hydrocarbons C?-i-Cio in ambient air (immission) by gas chromatography
PN C04570-07-1987 Water and waste water Test for metals by atomie absorption Determination of the total chromium in water with preliminary concentration by chelation and extraction

RU-GOST R, total nitrogen concentration

GOST 27753.4-1988 Greenhouse grounds. Method for determination of total salts content
GOST R ISO 8124-5-2017 Safety of toys. Part 5. Determination of total concentration of certain elements in toys
GOST R ISO 10849-2006 Stationary source emissions. Determination of the mass concentration of nitrogen oxides. Performance characteristics of automated measuring systems
GOST R 50591-1993 Gas-consuming thermal units. Industrial gas-burners. Limiting concentration rates of NOx in combustion products
GOST R 51655-2000 Alcohol products and raw material for it's production. Method for determination of free and total sulphurous acid mass concentration
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
GOST 31810-2012 Rectified ethanol from food raw material. Determination of volatile nitrogen bases mass concentration by capillary electrophoresis method

中华人民共和国国家卫生和计划生育委员会, total nitrogen concentration

WS/T 222-2002 Guideline for the measurement of catalytic concentration of clinical enzymes

Professional Standard - Electron, total nitrogen concentration

SJ/T 11493-2015 Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry

Association Francaise de Normalisation, total nitrogen concentration

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 A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
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 M60-816*NF EN ISO 9697:2019 Water quality - Gross beta activity - Test method using thick source
NF M60-815*NF EN ISO 9696:2017 Water quality - Gross alpha activity - Test method using thick source
NF X43-028*NF EN 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
NF EN 16339:2013 Air ambiant - Méthode pour la détermination de la concentration du dioxyde d'azote au moyen d'échantillonneurs par diffusion
NF X43-339*NF ISO 11564:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method.
NF ISO 11564:2000 Émissions de sources fixes - Détermination de la concentration en masse des oxydes d'azote - Méthode photométrique à la naphtyléthylène diamine (NEDA)
NF X43-373:2006 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method : chemiluminescence.
NF EN 17041:2018 Engrais - Dosage du bore dans des concentrations inférieures ou égales à 10 % par spectrométrie avec l'azométhine H
NF EN 14884:2022 Emissions de sources fixes - Détermination de la concentration en mercure total - Systèmes de mesurage automatisés
NF U42-466*NF EN 17041:2018 Fertilizers - Determination of boron in concentrations less than or equal to 10 % using spectrometry with azomethine-H
NF T20-743:1967 Chemical analysis of maleic and phtahlic anhydrides. Estimate of concentration by determination of total acidity with phthenolphthalein.
NF EN 13211:2001 Qualité de l'air - Émissions de sources fixes - Méthode manuelle de détermination de la concentration en mercure total
NF X43-373*NF EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method : chemiluminescence
NF EN 14792:2017 Émissions de sources fixes - Détermination de la concentration massique des oxydes d'azote - Méthode de référence normalisée : chimiluminescence
NF X43-336*NF EN 13211:2001 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury.
NF EN 15216:2021 Matrices environnementales solides - Détermination de la concentration en matières solides dissoutes totales (TDS) de l'eau et des éluats
NF EN ISO 21258:2010 Émissions de sources fixes - Détermination de la concentration massique de protoxyde d'azote (N2O) - Méthode de référence : méthode infrarouge non dispersive
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 ISO 7990:1986 Minerais et concentrés de manganèse - Dosage du fer total - Méthode titrimétrique après réduction et méthode spectrophotométrique à l'acide sulfosalicylique.
FD X43-070-1:2018 Air quality - Practical guidance for estimating the uncertainty of measurement on polluant concentration in ambiant air - Part 1 : general
NF M60-820:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method.
NF EN 12619:2013 Émissions de sources fixes - Détermination de la concentration massique en carbone organique total - Méthode du détecteur continu à ionisation de flamme
NF X43-255*NF ISO 8761:1990 Work-place air. Determination of mass concentration nitrogen dioxide. Method using detector tubes for short-term sampling with direct indication.
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
NF X43-328*NF EN 12619:2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method

German Institute for Standardization, total nitrogen concentration

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 EN 16339:2013-11 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling; German version EN 16339:2013
DIN EN 17041:2018 Fertilizers - Determination of boron in concentrations 10 % using spectrometry with azomethine-H
DIN EN 14792:2006 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NO<(Index)x>) - Reference method: Chemiluminescence; English version of DIN EN 14792:2006-04
DIN EN ISO 9696:2018 Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017)
DIN EN 13211:2001 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury; German version EN 13211:2001
DIN EN 13211 Berichtigung 1:2005-06 Air quality - Stationary source emissions - Manual methode of determination of the concentration of total mercury; German version EN 13211:2001, Corrigenda to DIN EN 13211:2001-06; German version EN 13211:2001/AC:2005
DIN EN 13211:2001-06 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury; German version EN 13211:2001
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 14792:2017-05 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence; German version EN 14792:2017
DIN EN ISO 9697:2016 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015); German and English version FprEN ISO 9697:2015
DIN EN 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling; German version EN 16339:2013
DIN EN ISO 11704:2015-11 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010); German version EN ISO 11704:2015 / Note: To be replaced by DIN EN ISO 11704 (2017-10).
DIN EN ISO 21258:2010-11 Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N<(Index)2>O) - Reference method: Non-dispersive infrared method (ISO 21258:2010); German version EN ISO 21258:2010
DIN EN 13211 Berichtigung 1:2005 Air quality - Stationary source emissions - Manual methode of determination of the concentration of total mercury; German version EN 13211:2001, Corrigenda to DIN EN 13211:2001-06; German version EN 13211:2001/AC:2005
DIN EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence; German version EN 14792:2017
DIN EN 12619:2013-04 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method; German version EN 12619:2013
DIN EN 13211 Corrigendum 1:2005 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury Corrigendum 1 to English of DIN EN 13211:2001-06
DIN EN ISO 11704:2015 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010); German version EN ISO 11704:2015
DIN EN ISO 21258:2010 Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N<(Index)2>O) - Reference method: Non-dispersive infrared method (ISO 21258:2010); German version EN ISO 21258:2010

未注明发布机构, total nitrogen concentration

DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence
DIN EN 13211 Ber-1:2005 Air quality — Emissions from stationary sources — Manual method for determining total mercury concentration
BS ISO 6768:1998(1999) Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess - Saltzman method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, total nitrogen concentration

GB/T 36705-2018 Test method for carrier concentration of gallium nitride substrates—Raman spectrum method
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 6730.24-2006 Iron ores Determination of total rare earth contentd Chlorophosphonazo mA spectrophotometric method
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
GB/T 6987.24-2001 Aluminium and aluminium alloys--Determination of the cerium subgroup of rare earth elements content--Tribromoarsenazo spectrophotometric method
GB/T 223.49-1994 Methods for chemical analysis of iron,steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare tarth content

European Committee for Standardization (CEN), total nitrogen concentration

EN 17041:2018 Fertilizers - Determination of boron in concentrations ��10 % using spectrometry with azomethine-H
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 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
EN 14792:2005 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method: Chemiluminescence
EN 13211:2001 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury
EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence
EN 12619:1999 Stationary Source Emissions - Determination of the Mass Concentration of Total Gaseous Organic Carbon at Low Concentrations in Flue Gases - Continuous Flame Ionization Detector Method
EN ISO 11704:2015 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010)
EN 12619:2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method [Superseded: CEN EN 13526]
EN 13526:2001 Stationary Source Emissions - Determination of the Mass Concentration of Total Gaseous Organic Carbon in Flue Gases From Solvent Using Processes - Continuous Flame Ionisation Detector Method

British Standards Institution (BSI), total nitrogen concentration

BS EN 16339:2013 Ambient air. Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
BS EN 17041:2018 Fertilizers. Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-H
BS EN 14211:2012 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
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 11564:1998 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method
BS EN 14792:2005 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method: Chemiluminescence
BS ISO 19043:2015 Natural rubber latex concentrate. Determination of total phosphate content by spectrophotometric method
22/30446379 DC BS ISO 19043 Natural rubber latex concentrate. Determination of total phosphate content by spectrophotometric method
BS ISO 6768:1998 Ambient air - Determination of mass concentration of nitrogen dioxide - Modified Griess-Saltzman method
BS EN ISO 21258:2010 Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N2O) - Reference method - Non-dispersive infrared method
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 14792:2017 Tracked Changes. Stationary source emissions. Determination of mass concentration of nitrogen oxides. Standard reference method. 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 ISO 11704:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method
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 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
BS ISO 25761:2014 Plastics. Polyols for use in the production of polyurethanes. Determination of basicity (total amine value), expressed as percent nitrogen
BS EN 12619:2013 Stationary source emissions. Determination of the mass concentration of total gaseous organic carbon. Continuous flame ionisation detector method

ES-UNE, total nitrogen concentration

UNE-EN 17041:2019 Fertilizers - Determination of boron in concentrations = 10 % using spectrometry with azomethine-H
UNE-EN 13211:2001/AC:2005 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury

AENOR, total nitrogen concentration

UNE 77228:2002 Stationary source emissions. Determination of the mass concentration of nitrogen oxides. Naphthylethylenediamine photometric method.
UNE-EN 14211:2013 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
UNE 77212:1993 AMBIENT AIR. DETERMINATION OF THE MASS CONCENTRATION OF NITROGEN OXIDES. CHEMILUMINESCENCE METHOD.
UNE-EN 16339:2014 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
UNE-EN 13211:2001 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury.
UNE-EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence
UNE 77224:2000 Stationary source emissions. Determination of the mass concentration of nitrogen oxides. Performance characteristics of automated measuring systems.
UNE-EN ISO 9697:2017 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015)
UNE-EN ISO 21258:2010 Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N2O) - Reference method: Non-dispersive infrared method (ISO 21258:2010)
UNE-EN 12619:2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method

Danish Standards Foundation, total nitrogen concentration

DS/ISO 11564+Cor.1:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method
DS/EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
DS/EN 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
DS/EN 14792:2006 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method: Chemiluminescence
DS/ISO 11704:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method
DS/EN 13211/AC:2005 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury
DS/EN 13211:2001 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury
DS/ISO 10849:1996 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Performance characteristics of automated measuring systems
DS/EN ISO 21258:2010 Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N2O) - Reference method: Non-dispersive infrared method
DS/EN 12619:2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method

Korean Agency for Technology and Standards (KATS), total nitrogen concentration

KS I ISO 11564-2014(2019) Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
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 I ISO 11564:2004 Stationary source emissions-Determination of the mass concentrationof nitrogen oxides(Naphthylethylenediamine photometric method)
KS I ISO 11564:2014 Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
KS I ISO 6768-2014(2019) Ambient air — Determination of mass concentration of nitrogen dioxide(Modified Griess-Saltzman method)
KS I ISO 6768:2004 Ambient air-Determination of mass concentration ofnitrogen dioxide(Modified Griess-Saltzman method)
KS I ISO 10849:2008 Stationary source emissions－Determination of the mass concentration of nitrogen oxides－Performance characteristics of automated measuring systems
KS I ISO 6768:2014 Ambient air — Determination of mass concentration of nitrogen dioxide(Modified Griess-Saltzman method)
KS G ISO 8124-5-2016(2021) Safety of toys ─ Part 5: Determination of total concentration of certain elements in toys
KS M ISO 6745:2007 Zinc phosphate pigments for paints-Specifications and methods of test
KS B ISO 10849:2009 Stationary source emissions－Determination of the mass concentration of nitrogen oxides－Performance characteristics of automated measuring systems
KS I ISO 21258-2012(2017) Stationary source emissions－Determination of the mass concentration of dinitrogen monoxide(N2O)－Reference method：Non-dispersive infrared method
KS I ISO 10849-2008(2018) Stationary source emissions－Determination of the mass concentration of nitrogen oxides－Performance characteristics of automated measuring systems
KS B ISO 10849-2003(2008) Stationary source emissions－Determination of the mass concentration of nitrogen oxides－Performance characteristics of automated measuring systems
KS G ISO 8124-5:2016 Safety of toys ─ Part 5: Determination of total concentration of certain elements in toys
KS I ISO 21258:2022 Stationary source emissions — Determination of the mass concentration of dinitrogen monoxide(N2O) — Reference method: Non-dispersive infrared 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 I ISO 21258:2012 Stationary source emissions-Determination of the mass concentration of dinitrogen monoxide(N2O)-Reference method:Non-dispersive infrared 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

CEN - European Committee for Standardization, total nitrogen concentration

EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
EN ISO 11704:2018 Water quality - Gross alpha and gross beta activity - Test method using liquid scintillation counting

Lithuanian Standards Office , total nitrogen concentration

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 14792-2006 Stationary source emissions - Determination of mass concentration of nitrogen oxides (NOx) - Reference method: Chemiluminescence
LST EN 13211-2002 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury
LST EN 13211-2002/AC-2005 Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury
LST EN 12619-2000 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases - Continuous flame ionisation detector method
LST ISO 9696:2008 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method (ISO 9696:2007, identical)
LST ISO 9697:2009 Water quality - Measurement of gross beta activity in non-saline water - Thick source method (ISO 9697:2008, identical)
LST ISO 10849:2001 Stationary source emissions. Determination of the mass concentration of nitrogen oxides. Performance characteristics of automated measuring systems
LST EN ISO 21258:2010 Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N2O) - Reference method: Non-dispersive infrared method (ISO 21258:2010)
LST EN 12619-2013 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon - Continuous flame ionisation detector method
LST EN 13526-2002 Stationary source emissions - Determination of the mass concentration of total gaseous organic carbon in flue gases from solvent using processes - Continuous flame ionisation detector method

Professional Standard - Nuclear Industry, total nitrogen concentration

EJ/T 20188-2018 Beta Counting Method for Determination of Total Beta Activity Concentration of Low-Level Organic Waste Liquid
EJ/T 1075-1998 Determination of gross alpha activity in water thick source method
EJ/T 20195-2018 Determination of Total β Activity Concentration of Radioactive Metal Wastes? β Counting Method
EJ/T 20187-2018 Thick Source α Counting Method for Determination of Total α Activity Concentration of Low-level Organic Waste Liquid
EJ/T 20194-2018 Thick Source α Counting Method for Determination of Total α Activity Concentration of Radioactive Metal Waste

VN-TCVN, total nitrogen concentration

TCVN 6138-1996 Ambient air.Determination of the mass concentration of nitrogen oxides.Chemiluminescence method
TCVN 7172-2002 Stationary source emissions.Determination of the mass concentration of nitrogen oxides.Naphthylethylenediamine photometric method
TCVN 6501-1999 Stationary source emissions.Determination of the mass concentration of nitrogen oxides.Performance characteristics of automated measuring systems
TCVN 6137-2009 Ambient air.Determination of mass concentration of nitrogen dioxide.Modified Griess.Saltzman method
TCVN 7245-2003 Health care solid waste incinerator.Determination method of nitrogen oxides (NOx) concentration in fluegas
TCVN 7558-2-2005 Solid waste incinerators.Determination of total concentration of organic compounds in fluegas.Part 2: Turbidity method
TCVN 7558-1-2005 Solid waste incinerators.Determination of total concentration of organic compounds in fluegas.Part 1: Spectrophotometry method

International Organization for Standardization (ISO), total nitrogen concentration

ISO 7996:1985 Ambient air; Determination of the mass concentration of nitrogen oxides; Chemiluminescence method
ISO 11564:1998/cor 1:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method; Technical Corrigendum 1
ISO 10849:1996 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Performance characteristics of automated measuring systems
ISO 6768:1998 Ambient air - Determination of mass concentration of nitrogen dioxide - Modified Griess-Saltzman method
ISO 19043:2023 Natural rubber latex concentrate — Determination of total phosphate content by spectrophotometric method
ISO 19043:2015 Natural rubber latex concentrate - Determination of total phosphate content by spectrophotometric method
ISO 6768:1985 Ambient air; Determination of the mass concentration of nitrogen dioxide; Modified Griess-Saltzman method
ISO 11704:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method
ISO 8124-5:2015 Safety of toys - Part 5: Determination of total concentration of certain elements in toys
ISO 10849:2022 Stationary source emissions — Determination of the mass concentration of nitrogen oxides in flue gas — Performance characteristics of automated measuring systems
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 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
ISO 25761:2014 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
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

KR-KS, total nitrogen concentration

KS I ISO 7996-2021 Ambient air — Determination of the mass concentration of nitrogen oxides — Chemiluminescence method
KS I ISO 21258-2022 Stationary source emissions — Determination of the mass concentration of dinitrogen monoxide(N2O) — Reference method: Non-dispersive infrared 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, total nitrogen concentration

NC 44-08-3-1986 Ores. Cobalt and Nickel Sulfide Concentrate. Photometric Determination of Cobalt R-Nitrous Salt Method

Group Standards of the People's Republic of China, total nitrogen concentration

T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/LCAA 005-2021 Determination of methane, nitrous oxide and carbon dioxide concentrations in gases——gas chromatography method
T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
T/EERT 012.1-2021 Technical guideline for synergistic treatment of volatile organic waste gas Part 1：General rule
T/BSRS 028-2020 Technical specification for analysis of gamma gross activity concentration in liquid effluents for nuclear power plants

Taiwan Provincial Standard of the People's Republic of China, total nitrogen concentration

CNS 15091-7-2007 Method of test for deep sea water - Determination of total suspended matters

CZ-CSN, total nitrogen concentration

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

Occupational Health Standard of the People's Republic of China, total nitrogen concentration

GBZ/T 192.1-2007 Determination of dust in the air of workplace.Part l：Total dust concentration
GBZ/T 192.6-2018 Determination of dust in the air of workplaces - Part 6: Ultrafine particles and total fine particle concentration

国家市场监督管理总局、中国国家标准化管理委员会, total nitrogen concentration

GB/T 39544-2020 Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method

SE-SIS, total nitrogen concentration

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 23-1991 Air Quality — Stationary source emissions — Determination of the total mass concentration ofmercury — Flameless atomic absorption methods
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

NL-NEN, total nitrogen concentration

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
NEN 6421-1987 Water- Determination of the gross-bèta-activity concentration and rest-bèta-activity concentration of non-volatile compounds

American National Standards Institute （ANSI), total nitrogen concentration

BS ISO 19043:2023 Natural rubber latex concentrate. Determination of total phosphate content by spectrophotometric method (British Standard)

BELST, total nitrogen concentration

STB 17.13.05-49-2021 Еnvironmental pгоtесtion аnd nature use. Sampling and measurements, monitoring. Water quality. Determination of the mass concentration of nitrogen-containing substances using photometric tests
STB 17.13.05-38-2015 Environmental protection and nature use. Analytical (laboratory) control and monitoring. Water quality. Determination of nitrit nitrogen concentration by photometric method with Griss reactant
STB 17.13.05-45-2016 Environmental protection and nature use. Analytical control and monitoring. Water quality. Determination of the concentration of total iron photometrically with sulfosalicylic acid
STB 17.13.05-43-2015 Еnvironmental pгоtесtion and nature use. Analytic (laboratory) control and monitoring of the environment. Water quality. Determination of the concentration of nitrogen of nitrates by photometric method with salicylic acid
STB 17.13.05-33-2014 Еnvironmental pгоtесtion аnd nature use. Analytic control and monitoring. Water quality. Determination of the concentration of chromium (VI) and total chromium in water photometrically with diphenylcarbazide

Professional Standard - Environmental Protection, total nitrogen concentration

HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

API - American Petroleum Institute, total nitrogen concentration

API PUBL 35-31189-1985 INDOOR VERSUS OUTDOOR AMBIENT BENZENE CONCENTRATIONS: RESULTS OF THE EPA TOTAL EXPOSURE ASSESSMENT (TEAM) STUDY

Professional Standard - Agriculture, total nitrogen concentration

NY/T 30-1986 Determination of rare earth oxide content in soil.Chlorophosphonazo-p-hippuric acid photometric method
GB 6260-1986 Determination of Total Oxidized Rare Earth in Soil Spectrophotometric Method for Azochlorophosphorus Hippurate
空气和废气监测分析方法 5.5.7-2003 Part Five Pollution Source Monitoring Chapter Five Continuous Monitoring of Flue Gas Pollutant Emission Seven Calculation of Emission Concentration and Total Emission

Professional Standard - Aviation, total nitrogen concentration

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method
HB 5220.39-1995 Chemical Analysis Method of Superalloys PMBP Direct Extraction-ArsenazoⅢ Absorbance Spectrophotometry Determination of Total Rare Earth
HB 5220.39-2008 Methods for chemical analysis of superalloys. Part 39: Determination of total rare earth content by PMBP direct extraction-arsenazo Ⅲ photometric method

Standard Association of Australia （SAA）, total nitrogen concentration

AS/NZS 8124.12:2017 Safety of toys, Part 12: Determination of total concentration of certain elements in toys (ISO 8124-5:2015, MOD)

ES-AENOR, total nitrogen concentration

UNE 55-751-1985

Professional Standard - Non-ferrous Metal, total nitrogen concentration

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
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

GOSTR, total nitrogen concentration

GOST 33815-2016 Wine products and raw materials for it’s production. Method for determination of mass concentration of total and the reduced extract

中华人民共和国环境保护部, total nitrogen concentration

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method

Japanese Industrial Standards Committee (JISC), total nitrogen concentration

JIS K 1557-7:2011 Plastics -- Polyols for use in the production of polyurethanes -- Part 7: Determination of basicity, expressed as percent nitrogen and total amine value

YU-JUS, total nitrogen concentration

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

American Society for Testing and Materials (ASTM), total nitrogen concentration

ASTM C1672-07 Standard Test Method for Determination of Uranium or Plutonium Isotopic Composition or Concentration by the Total Evaporation Method Using a Thermal Ionization Mass Spectrometer
ASTM C1672-17 Standard Test Method for Determination of Uranium or Plutonium Isotopic Composition or Concentration by the Total Evaporation Method Using a Thermal Ionization Mass Spectrometer
ASTM C1672-07(2014) Standard Test Method for Determination of Uranium or Plutonium Isotopic Composition or Concentration by the Total Evaporation Method Using a Thermal Ionization Mass Spectrometer

National Metrological Technical Specifications of the People's Republic of China, total nitrogen concentration

JJF(烟草) 4.3-2010 Tobacco and Tobacco Products.Evaluation of Uncertainty in Measurement for Routine Chemical Ingredients Using Continuous Flow Method.Part 3:Total Nitrogen
JJF(烟草) 4.3-2010 Guidance for the Uncertainty Assessment of Routine Chemical Composition in the Determination of Tobacco and Tobacco Products by Continuous Flow Method Part 3: Total Nitrogen
JJF(烟草)4.3-2010 Guidance for the Uncertainty Assessment of Routine Chemical Composition in the Determination of Tobacco and Tobacco Products by Continuous Flow Method Part 3: Total Nitrogen
JJF 4.3-2010 Guidance for the Uncertainty Assessment of Routine Chemical Composition in the Determination of Tobacco and Tobacco Products by Continuous Flow Method Part 3: Total Nitrogen

水利部, total nitrogen concentration

SL/T 788-2019 Determination of total nitrogen, volatile phenols, sulfides, anionic surfactants and hexavalent chromium in water quality continuous flow analysis-spectrophotometry