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Gas Concentration Unit

Gas Concentration Unit, Total:387 items.

In the international standard classification, Gas Concentration Unit involves: Burners. Boilers, Protection against fire, Air quality, Welding, brazing and soldering, Corrosion of metals, Explosion protection, Glass, Protection against dangerous goods, Fuels, Analytical chemistry, Optics and optical measurements, Products of the chemical industry, Nuclear energy engineering, Measurement of volume, mass, density, viscosity, Construction materials, Veterinary medicine, Thermodynamics and temperature measurements, Radiation protection, Alarm and warning systems, Vocabularies, CHEMICAL TECHNOLOGY, Inorganic chemicals, Organic chemicals, Particle size analysis. Sieving, Geology. Meteorology. Hydrology, Energy and heat transfer engineering in general, HEALTH CARE TECHNOLOGY, Mechanical testing, Railway rolling stock, Plastics, Environmental protection, Water quality, Compressors and pneumatic machines, Fertilizers, Internal combustion engines for road vehicles, Law. Administration, Metrology and measurement in general, Equipment for the chemical industry, Elements of buildings, Integrated circuits. Microelectronics, Test conditions and procedures in general, Fluid power systems, Fluid storage devices, Paints and varnishes, Earthworks. Excavations. Foundation construction. Underground works, Edible oils and fats. Oilseeds, Raw materials for rubber and plastics, Aerospace electric equipment and systems, Radiation measurements, Paint ingredients, Electrical engineering in general, Soil quality. Pedology.

RU-GOST R, Gas Concentration Unit

GOST R 50591-2013 Gas-consuming thermal units. Industrial gas burners. Limiting concentration rates of NOx in combustion products
GOST R ISO 10396-2006 Stationary source emissions. Sampling for the automated determination of gas concentrations
GOST 13005-1967 Interferometers for determination of liqnid and gas concentration. Methods and means for verification
GOST R 58026-2017 Masonry units. Methods of test. Determination of net and gross dry density of masonry units (except for natural stone)
GOST R 56520-2015 Railway rolling stock. Methods for determination of explosive concentration of gases in storage boxes
GOST 29131-1991 Liquid chemical products. Measurement of colour in Hazen units (platinum-cobalt scale)
GOST R ISO 8573-8-2007 Compressed air. Part 8. Test methods for solid particle content by mass concentration
GOST R 8.791-2013 State system for ensuring the uniformity of measurements. Radioisotope and piezobalance analyzers for mass concentration of aerosol particles in air of the working zone. The method of verification
GOST R 50591-1993 Gas-consuming thermal units. Industrial gas-burners. Limiting concentration rates of NOx in combustion products
GOST R 8.766-2011 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring mass concentration dissolving in water gasses (oxygen, hydrogen)
GOST 8.652-2016 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring mass concentration of dissolving in water gasses (oxygen, hydrogen)
GOST R ISO 10396-2012 Stationary source emissions. Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systems
GOST R 8.845-2013 State system for ensuring the uniformity of measurements. Air ion composition measurements. Method of measuring volume density of electric charge of air and air ion concentration using aspiration capacitor

RO-ASRO, Gas Concentration Unit

STAS 1081-1980 LIQUID SOLUTIONS CONCENTRATION Glossary of terms and units of measure
STAS SR ISO 2211:1994 LIQUID CHEMICAL PRODUCTS - Measurement of colour in Hazen units (platinum-cobalt scale)

Standard Association of Australia （SAA）, Gas Concentration Unit

AS 4215.0:1995 Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - General introduction and list of methods
AS 4215.1:1995 Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - Determination of fire extinguishing concentrations
AS 4215.2:1995 Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - Determination of fire inerting concentrations

Association of German Mechanical Engineers, Gas Concentration Unit

VDI 3486 Blatt 1-1979 Measurement of gaseous emissions; Measurement of the hydrogen sulfide concentration; potentiometric titration method
VDI 3488 Blatt 2-1980 Gaseous emission measurement; measurement of chlorine concentration; bromide iodide method
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 3486 Blatt 2-1979 Measurement of gaseous emission; Measurement of the hydrogen sulfide concentration; lodometric titration method
VDI 3487 Blatt 1-1978 Gaseous emission measurement; measurement of carbon disulfide concentration; iodometric titration method
VDI 2462 Blatt 1-1974 Gaseous emission measurement; determination of sulphur dioxide concentration; iodometric thiosulfate method
VDI 3484 Blatt 1-2001 Gaseous ambient air measurements - Indoor-air pollution measurements - Test gases measurements; Measurement of the formaldehyde concentration with the sulfite pararosaniline method
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)
VDI 2451 Blatt 3-1996 Measurement of gaseous immissions - Measurement of sulphur dioxide concentration - Tetrachloromercurate Pararosaniline (TCM) Method
VDI 2459 Blatt 1-2000 Gaseous emission measurement - Determination of carbon monoxide concentration using flame ionisation detection after reduction to methane

ZA-SANS, Gas Concentration Unit

CKS 106-1967 SPECIFICATION FOR NITROGEN, HIGH PURITY (LIQUID AND COMPRESSED GAS) (Metric Units)
SANS 3233:1998 Paints and varnishes - Determination of percentage volume of non-volatile matter by measuring the density of a dried coating

Korean Agency for Technology and Standards (KATS), Gas Concentration Unit

KS B 0546-2016 Methods of mesurement for gas Concentration in welding environment
KS B 0546-2021 Methods of measurement for gas concentration in welding environment
KS D ISO 10062:2003 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
KS D ISO 10062:2014 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
KS D ISO 10062:2019 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
KS M 3047-1993 Method for Measuring Smoke Density and Concentration of Gases Evolved by Incineration or Decomposition of Plastics
KS M 3047-2018 Methods for the analysis of evolved gases concentration by burning of plastics
KS F 2234-2016 Measuring method for the mass per unit volume(density) and the mass per unit of surface area of polystyrene composite wood wool cement boards
KS I ISO 13641-2:2010 Water quality-Determination of inhibition of gas production of anaerobic bacteria-Part 2:Test for low biomass concentrations
KS A 0082-2008(2018) Low volume air samplers and methods for measuring mass concentration of airborne dust by the low volume air samplers
KS M ISO 2211-2003(2018)
KS B ISO 8573-8-2005(2010) Compressed air－Part 8：Test methods for solid particle content by mass concentration
KS I ISO 10396-2009(2019) Stationary source emissions－Sampling for the automated determination of gas emission concentrations forpermanently-installed monitoring systems
KS B ISO 8573-8:2005 Compressed air-Part 8:Test methods for solid particle content by mass concentration
KS I ISO 10396:2009 Stationary source emissions-Sampling for the automated determination of gas emission concentrations forpermanently-installed monitoring systems
KS B ISO 8573-8:2013 Compressed air－Part 8：Test methods for solid particle content by mass concentration
KS M ISO 3233:2002 Paints and varnishes-Determination of percentage volume of non-volatile matter by measuring the density of a dried coating
KS M ISO 3233:2016 Paints and varnishes－Determination of percentage volume of non-volatile matter by measuring the density of a dried coating
KS H ISO 6883-2013(2018) Animal and vegetable fats and oils ― Determination of conventional mass per volume (litre weight in air)

PL-PKN, Gas Concentration Unit

PN Z01001-01-1991 Air purity protection Terminology and- units Terminology and units relating to aerosol and dust
PN Z01001 Arkusz 02-1974 Air purity protection Terminology, definitions and units Terminology, definitions and units relating to the dust particie
PN Z01001 Arkusz 04-1974 Air purity protection Terminology, definitions and units Terminology, definitions and units relating to the characteristic quantities of particie separators and aerósols filters
PN Z01001 Arkusz 00-1974 Air purity protection Terminology, definitions and units Introduction and scope of the standard
PN Z01001-11-1988 Air purity protection Terms, definitions and units Terms, definitions relatin to air-pollution sources

国家市场监督管理总局、中国国家标准化管理委员会, Gas Concentration Unit

GB/T 38301-2019 Determination of limiting oxygen concentration (LOC) of flammable gases and vapours

Japanese Industrial Standards Committee (JISC), Gas Concentration Unit

JIS Z 3952:2005 Methods of measurement for gas concentration in welding environment
JIS R 3224-3:2018 Glass in buildings -- Insulating glass -- Part 3: Gas concentration and gas leakage
JIS Z 8837:2018 Determination of density by volumetric displacement -- Skeleton density by gas pycnometry
JIS K 7228:1987 Method for measuring smoke density and concentration of gases evolved by incineration or decomposition of plastics
JIS B 8392-8:2008 Compressed air -- Part 8: Test methods for solid particle content by mass concentration

Shanxi Provincial Standard of the People's Republic of China, Gas Concentration Unit

DB14/T 1710-2018 Greenhouse Gas Carbon Dioxide Concentration Assessment Specification

AENOR, Gas Concentration Unit

UNE-EN 14756:2007 Determination of the limiting oxygen concentration (LOC) for flammable gases and vapours
UNE-EN ISO 10062:2009 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2006)
UNE-EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
UNE-EN 1279-3:2003 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances.
UNE 55701:1982 SURFACE ACTIVE AGENTS. DETERMINATION OF HAZEN UNITS OF COLOUR (PLATINUM-COBALT SCALE) OF LIQUID PRODUCTS
UNE-EN 14412:2005 Indoor air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Guide for selection, use and maintenance
UNE-ISO 10396:2009 Stationary source emissions. Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systems

Danish Standards Foundation, Gas Concentration Unit

DS/EN 14756:2007 Determination of the limiting oxygen concentration (LOC) for flammable gases and vapours
DS/EN ISO 10062:2008 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
DS/EN 1279-3:2003 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances
DS/EN 45544-2:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the region of limit values
DS/EN 45544-3:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentrations well above limit values
DS/EN 14662-3:2005 Ambient Air Quality - Standard method for the measurement of benzene concentrations - Part 3: Automated pumped sampling with in situ gas chromatography
DS/EN 13649:2002 Stationary source emissions - Determination of the mass concentration of individual gaseous organic compounds - Activated carbon and solvent desorption method
DS/EN 14412:2004 Indoor air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Guide for selection, use and maintenance
DS/ISO 10396:2007 Stationary source emissions - Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systems
DS/ISO/TS 11665-12:2021 Measurement of radioactivity in the environment – Air: radon-222 – Part 12: Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method
DS/EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods

Lithuanian Standards Office , Gas Concentration Unit

LST EN 14756-2007 Determination of the limiting oxygen concentration (LOC) for flammable gases and vapours
LST EN ISO 10062:2008 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2006)
LST EN 1279-3-2003 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances
LST EN 45544-3-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentrations well above limit values
LST EN 45544-2-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the region of limit values
LST EN 14662-3-2005 Ambient Air Quality - Standard method for the measurement of benzene concentrations - Part 3: Automated pumped sampling with in situ gas chromatography
LST EN 13649-2002 Stationary source emissions - Determination of the mass concentration of individual gaseous organic compounds - Activated carbon and solvent desorption method
LST EN 14412-2004 Indoor air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Guide for selection, use and maintenance
LST EN 45544-1-2001 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods

International Organization for Standardization (ISO), Gas Concentration Unit

ISO 20492-3:2010 Glass in buildings - Insulating glass - Part 3: Gas concentration and gas leakage
ISO/CD 20492-3 Glass in buildings — Insulating glass — Part 3: Gas concentration and gas leakage
ISO 10062:1991 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
ISO 2211:1973 Liquid chemical products; Measurement of colour in Hazen units (platinum-cobalt scale)
ISO/DIS 20492-3:2023 Glass in buildings — Insulating glass — Part 3: Gas concentration and gas leakage
ISO 10062:2022 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
ISO 10062:2006 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
ISO 10062:2022/CD Amd 1:2023 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) — Amendment 1
ISO 10396:1993 Stationary source emissions; sampling for the automated determination of gas concentrations
ISO 19747:2020 Fertilizers and soil conditioners — Determination of monosilicic acid concentrations in nonliquid fertilizer materials
ISO 10062:2022/DAmd 1:2023 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) — Amendment 1: Footnote of warning
ISO 13641-2:2003 Water quality - Determination of inhibition of gas production of anaerobic bacteria - Part 2: Test at low biomass concentrations
ISO/TS 19021:2018 Test method for determination of gas concentrations in ISO 5659-2 using Fourier transform infrared spectroscopy
ISO 8573-8:2004 Compressed air - Part 8: Test methods for solid particle content by mass concentration
ISO 10396:2007 Stationary source emissions - Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systems
ISO 6883:1987 Animal and vegetable fats and oils; Determination of mass per unit volume ("litre weight") in air
ISO 2533:1975/Cor 1:1977 Standard Atmosphere — Addendum 2: Extension to - 5000 m and standard atmosphere as a function of altitude in feet
ISO 6883:1995 Animal and vegetable fats and oils - Determination of conventional mass per volume ("litre weight in air")

Indonesia Standards, Gas Concentration Unit

SNI ISO 20492-3:2014 Glass in buildings — Insulating glass — Part 3: Gas concentration and gas leakage

CZ-CSN, Gas Concentration Unit

CSN 65 0322-1983 Concentration limits of flammability. Combustible gases and vapors

Military Standard of the People's Republic of China-General Armament Department, Gas Concentration Unit

GJB 5834-2006 Concentration limits of noxious gases in armored vehicle compartments

Association Francaise de Normalisation, Gas Concentration Unit

NF S66-270:2007 Determination of the limiting oxygen concentration (LOC) for flammable gases and vapours.
NF X43-251:1993 Air quality. Workplace atmospheres. Determination of the concentration of gaseous monocyclic aromatic hydrocarbons.
NF S66-250*NF EN 1839:2017 Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours
NF B10-503:1973 QUARRY PRODUCTS. LIMESTONES. MEASUREMENT OF POROSITY, OF THE TRUE WEIGHT PER UNIT VOLUME, AND OF THE APPARENT WEIGHT PER UNIT VOLUME.
NF A05-107*NF EN ISO 10062:2008 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
NF A05-107:1995 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es).
NF EN 1839:2017 Détermination des limites d'explosivité des gaz et vapeurs et détermination de la concentration limite en oxygène (CLO) des gaz et des vapeurs inflammables
NF X43-063*NF EN 14412:2004 Indoor air quality - Diffusive samplers for the determination of concentration of gases and vapours - Guide for selection, use and maintenance
NF X43-017:1984 Air quality. Measurement of the concentration of solid particles in ambient air. Beta ray absorption method.
NF EN ISO 18847:2016 Biocombustibles solides - Détermination de la masse volumique unitaire des granulés et des briquettes
XP ISO/TS 19021:2019 Méthode pour déterminer les concentrations des gaz émis lors de l'essai ISO 5659-2 par spectroscopie infrarouge à transformée de Fourier
NF C23-676*NF EN 50676:2019 Electrical equipment used for detection and concentration measurement of refrigerant gases - Performance requirements and test methods
NF X43-370*NF EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method : Paramagnetism
NF EN 14789:2017 Émissions de sources fixes - Détermination de la concentration volumique en oxygène - Méthode de référence normalisée : paramagnétisme
NF EN 50676:2019 Appareils électriques utilisés pour la détection et la mesure de la concentration de gaz frigorigènes - Exigences de performance et méthodes d'essai
NF X11-601:1979 Sieving and granulometry. Determination of the area per unit of mass or volume of powders by permeametry. Lea and nurse method.
NF EN 14412:2004 Qualité de l'air intérieur - Échantillonnage par diffusion pour la détermination de la concentration des gaz et des vapeurs - Guide pour la sélection, l'utilisation et la maintenance
NF P78-473*NF EN 1279-3:2018 Glass in building - Insulating glass units - Part 3 : long term test method and requirements for gas leakage rate and for gas concentration tolerances
NF ISO 8573-8:2004 Air comprimé - Partie 8 : méthodes d'essai pour la détermination de la teneur en particules solides par concentration massique
NF P84-706:2019 Géosynthétiques bentonitiques - Détermination du flux liquide par unité de longueur de recouvrement
XP P92-021*XP ISO/TS 19021:2019 Test method for determination of gas concentrations in ISO 5659-2 using Fourier transform infrared spectroscopy
NF ISO 10396:2007 Émissions de sources fixes - Échantillonnage pour la détermination automatisée des concentrations d'émission de gaz pour des systèmes fixes de surveillance
NF X43-029-3*NF EN 14662-3:2015 Ambient air quality - Standard method for the measurement of benzene concentrations - Part 3 : automated pumped sampling with in situ gas chromatography
NF EN 13528-2:2003 Qualité de l'air ambiant - Échantillonneurs par diffusion pour la détermination des concentrations des gaz et des vapeurs - Exigences et méthodes d'essai - Partie 2 : exigences spécifiques et méthodes d'essai
NF E29-678:1980 Gas cylinders. Taper screw thread for valve stem and cylinder neck assembly. Nominal diameter 16,4, taper 3/20, 14 TPI si.
NF EN 13528-1:2003 Qualité de l'air - Echantillonneurs par diffusion pour la détermination des concentrations des gaz et des vapeurs - Prescriptions et méthodes d'essai - Partie 1: prescriptions générales
NF X43-553*NF ISO 10396:2007 Stationary source emissions - Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systems.
NF X43-060-1*NF EN 13528-1:2003 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 1 : general requirements
NF EN 16429:2021 Émissions de sources fixes - Méthode de référence pour la détermination de la concentration de chlorure d'hydrogène gazeux (HCl) dans les effluents gazeux émis dans l'atmosphère par des installations industrielles
NF P78-473:2003 Glass in building - Insulating glass units - Part 3 : long term test method and requirements for gas leakage rate and for gas concentration tolerances.
NF M60-765:2012 Measurement of radioactivity in the environment - Air : radon-222 - Part 3 : spot measurement method of the potential alpha energy concentration of its short-lived decay products.
NF T60-214:1995 Animal and vegetable fats and oils. Determination of conventional mass per volume ("litre weight in air").
NF X43-246-3*NF EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3 : performance requirements for apparatus used for general gas detection
NF E29-684:2012 Gas cylinders - Taper screw thread for valve stem and cylinder neck assembly - Nominal diameter 26, Taper 1/16 (3 o 34'), 14 Tpi NPT.
NF E29-684:2015 Gas cylinders - Taper screw thread for valve stem and cylinder neck assembly - Nominal diameter 26, Taper 1/16 (3o 34'), 14 Tpi NPT
NF X43-029-5*NF EN 14662-5:2005 Ambient air quality - Standard method for measurement of benzene concentrations - Part 5 : diffusive sampling followed by solvent desorption and gas chromatography.
NF X43-060-3*NF EN 13528-3:2004 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 3 : guide to selection, use and maintenance.
NF E29-679:1981 Gas cylinders. Taper screw thread for valve stem and cylinder neck assembly. Nominal diameter 16.4 - Taper 3/20, 14 TPI SI. Gauge requirements.
NF EN 1279-3:2018 Verre dans la construction - Vitrage isolant - Partie 3 : méthode d'essai à long terme pour le débit de fuite et prescriptions pour les tolérances de concentration en gaz
NF S76-020-13*NF ISO 16900-13:2016 Respiratory protective devices - Methods of test and test equipment - Part 13 : RPD using regenerated breathable gas and special application minig escape RPD : Consolidated test for gas concetration, tempature, humidity, work of breathing, breathing resis
NF M60-312:1999 Nuclear energy. Measurement of environmental radioactivity-Air. Determination by liquid scintillation of the activity concentration of atmospheric tritium sampled by the sparging technique (air through water).
FD X43-070-3:2008 Air quality - Practical guidance for estimating the uncertainty of measurement on polluant concentration in ambient air - Part 3 : Estimation of the uncertainties on measurements of benzene conducted in situ by diffusion tube followed by a thermal desorpt

海关总署, Gas Concentration Unit

SN/T 5162-2019 Determination of limited oxygen concentrations for flammable gases and vapors

American Society for Testing and Materials (ASTM), Gas Concentration Unit

ASTM E2079-01 Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
ASTM E2079-00 Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
ASTM D6057-96(2001)e1 Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Phase Contrast Microscopy
ASTM D6057-96 Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Phase Contrast Microscopy
ASTM D6057-96(2006) Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Phase Contrast Microscopy
ASTM D4490-96 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM E2079-19 Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
ASTM E207-08(2015) Standard Test Method for Thermal EMF Test of Single Thermoelement Materials by Comparison with a Reference Thermoelement of Similar EMF-Temperature Properties
ASTM E207-08(2015)e1 Standard Test Method for Thermal EMF Test of Single Thermoelement Materials by Comparison with a Reference Thermoelement of Similar EMF-Temperature Properties
ASTM D4599-03 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Length-of-Stain Dosimeters
ASTM D4599-97 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Length-of-Stain Dosimeters
ASTM D459-08 Standard Terminology Relating to Soaps and Other Detergents
ASTM D459-08a Standard Terminology Relating to Soaps and Other Detergents
ASTM D4599-14 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Length-of-Stain Dosimeters
ASTM D4599-03(2009)e1 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Length-of-Stain Dosimeters
ASTM E681-04 Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM E2079-07 Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
ASTM D4490-23 Red Standard Practice for the Use of Detector Tubes in the Measurement of Toxic Gases and Vapors (Standard + Redline PDF Bundle)
ASTM D4490-96(2001)e1 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM E681-09(2023) Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM E681-09(2015) Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM D4490-23 Standard Practice for the Use of Detector Tubes in the Measurement of Toxic Gases and Vapors
ASTM D4490-96(2016) Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM D4490-96(2011) Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM C29/C29M-09 Standard Test Method for Bulk Density ("Unit Weight") and Voids in Aggregate
ASTM D4599-20 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Length-of-Stain Dosimeters
ASTM D4599-21 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Length-of-Stain Dosimeters
ASTM D4490-96(2006)e1 Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
ASTM C29/C29M-97 Standard Test Method for Bulk Density ("Unit Weight") and Voids in Aggregate
ASTM C29/C29M-97(2003) Standard Test Method for Bulk Density ("Unit Weight") and Voids in Aggregate
ASTM C29/C29M-17a Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate
ASTM D5835-95 Standard Practice for Sampling Stationary Source Emissions for the Automated Determination of Gas Concentrations
ASTM D5835-95(2001) Standard Practice for Sampling Stationary Source Emissions for the Automated Determination of Gas Concentrations
ASTM E681-85 Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM E681-98 Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM D6058-96(2011) Standard Practice for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment
ASTM D6058-96(2016) Standard Practice for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment
ASTM D6007-02(2008) Standard Test Method for Determining Formaldehyde Concentration in Air from Wood Products Using a Small Scale Chamber
ASTM C29/C29M-23 Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate
ASTM E2079-07(2013) Standard Test Methods for Limiting Oxygen 40;Oxidant41; Concentration in Gases and Vapors
ASTM D5835-20 Standard Practice for Sampling Stationary Source Emissions for the Automated Determination of Gas Concentrations
ASTM C29/C29M-17 Standard Test Method for Bulk Density (&x201c;Unit Weight&x201d;) and Voids in Aggregate
ASTM C29/C29M-16 Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate
ASTM D5835-95(2013) Standard Practice for Sampling Stationary Source Emissions for the Automated Determination of Gas Concentrations
ASTM E611-92 Test Methods for Low Concentrations of Diethylene Glycol in Ethylene Glycol by Gas Chromatography
ASTM E2269-21 Standard Test Method for Determining Argon Concentration in Sealed Insulating Glass Units using Gas Chromatography
ASTM D6057-96(2011) Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Phase Contrast Microscopy
ASTM C138/C138M-01a Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-07 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-08 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-09 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-16a Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM D2167-94(2001) Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method
ASTM C138/C138M-10 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-17a Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-13a Standard Test Method for Density lpar;Unit Weightrpar;, Yield, and Air Content lpar;Gravimetricrpar; of Concrete
ASTM D6056-96(2011) Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Transmission Electron Microscopy
ASTM D3465-21 Standard Guide for Purity of Monomeric Plasticizers by Gas Chromatography
ASTM C1742-17 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Double Standard Single-Collector Gas Mass Spectrometer Method
ASTM D2167-94 Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method
ASTM C138/C138M-10b Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM C138/C138M-12 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM D2167-15 Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method
ASTM C138/C138M-13 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM D2167-08 Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method
ASTM C138/C138M-23 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM D605-82(1996)e1 Standard Specification for Magnesium Silicate Pigment (Talc)
ASTM D6059-96(2011) Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Scanning Electron Microscopy
ASTM E2323-04 Standard Test Method for Calculating the Concentration of Fill Gas in a Sealed Insulating Glass Unit Using Measurements From an Oxygen Analyzer
ASTM C138/C138M-10a Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
ASTM D5220/D5220M-21 Standard Test Method for Water Mass per Unit Volume of Soil and Rock In-Place by the Neutron Depth Probe Method
ASTM D5220-14 Standard Test Method for Water Mass per Unit Volume of Soil and Rock In-Place by the Neutron Depth Probe Method
ASTM D3465-00(2007)e1 Standard Test Method for Purity of Monomeric Plasticizers by Gas Chromatography
ASTM D3465-14 Standard Test Method for Purity of Monomeric Plasticizers by Gas Chromatography
ASTM D6023-02 Standard Test Method for Unit Weight, Yield, Cement Content, and Air Content (Gravimetric) of Controlled Low Strength Material (CLSM)
ASTM D6023-96 Standard Test Method for Unit Weight, Yield, Cement Content, and Air Content (Gravimetric) of Controlled Low Strength Material (CLSM)

Taiwan Provincial Standard of the People's Republic of China, Gas Concentration Unit

CNS 14820-2004 Method of test for measuring toxic gases generated by solid material flammability － Gas detector tube
CNS 11151-1984 Method of Test for Unit Weight, Yield, and Air Content (Gravimetric) of Concrete

YU-JUS, Gas Concentration Unit

JUS H.F8.101-1987 Gases. Sampling and transfer eguipment forgases supplying an analitical unit
JUS H.B8.041-1984 Liquid chemical products. Measurement of colour in Hazen units (platinum-cobalts scale). Colorimetric method

ESDU - Engineering Sciences Data Unit, Gas Concentration Unit

ESDU 72018-1972 Atmospheric data for performance calculations. Addendum: height in feet@ data in SI units.

American National Standards Institute （ANSI), Gas Concentration Unit

ANSI/ASTM D6058:2001 Practice for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment
ANSI/ASTM D6057:2001 Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Phase Contrast Microscopy
ANSI/ASTM D6059:2001 Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Scanning Electron Microscopy
ANSI/ASTM D6056:2001 Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Transmission Electron Microscopy

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Gas Concentration Unit

GB/T 13701-1992 Isotopic analysis of uranium by single-standard gas mass-spectrometer method
GB/T 21844-2008 Standard test method for concentration limits of flammability of chemicals(vapors and gases)
GB/T 13277.8-2023 Compressed air part 8: Methods of measurement of mass concentration of solid particles

Group Standards of the People's Republic of China, Gas Concentration Unit

T/NAIA 0193-2023 Determination of Concentration and Purity of Single-chain Antibody Eukaryotic Expression Plasmid DNA by UV Spectrophotometry
T/LCAA 005-2021 Determination of methane, nitrous oxide and carbon dioxide concentrations in gases——gas chromatography method
T/SBX 041-2021 Determination of Purity of Tricyclic Alkyne Liquid Crystal Monomer by Gas Chromatography
T/SBX 044-2021 Determination of Purity of Terphenyl Liquid Crystal Monomers by Gas Chromatography
T/SBX 070-2022 Determination of Purity of Alkyl Biphenyl Liquid Crystal Monomers by Gas Chromatography
T/EERT 012.3-2021 Technical guideline for synergistic treatment of volatile organic waste gas Part 3：Biopurification as the main body
T/EERT 012.2-2021 Technical guideline for synergistic treatment of volatile organic waste gas Part 2: Adsorption as the main body
T/SBX 042-2021 Determination of Purity of Bicyclohexylbiphenyl Liquid Crystal Monomers by Gas Chromatography
T/SBX 069-2022 Determination of Purity of Alkylcyclohexylbiphenyl Liquid Crystal Monomers by Gas Chromatography

British Standards Institution (BSI), Gas Concentration Unit

BS EN 1279-3:2018 Tracked Changes. Glass in building. Insulating glass units. Long term test method and requirements for gas leakage rate and for gas concentration tolerances
BS EN ISO 10062:2008 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
BS EN ISO 10062:2022 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
BS 6069-1:1994 Characterization of air quality - Units of measurement
BS ISO 13641-2:2003 Water quality. Determination of inhibition of gas production of anaerobic bacteria. Test for low biomass concentrations
BS ISO 19747:2020 Fertilizers and soil conditioners. Determination of monosilicic acid concentrations in nonliquid fertilizer materials
BS ISO 20766-17:2022 Road vehicles. Liquefied petroleum gas (LPG) fuel system components - Gas dosage unit
18/30303624 DC BS ISO 19747. Fertilizers and soil conditioners. Determination of monosilicic acid concentrations in nonliquid fertilizer materials
20/30402136 DC BS ISO 19747. Fertilizers and soil conditioners. Determination of monosilicic acid concentrations in nonliquid fertilizer materials
BS EN 14412:2004 Indoor air quality - Diffusive samplers the determination of concentrations of gases and vapours - Guide for selection, use and maintenance
BS EN 14412:2004(2009) Indoor air quality - Diffusive samplers the determination of concentrations of gases and vapours - Guide for selection, use and maintenance
BS 5339:1976 Method of measurement of colour in Hazen units (platinum-cobalt scale) of liquid chemical products
BS ISO 8573-8:2004 Compressed air - Test methods for solid particle content by mass concentration
BS EN 14662-3:2015 Tracked Changes. Ambient air. Standard method for the measurement of benzene concentrations. Automated pumped sampling with in situ gas chromatography
BS EN 50676:2019 Electrical equipment used for detection and concentration measurement of refrigerant gases. Performance requirements and test methods
BS EN 1279-3:2002 Glass in building - Insulating glass units - Long term test method and requirements for gas leakage rate and for gas concentration tolerances
BS EN 1279-3:2003 Glass in building - Insulating glass units - Long term test method and requirements for gas leakage rate and for gas concentration tolerances
BS EN 14789:2017 Tracked Changes. Stationary source emissions. Determination of volume concentration of oxygen. Standard reference method: Paramagnetism
BS ISO 10396:2007 Stationary source emissions - Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systems
BS EN 13528-1:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - General requirements
BS EN 13528-3:2003 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Guide to selection, use and maintenance
BS EN 13528-3:2003(2008) Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Guide to selection, use and maintenance
BS ISO 20264:2019 Stationary source emissions. Determination of the mass concentration of individual volatile organic compounds (VOCs) in waste gases from non-combustion processes
19/30392191 DC BS EN 50676. Electrical equipment used for detection and concentration measurement of refrigerant gases or SF6 Performance requirements and test methods.
18/30356945 DC BS EN 50676. Electrical equipment used for detection and concentration measurement of refrigerant gases or SF6. Performance requirements and test methods
21/30404423 DC BS ISO 20766-17. Road vehicles. Liquefied petroleum gas (LPG) fuel system components. Part 17. Gas dosage unit
BS EN 3475-801:2002 Aerospace series - Cables, electrical, aircraft use - Test methods - Capacitance per unit length
16/30287218 DC BS ISO 19021. Test method for determination of gas concentrations in ISO 5659-2 using Fourier transform infrared spectroscopy
BS EN 45544-3:2015 Tracked Changes. Workplace atmospheres. Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours. Performance requirements for apparatus used for general gas detection
BS EN 13528-2:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Specific requirements and test methods

German Institute for Standardization, Gas Concentration Unit

DIN EN 1839:2017-04 Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours; German version EN 1839:2017 / Note: DIN EN 1839 (2012-12) and DIN EN 14756 (2007-02) remain valid alongside this standard until 2018-01-11.
DIN EN 1839:2017 Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours
DIN EN ISO 10062:2008 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2006); English version of DIN EN ISO 10062:2008-04
DIN EN 14412:2004 Indoor air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Guide for selection, use and maintenance; German version EN 14412:2004
DIN EN ISO 10062:2023 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2022)
DIN EN ISO 10062:2023-03 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2022); German version EN ISO 10062:2022
DIN EN 14662-3:2016-02 Ambient air - Standard method for the measurement of benzene concentrations - Part 3: Automated pumped sampling with in situ gas chromatography; German version EN 14662-3:2015
DIN VDE 0405-4:2005 Determination of the breath alcohol concentration - Part 4: Testing of evidential breath analyzers by using calibration gas
DIN EN 14789:2017-05 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism; German version EN 14789:2017
DIN EN 45544-3:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentrations well above limit values; German v
DIN EN 1279-3:2018 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances
DIN EN 1279-3:2018-10 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances; German version EN 1279-3:2018
DIN EN 45544-2:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for measuring concentrations in the region of limit values; Ge
DIN EN 14412:2004-12 Indoor air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Guide for selection, use and maintenance; German version EN 14412:2004
DIN EN ISO 6883:2017-05 Animal and vegetable fats and oils - Determination of conventional mass per volume (litre weight in air) (ISO 6883:2017); German version EN ISO 6883:2017
DIN EN 13528-3:2004 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Part 3: Guide to selection, use and maintenance; German version EN 13528-3:2003
DIN EN 13528-3:2004-04 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Part 3: Guide to selection, use and maintenance; German version EN 13528-3:2003
DIN EN ISO 10062/A1:2023-11 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) - Amendment 1: Footnote of warning (ISO 10062:2022/DAM 1:2023); German and English version EN ISO 10062:2022/prA1:2023 / Note: Date of issue 2023-09-29*Intended as...
DIN EN 50676:2020 Electrical equipment used for detection and concentration measurement of refrigerant gases - Performance requirements and test methods; German version EN 50676:2019
DIN EN 1279-3:2003 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances; German version EN 1279-3:2002
DIN EN 13528-2:2002-12 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours; Requirements and test methods - Part 2: Specific requirements and test methods; German version EN 13528-2:2002
DIN EN 45544-1:2000 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods; German version EN 45544-1:1999

Professional Standard - Nuclear Industry, Gas Concentration Unit

EJ/T 20057-2014 Determination of uranium concentration in atmospheric fallout.Liquid fluorometry by ultraviolet

European Committee for Standardization (CEN), Gas Concentration Unit

EN ISO 10062:1995 Corrosion Tests in Artificial Atmosphere at Very Low Concentrations of Polluting Gas(es) (ISO 10062 : 1991)
EN ISO 10062:2022 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2022)
EN ISO 10062:2008 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2006)
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 864:1996 Medical Electrical Equipment - Capnometers for Use with Humans - Particular Requirements
EN 1839:2017 Determination of the explosion limits and the limiting oxygen concentration(LOC) for flammable gases and vapours
EN 14789:2005 Stationary source emissions - Determination of volume concentration of oxygen (O2) - Reference method - Paramagnetism
EN 14789:2017 Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism
EN 14412:2004 Indoor air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Guide for selection, use and maintenance
EN 45544-3:1999 Workplace Atmospheres - Electrical Apparatus Used for the Direct Detection and Direct Concentration Measurement of Toxic Gases and Vapours - Part 3: Performance Requirements for Apparatus Used for Measuring Concentrations Well Above Limit Values
EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for general gas detection
EN 13528-1:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours; Requirements and test methods - Part 1: General requirements
EN 1279-3:2002 Glass in building Insulating glass units Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances
EN 1279-3:2018 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances
EN ISO/TS 11665-12:2021 Measurement of radioactivity in the environment - Air: radon-222 - Part 12: Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method
EN 13649:2001 Stationary Source Emissions - Determination of the Mass Concentration of Individual Gaseous Organic Compounds - Activated Carbon and Solvent Desorption Method
EN 13528-2:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours; Requirements and test methods - Part 2: Specific requirements and test methods
EN 13528-3:2003 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 3: Guide to selection, use and maintenance

KR-KS, Gas Concentration Unit

KS D ISO 10062-2019 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)

中国气象局, Gas Concentration Unit

QX/T 353-2016 Standards for the preparation of annual reports of meteorological information service units

Shanghai Provincial Standard of the People's Republic of China, Gas Concentration Unit

DB31/ 757-2020 Industrial Gas Air Separation Unit Product Energy Consumption Quota
DB31/ 757-2013 Industrial Gas Air Separation Unit Product Energy Consumption Quota

VDI - Verein Deutscher Ingenieure, Gas Concentration Unit

VDI 2465 BLATT 1-1971 AUSWERTEN VON STAUBKONZENTRATIONSMESSUNGEN IN STROEMENDEN GASEN; KONTINUIERLICHE PROZESSE

ES-UNE, Gas Concentration Unit

UNE-EN ISO 10062:2023 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es) (ISO 10062:2022)
UNE-EN 14662-3:2016 Ambient air - Standard method for the measurement of benzene concentrations - Part 3: Automated pumped sampling with in situ gas chromatography
UNE-EN 50676:2019 Electrical equipment used for detection and concentration measurement of refrigerant gases - Performance requirements and test methods (Endorsed by Asociación Española de Normalización in February of 2020.)
UNE-EN 1279-3:2019 Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances
UNE-EN ISO 6883:2017 Animal and vegetable fats and oils - Determination of conventional mass per volume (litre weight in air) (ISO 6883:2017)
UNE-EN 45544-3:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 3: Performance requirements for apparatus used for general gas detection (Endorsed by AENOR in March of 20...
UNE-EN 3475-801:2002 Aerospace series. Cables, electrical, aircraft use. Test methods. Part 801: Capacitance per unit length (Endorsed by AENOR in August of 2002.)
UNE-EN 45544-1:2015 Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 1: General requirements and test methods (Endorsed by AENOR in March of 2015.)

GOSTR, Gas Concentration Unit

GOST R 57844-2017 Composites. Determination of density by volumetric displacement - skeleton density by gas pycnometry

Professional Standard - Petroleum, Gas Concentration Unit

SY/T 6475-2000 Dimensions and masses per unit length of steel pipe for petroleum and natural gas
SY 6475-2000 Dimensions and weight per unit length of steel pipes for oil and gas transmission

AR-IRAM, Gas Concentration Unit

IRAM 1562-1948

Hebei Provincial Standard of the People's Republic of China, Gas Concentration Unit

DB13/T 5611-2022 Industrial gas air separation product unit comprehensive power consumption limit
DB13/T 5222-2020 Determination of Purity of Nematic Thermotropic Liquid Crystal Monomer by Gas Chromatography

VN-TCVN, Gas Concentration Unit

TCVN 5754-1993 Work place air.Methods for determination of mass concentration of toxic gases and vapours.General sampling methods
TCVN 7241-2003 Health care solid waste incinerators.Determination method of dusts concentration in fluegas
TCVN 7244-2003 Health care solid waste incinerators.Determination method of hydrochloric acid concentration (HCI) in fluegas
TCVN 7558-2-2005 Solid waste incinerators.Determination of total concentration of organic compounds in fluegas.Part 2: Turbidity method
TCVN 7243-2003 Health care solid waste incinerators.Determination method of hydrofloride acid concentration (HF) in fluegas
TCVN 7242-2003 Health care solid waste incinerators.Determination method of carbon monoxide concentration (CO) in fluegas
TCVN 7246-2003 Health care solid waste incinerator.Determination method of sulfur dioxides (SO2) concentration in fluegas
TCVN 7558-1-2005 Solid waste incinerators.Determination of total concentration of organic compounds in fluegas.Part 1: Spectrophotometry method
TCVN 7245-2003 Health care solid waste incinerator.Determination method of nitrogen oxides (NOx) concentration in fluegas
TCVN 6192-2010 Stationary source emmissions.Sampling for the automated determination of gas emission concentrations for permanently.installed monitoring systems

HU-MSZT, Gas Concentration Unit

MSZ 21861/3-1978

European Committee for Electrotechnical Standardization（CENELEC）, Gas Concentration Unit

EN 50676:2019 Electrical equipment used for detection and concentration measurement of refrigerant gases - Performance requirements and test methods
EN 45544-2:1999 Workplace Atmospheres - Electrical Apparatus Used for the Direct Detection and Direct Concentration Measurement of Toxic Gases and Vapours - Part 2:Performance Requirements for Apparatus Used for Measuring Concentrations in the Region of Limit Values

Professional Standard - Energy, Gas Concentration Unit

NB/T 20031-2021 Control of Combustible Gas Concentration in Containment after Accident of PWR Nuclear Power Plant

Canadian General Standards Board （CGSB), Gas Concentration Unit

CGSB 1-GP-71 METH 2.1-1995 Methods of Testing Paints and Pigments Density (Mass Per Unit Volume)

NL-NEN, Gas Concentration Unit

NVN 2824-1994 Air quality.Ambient air.Determination of the concentration of nitric acid,hydrochloric acid,ammonia and sulphur dioxide as gases.Rotating denuder method
NEN 2931-1993 Air quality. Workplace atmosphere. Determination of the concentration of vinylchloride by active sorbent tube sampling, liquid desorption and gas chromatography
NVN 2963-1992 Air quality. Workplace atmosphere. Determination of the concentration of aliphatich hydrocarbons by gas diffusive sampling with a dosemeter, thermal desorption and gas chromatography
NVN 2957-1992 Air quality. Workplace atmosphere. Determination of the concentration of vaporous aromatic hydrocarbons by gas diffusive sampling with a dosemeter, liquid desorption and gas chromatography
NVN 2959-1992 Air quality. Workplace atmosphere. Determination of the concentration of vaporous aromatic hydrocarbons by gas diffusive sampling with a dosemeter, thermal desorption and gas chromatography
NVN 2962-1992 Air quality. Workplace atmosphere. Determination of the concentration of aliphatich hydrocarbons by gas diffusive sampling with a dosemeter, liquid desorption and gas chromatography

IT-UNI, Gas Concentration Unit

UNI S 8-1941
UNI CEN ISO/TS 11665-12:2021 Measurement of radioactivity in the environment - Air: radon-222 - Part 12: Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method

Zhejiang Provincial Standard of the People's Republic of China, Gas Concentration Unit

DB33/ 766-2015 Comprehensive power consumption quota and calculation method of industrial gas air separation unit products

Jiangsu Provincial Standard of the People's Republic of China, Gas Concentration Unit

DB32/T 3197-2017 Comprehensive power consumption quota and calculation method of industrial gas air separation unit products

BE-NBN, Gas Concentration Unit

NBN T 96-201-1986 Workplace atmospheres - Determination of ethylene oxide concentration - Activated charcoal adsorption/solvent desorption/gas chromatographic method

AT-OVE/ON, Gas Concentration Unit

OVE EN 50676-2021 Electrical equipment used for detection and concentration measurement of refrigerant gases - Performance requirements and test methods (german version)

FI-SFS, Gas Concentration Unit

SFS 5332-1987

AASHTO - American Association of State Highway and Transportation Officials, Gas Concentration Unit

T 19M/T 19-2000 Standard Method of Test for Bulk Density ( Unit Weight ) and Voids in Aggregate
T 121M/T 121-2012 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete
T 121M/T 121-2005 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete
T 121M/T 121-2016 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete
T 121M/T 121-2011 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete
T 121M/T 121-2017 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete
T 121M/T 121-2009 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete
T 121M/T 121-2015 Standard Method of Test for Density (Unit Weight)@ Yield@ and Air Content (Gravimetric) of Concrete

CENELEC - European Committee for Electrotechnical Standardization, Gas Concentration Unit

PREN 50676-2019 Electrical equipment used for detection and concentration measurement of refrigerant gases or SF6 Performance requirements and test methods
PREN 50676-2018 Electrical equipment used for detection and concentration measurement of refrigerant gases or SF6 Performance requirements and test methods

Defense Logistics Agency, Gas Concentration Unit

DLA SMD-5962-89446-1991 MICROCIRCUIT, DIGITAL, CMOS, 8-BIT VARIABLE LENGTH SHIFT REGISTERS, MONOLITHIC SILICON

The American Road & Transportation Builders Association, Gas Concentration Unit

AASHTO T19/T19M-2000 Standard Method of Test for Bulk Density ("Unit Weight") and Voids in Aggregate Twentieth Edition; ASTM C29/C29M-97 R(1997)
AASHTO T 121M/T 121-2016 Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
AASHTO T 121M/T 121-2011 Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
AASHTO T 121M/T 121-2015 Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete

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, Gas Concentration Unit

GB/T 33916-2017 Animal and vegetable fats and oils—Determination of conventional mass per volume (liter weight in air)

Professional Standard - Environmental Protection, Gas Concentration Unit

HJ 1247-2022 Self-monitoring Technical Guidelines for Pollutant Discharging Units Coal Processing—Syngas and Liquid Fuel Production

SE-SIS, Gas Concentration Unit

SIS SS 02 84 26-1991 Air quality — Stationary source emissions — Determination of concentration and mass flow rate of particulate material in gas-carrying ducts — Manual gravimetric metod

NO-SN, Gas Concentration Unit

NS 4859-1983 Air quality - Emission measurement - Manual determination of concentration of sulphur trioxide/sulphuric acid and sulphur dioxide in dustladen gases - Isopropanol method

US-FCR, Gas Concentration Unit

FCR FED HANDBOOK 69-1963 MAXIMUM PERMISSIBLE BODY BURDENS AND MAXIMUM PERMISSIBLE CONCENTRATIONS OF RADIONUCLIDES IN AIR AND IN WATER FOR OCCUPATIONAL EXPOSURE