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Relative Molecular Weight Calculation

Relative Molecular Weight Calculation, Total:288 items.

In the international standard classification, Relative Molecular Weight Calculation involves: Products of the chemical industry, Crude petroleum, Petroleum products in general, Measurement of volume, mass, density, viscosity, Microprocessor systems, Fuels, Natural gas, Photography, Analytical chemistry, Electricity. Magnetism. Electrical and magnetic measurements, Optics and optical measurements, Linear and angular measurements, Earthworks. Excavations. Foundation construction. Underground works, Non-ferrous metals, Organic chemicals, Particle size analysis. Sieving, Spices and condiments. Food additives, IT terminal and other peripheral equipment, Applications of information technology, Audio, video and audiovisual engineering, Test conditions and procedures in general, Equipment for petroleum and natural gas industries, Medical equipment, Industrial furnaces, Power transmission and distribution networks, Energy and heat transfer engineering in general, Electrical wires and cables, Acoustics and acoustic measurements, Protection against fire, Construction materials, Civil engineering in general, Radiation measurements, Screw threads, Rotating machinery, Insulating materials, Electrical engineering in general, Animal feeding stuffs, Fasteners, Lubricants, industrial oils and related products, Biology. Botany. Zoology, Computer graphics, Installations in buildings, Document imaging applications, Shafts and couplings, General methods of tests and analysis for food products, Edible oils and fats. Oilseeds, Cereals, pulses and derived products, Water quality, Ventilators. Fans. Air-conditioners, Electrical and electronic testing, Glass, Wastes.

RU-GOST R, Relative Molecular Weight Calculation

GOST R 50061-1992 Surface active agents. Sulfated ethoxylated alcohols and alkylphenols. Estimation of the mean relative molecular mass
GOST R 54751-2011 Food common salt. Calculation method for determination (measurement) of the principal substance by saline composition
GOST R 8.769-2011 State system for ensuring the uniformity of measurements. Natural gas. Compression factor of gas phase. Method of calculation based on gas physical properties
GOST R IEC/TR 61948-2-2008 Nuclear medicine instrumentation. Routine tests. Part 2. Scintillation cameras and single photon emission computed tomography imaging
GOST 13.1.703-1991 Reprography. Micrography. Test-charts for image quality inspection computer output microform
GOST ISO 1940-2-1999 Mechanical vibration. Balance quality requirements of rigid rotors. Part 2. Balance errors

American Society for Testing and Materials (ASTM), Relative Molecular Weight Calculation

ASTM D2502-04(2009) Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
ASTM D2502-92(1996) Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
ASTM D2502-12 adjunct(2020) Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
ASTM D2502-04 Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
ASTM D2502-92(2002) Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
ASTM UOP948-07 Relative Density of Gas Mixtures by Calculation From Composition
ASTM UOP948-96 Relative Density of Gas Mixtures by Calculation From Composition
ASTM D2502-14(2019) Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
ASTM D2502-14(2019)e1 Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
ASTM D2502-14 Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
ASTM UOP375-86 Calculation of UOP Characterization Factor and Estimation of Molecular Weight of Petroleum Oils
ASTM D3588-98(2017)e1 Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels
ASTM D3588-98(2011) Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels
ASTM UOP375-07 Calculation of UOP Characterization Factor and Estimation of Molecular Weight of Petroleum Oil
ASTM D2503-92(2002)e1 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D2503-92(2007) Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D2503-92(2012) Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D4254-00(2006)e1 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
ASTM D4254-00 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
ASTM D4254-00(2006) Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
ASTM D4254-14 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
ASTM D4254-16 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
ASTM D2503-82(1987)e1 Standard Test Method for Molecular Weight (Relative Molecular Mass) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D2503-92(1997) Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D2503-92(2016) Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM E2426-10 Standard Practice for Pulse Counting System Dead Time Determination by Measuring Isotopic Ratios with SIMS
ASTM D5877-95(2000) Standard Guide for Displaying Results of Chemical Analyses of Ground Water for Major Ions and Trace Elements-Diagrams Based on Data Analytical Calculations
ASTM D5877-95(2005) Standard Guide for Displaying Results of Chemical Analyses of Groundwater for Major Ions and Trace ElementsDiagrams Based on Data Analytical Calculations

National Electrical Manufacturers Association（NEMA), Relative Molecular Weight Calculation

NEMA C12.24 TR-2011 Definitions for Calculations of VA, VAh, VAR, and VARh for Poly-Phase Electricity Meters

Taiwan Provincial Standard of the People's Republic of China, Relative Molecular Weight Calculation

CNS 14765-2003 Standard practice for calculating heat value, compressibility factor, and relative density of gaseous fuels

Universal Oil Products Company (UOP), Relative Molecular Weight Calculation

UOP 948-2007 RELATIVE DENSITY OF GAS MIXTURES BY CALCULATION FROM COMPOSITION
UOP 375-2007 CALCULATION OF UOP CHARACTERIZATION FACTOR AND ESTIMATION OF MOLECULAR WEIGHT OF PETROLEUM OILS

Professional Standard - Electron, Relative Molecular Weight Calculation

SJ/T 9528-1993 Electronic calculator--Quality grading standard
SJ/T 9527-1993 Digital micro-computer--Quality grading standard
SJ/T 9530-1993 CRT display for digital computers--Quality grading standard
SJ/T 9531-1993 CRT display terminations for digital computers--Quality grading standard

European Telecommunications Standards Institute (ETSI), Relative Molecular Weight Calculation

ETSI GR QSC 006-2017 Quantum-Safe Cryptography (QSC); Limits to Quantum Computing applied to symmetric key sizes (V1.1.1)
ETSI EG 203 310-2016 CYBER; Quantum Computing Impact on security of ICT Systems; Recommendations on Business Continuity and Algorithm Selection (V1.1.1)

ETSI - European Telecommunications Standards Institute, Relative Molecular Weight Calculation

GR QSC 006-2017 Quantum-Safe Cryptography (QSC); Limits to Quantum Computing applied to symmetric key sizes (V1.1.1)
EG 203 310-2016 CYBER; Post Quantum Computing Impact on ICT Systems; Recommendations on Business Continuity and Algorithm Selection (V1.0.0)

TN-INNORPI, Relative Molecular Weight Calculation

NT 14.36-1983

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Relative Molecular Weight Calculation

GB/T 11062-2014 Natural gas.Calculation of calorific values, density, relative density and Wobbe index
GB/T 11062-1998 Natural gas--Calculation of calorific values, density, relative density and Wobbe index from composition
GB 11062-2020 Calculation methods for natural gas calorific value, density, relative density and Wobbe index
GB/T 17282-1998 Method for estimation of molecular weight (relative molecular mass) of petroleum oils from viscosity measurements
GB/T 17282-2012 Test method for estimation of mean relative molecular mass of petroleum oils from viscosity measurements
GB/T 13530.3-1992 Sodium ethoxylated alkyl sulfate--Determination of the mean relative molecular mass
GB/T 5177.3-1985 Determination of mean relative molecular mass for industrial alkylbenzene--Gas-liquid chromatographic method
GB/T 26915-2011 Determination of energy conversion efficiency and quantum yield for hydrogen production in the solar photocatalytic water splitting system
GB/T 5178-1985 Determination of mean relative molecular mass for technical straight-chain sodium alkyl benzene sulphonates--Gas-liquid chromatographic method
GB/T 11988-1989 Surface active agent--Technical alkane sulfonates--Determination of mean relative molecular mass and content of alkane monosulfonates
GB/T 20013.2-2005 Nuclear medicine instrumentation.Routine test.Part 2:Scintillation cameras and single photon emission computed tomography imaging
GB/T 11988-2008 Surface active agents-Technical alkane sulfonates-Determination of mean relative molecular mass and content of the alkane monosulfonate
GB/T 5178-2008 Surface active agentsm-Determination of mean relative molecular mass for technical straight-chain sodium alkylbenzenesulfonates-- Gas-liquid chromatographic method
GB/T 30702-2014 Surface chemical analysis.Auger electron spectroscopy and X-ray photoelectron spectroscopy.Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials

国家市场监督管理总局、中国国家标准化管理委员会, Relative Molecular Weight Calculation

GB/T 11062-2020 Natural gas—Calculation of calorific values, density, relative density and Wobbe indices from composition
GB/T 34077.2-2021 Management specification of electronic government common platform based on cloud computing—Part 2：Services metrics and valuation
GB/T 11026.10-2019 Electrical insulating materials—Thermal endurance properties—Part 10: Accelerated determination of relative thermal endurance using analytical test methods(RTEA)—Instructions for calculation based on activation energy
GB/T 40816.11-2021 Industrial furnaces and associated processing equipment—Method of measuring energy balance and calculating energy efficiency—Part 11: Evaluation of various kinds of efficiency

KR-KS, Relative Molecular Weight Calculation

KS M ISO 6843-2008 Surface active agents－Sulfated ethoxylated alcohols and alkylphenols－Estimation of the mean relative molecular mass
KS B ISO 13579-1-2016 Industrial furnaces and associated processing equipment – Method of measuring energy balance and calculating efficiency – Part 1: General methodology
KS C IEC TR 61948-2-2021 Nuclear medicine instrumentation — Routine tests —Part 2: Scintillation cameras and single photon emission computed tomography imaging
KS C IEC TR 61948-2-2018 Nuclear medicine instrumentation — Routine tests — Part 2: Scintillation cameras and single photon emission computed tomography imaging
KS C IEC 62087-7-2022 Audio, video, and related equipment — Determination of(Methods of measurement for) power consumption — Part 7: Computer monitors
KS B ISO 13579-2-2016 Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 2: Reheating furnaces for steel
KS B ISO 13579-3-2016 Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 3: Batch-type aluminium melting furnaces
KS M ISO 6841-2007(2023) Surface active agents－Technical straight-chain sodium alkylbenzenesulfonates－Determination of mean relative molecular mass by gas-liquid chromatography
KS B ISO 10360-6-2019 Geometrical Product Specifications(GPS) — Acceptance and reverification tests for coordinate measuring machines(CMM) — Part 6: Estimation of errors in computing Gaussian associated features
KS B ISO 13579-4-2016 Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 4: Furnaces with protective or reactive atmosphere
KS M ISO 6845-2007(2023) Surface active agents－Technical alkane sulfonates－Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content

Professional Standard - Commodity Inspection, Relative Molecular Weight Calculation

SN/T 3002-2011 Determication of relative molecular weight and molecular weight distribution of polyethylene.Gel permeation chromatography method
SN/T 4183-2015 Determination of relative molecular weight and molecular weight distribution of polyolefins.High temperature gel permeation chromatography method

Danish Standards Foundation, Relative Molecular Weight Calculation

DS/EN ISO 6976:2005 Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition
DS/IEC/TR 61948-2:2003 Nuclear medicine instrumentation - Routine tests - Part 2: Scintillation cameras and single photon emission computed tomography imaging
DS/EN 12766-2:2001 Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation of polychlorinated biphenyl (PCB) content
DS/EN 15984:2011 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
DS/EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content

International Organization for Standardization (ISO), Relative Molecular Weight Calculation

ISO 3028:1974 Photography — Expendable photoflash lamps — Determination of relative spectral energy distribution for calculation of spectral distribution index
ISO 10360-6:2001 Geometrical Product Specifications (GPS) - Acceptance and reverification tests for coordinate measuring machines (CMM) - Part 6: Estimation of errors in computing Gaussian associated features
ISO 9276-5:2005 Representation of results of particle size analysis - Part 5: Methods of calculation relating to particle size analyses using logarithmic normal probability distribution
ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition
ISO 6841:1983 Surface active agents — Technical straight-chain sodium alkylbenzenesulphonates — Determination of mean relative molecular mass — Gas-liquid chromatographic method
ISO 13579-1:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 1: General methodology
ISO 13579-2:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 2: Reheating furnaces for steel
ISO 6843:1988 Surface active agents; sulfated ethoxylated alcohols and alkylphenols; estimation of the mean relative molecular mass
ISO 13579-3:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 3: Batch-type aluminium melting furnaces
ISO 6845:1982 Surface active agents — Technical alkane sulphonates — Determination of mean relative molecular mass of alkane monosulphonates
ISO 6841:1988 Surface active agents; technical straight-chain sodium alkylbenzenesulfonates; determination of mean relative molecular mass by gas-liquid chromatography
ISO 13579-4:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 4: Furnaces with protective or reactive atmosphere
ISO 13579-11:2017 Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating energy efficiency — Part 11: Evaluation of various kinds of efficiency
ISO 18118:2004 Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials
ISO 18118:2015 Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials
ISO/DIS 18118:2023 Surface chemical analysis — Auger electron spectroscopy and X-ray photoelectron spectroscopy — Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials
ISO/FDIS 18118:2023 Surface chemical analysis — Auger electron spectroscopy and X-ray photoelectron spectroscopy — Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials
ISO 10360-6:2001/cor 1:2007 Geometrical Product Specifications (GPS) - Acceptance and reverification tests for coordinate measuring machines (CMM) - Part 6: Estimation of errors in computing Gaussian associated features; Technical Corrigendum 1
ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
ISO/FDIS 5222-1 Heat recovery ventilators and energy recovery ventilators — Testing and calculating methods for seasonal performance factor — Part 1: Sensible heating recovery seasonal performance factors of HRV
ISO/CD 5222-2 Heat recovery ventilators and energy recovery ventilators — Testing and calculating methods for seasonal performance factor — Part 2: Sensible cooling recovery seasonal performance factors of HRV
ISO 6845:1989 Surface active agents; technical alkane sulfonates; determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
ISO 16531:2020 Surface chemical analysis — Depth profiling — Methods for ion beam alignment and the associated measurement of current or current density for depth profiling in AES and XPS

Professional Standard - Petrochemical Industry, Relative Molecular Weight Calculation

SH/T 0583-1994 Determination of relative molecular weight of hydrocarbons (thermoelectric measurement of vapor pressure method)

ES-AENOR, Relative Molecular Weight Calculation

UNE 55-842-1990
UNE 55-807-1991 Surface active agents. Technical alkane sulfonates. Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
UNE 55-806-1990

Association Francaise de Normalisation, Relative Molecular Weight Calculation

NF X20-522:2005 Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition.
NF X20-522*NF EN ISO 6976:2017 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition
NF EN ISO 6976:2017 Gaz naturel - Calcul des pouvoirs calorifiques, de la masse volumique, de la densité relative et des indices de Wobbe à partir de la composition
NF X20-510-2*NF EN ISO 6974-2:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2 : uncertainty calculations
NF E11-150-6*NF EN ISO 10360-6:2002 Geometrical Product Specifications (GPS) - Acceptance and reverification tests for coordinate measuring machines (CMM) - Part 6 : estimation of errors in computing Gaussian associated features.
NF EN IEC 62087-7:2022 Appareils audio, vidéo et matériel connexe - Méthodes de mesure de la consommation de puissance - Partie 7 : Moniteurs d'ordinateurs
NF X20-510-1*NF EN ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1 : general guidelines and calculation of composition
NF ISO 6841:1988 Agents de surface - Alkylbenzène sulfonates de sodium linéaires techniques - Détermination de la masse moléculaire relative moyenne par chromatographie gaz-liquide.
NF E32-201-1*NF ISO 13579-1:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 1 : general methodology
NF ISO 13579-1:2013 Fours industriels et équipements thermiques associés - Méthode de mesure du bilan énergétique et de calcul de l'efficacité - Partie 1 : méthode générale
NF ISO 13579-2:2013 Fours industriels et équipements thermiques associés - Méthode de mesure du bilan énergétique et de calcul de l'efficacité - Partie 2 : fours de réchauffage pour acier
NF T73-241*NF ISO 6843:1988 Surface active agents. Sulfated ethoxylated alcohols and alkylphenols. Estimation of the mean relative molecular mass.
NF E32-201-2*NF ISO 13579-2:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 2 : reheating furnaces for steel
NF X70-103:2010 Generation and analysis of toxic gases in fire - Calculation of species yields, equivalence ratios and combustion efficiency in experimental fires.
NF ISO 13579-4:2013 Fours industriels et équipements associés - Méthode de mesure du bilan énergétique et de calcul de l'efficacité - Partie 4 : fours à atmosphère contrôlée ou active
NF EN ISO 6845:2003 Agents de surface - Alcanesulfonates techniques - Détermination de la masse moléculaire relative moyenne des alcanemonosulfonates et de leur teneur
NF ISO 6843:1988 Agents de surface - Sulfates d'alcools et d'alkylphenols éthoxylés - Évaluation de la masse moléculaire relative moyenne.
NF E32-201-3*NF ISO 13579-3:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 3 : batch-type aluminium melting furnaces
NF E32-201-4*NF ISO 13579-4:2013 Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating efficiency - Part 4 : furnaces with protective or reactive atmosphere
NF M07-143*NF EN 15984:2022 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
NF EN 12766-2:2002 Produits pétroliers et huiles usagées - Détermination des PCB et produits connexes - Partie 2 : calcul de la teneur en polychlorobiphényles (PCB)
NF EN ISO 10360-6:2002 Spécification géométrique des produits (GPS) - Essai de réception et de vérification périodique des machines à mesurer tridimensionnelles (MMT) - Partie 6 : estimation des erreurs dans le calcul des éléments associés Gaussiens
NF T60-184-2*NF EN 12766-2:2002 Petroleum products and used oils - Determination of PCBs and related products - Part 2 : calculation of polychlorinated biphenyl (PCB) content.
NF T73-238:1989 Surface active agents. Technical alkane sulfonates. Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content.
NF V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
NF T73-238*NF EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
NF M07-143:2011 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method.
NF M07-143:2017 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
NF X50-141-5:2019 Customer-supplier relations - Quality of demonstrations (tests, calculations, simulations, etc.) - Part 5 : guidelines to manage the risks associated to processes of demonstration
NF X31-038*NF EN 15934:2012 Sludge, treated biowaste, soil and waste - Calculation of dry matter fraction after determination of dry residue or water content.

Korean Agency for Technology and Standards (KATS), Relative Molecular Weight Calculation

KS I ISO 6976-2017(2022) Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
KS D ISO 11436:2001 Nickel and nickel alloys－Determination of total boron content －Curcumin molecular absorption spectrometric method
KS M ISO 6841-2007(2018) Surface active agents－Technical straight-chain sodium alkylbenzenesulfonates－Determination of mean relative molecular mass by gas-liquid chromatography
KS I ISO 6974-1:2006 Natural gas-Determination of composition with defined uncertainty by gas chromatography-Part 1:Guidelines for tailored analysis
KS I ISO 6974-1:2015 Natural gas－Determination of composition with defined uncertainty by gas chromatography－Part 1：Guidelines for tailored analysis
KS C IEC 61948-2:2007 Nuclear medicine instrumentation－Routine tests－Part 2：Scintillation cameras and single photon emission computed tomography imaging
KS B ISO 13579-1:2016 Industrial furnaces and associated processing equipment – Method of measuring energy balance and calculating efficiency – Part 1: General methodology
KS B ISO 13579-2-2016(2021) Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 2: Reheating furnaces for steel
KS B ISO 13579-1-2016(2021) Industrial furnaces and associated processing equipment – Method of measuring energy balance and calculating efficiency – Part 1: General methodology
KS B ISO 13579-2:2016 Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 2: Reheating furnaces for steel
KS C IEC TR 61948-2:2021 Nuclear medicine instrumentation — Routine tests —Part 2: Scintillation cameras and single photon emission computed tomography imaging
KS C IEC TR 61948-2:2018 Nuclear medicine instrumentation — Routine tests — Part 2: Scintillation cameras and single photon emission computed tomography imaging
KS C IEC 62087-7:2022 Audio, video, and related equipment — Determination of(Methods of measurement for) power consumption — Part 7: Computer monitors
KS B ISO 13579-3-2016(2021) Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 3: Batch-type aluminium melting furnaces
KS M ISO 6843:2008 Surface active agents-Sulfated ethoxylated alcohols and alkylphenols-Estimation of the mean relative molecular mass
KS M ISO 6843:2013 Surface active agents－Sulfated ethoxylated alcohols and alkylphenols－Estimation of the mean relative molecular mass
KS B ISO 13579-4:2016 Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 4: Furnaces with protective or reactive atmosphere
KS M ISO 6841:2007 Surface N agents-Technical straight-chain sodium alkylbenzenesulfonates-Determination of mean relative molecular mass by gas-liquid chromatography
KS B ISO 10360-6:2014 Geometrical Product Specifications(GPS) — Acceptance and reverification tests for coordinate measuring machines(CMM) — Part 6: Estimation of errors in computing Gaussian associated features
KS B ISO 10360-6:2004 Geometrical Product Specifications(GPS)-Acceptance and reverification tests for coordinate measuring achines(CMM)-Part 6:Estimation of errors in computing Gsussian associated features
KS B ISO 10360-6:2019 Geometrical Product Specifications(GPS) — Acceptance and reverification tests for coordinate measuring machines(CMM) — Part 6: Estimation of errors in computing Gaussian associated features
KS D ISO 18118-2005(2020) Surface chemical analysis－Auger electron spectroscopy and X-ray photoelectron spectroscopy－Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of h
KS X 2513-4-2001 Information technology-Computer graphics and image processing-Presentation Environment for Multimedia Objects(PREMO)-Part 4:Modelling, rendering and interaction component
KS M ISO 6845:2007 Surface N agents-Technical alkane sulfonates-Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
KS D ISO 18118:2005 Surface chemical analysis－Auger electron spectroscopy and X-ray photoelectron spectroscopy－Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials
KS A ISO 8529-3:2002 Reference neutron radiations－Calibration of area and personal dosimeters and determination of their response as a function of neutron energy and angle of incidence
KS M ISO 6845-2007(2018) Surface active agents－Technical alkane sulfonates－Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content
KS B ISO 13579-4-2016(2021) Industrial furnaces and associated processing equipment — Method of measuring energy balance and calculating efficiency — Part 4: Furnaces with protective or reactive atmosphere

German Institute for Standardization, Relative Molecular Weight Calculation

DIN EN ISO 6976:2016-12 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016); German version EN ISO 6976:2016
DIN 51423-2:2010 Testing of mineral oils - Part 2: Measurement of the relative refractive index with the Abbe-refractometer
DIN 6802-2:1999-11 Neutron dosimetry - Part 2: Conversion coefficients for the calculation of ambient and personal dose equivalent from the neutron fluence, and correction factors for radiation protection devices
DIN 51423-2:2010-02 Testing of mineral oils - Part 2: Measurement of the relative refractive index with the Abbe-refractometer
DIN 6803-2:2020-12 Dosimetry for Photon Brachytherapy - Part 2: Radiation sources, source calibration, source test and dose calculation
DIN 6803-2:2020 Dosimetry for Photon Brachytherapy - Part 2: Radiation sources, source calibration, source test and dose calculation
DIN 6802-2:1999 Neutron dosimetry - Part 2: Conversion coefficients for the calculation of ambient and personal dose equivalent from the neutron fluence, and correction factors for radiation protection devices
DIN 158-2:1997 Metric external taper screw thread and mating internal parallel screw threads - Part 2: Gauging system, use of gauges, calculation of gauge dimensions and general features
DIN IEC/TS 60216-7-1:2015 Electrical insulation materials - Thermal endurance properties - Part 7-1: Accelerated determination of relative thermal endurance using analytical test methods (RTEA) - Instructions for calculations based on activation energy (IEC/TS 60216-7-1:2015)
DIN 2510-1 Bb.1:1974 Bolted connections with reduced shank, survey and installation; studies relating to the calculation of bolted connections
DIN EN 15984:2022 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
DIN EN 15984:2017 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
DIN EN 12766-2:2001 Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation of polychlorinated biphenyl (PCB) content; German version EN 12766-2:2001
DIN EN 15984:2022-04 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method; German version EN 15984:2022
DIN EN 12766-2:2001-12 Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation of polychlorinated biphenyl (PCB) content; German version EN 12766-2:2001
DIN EN 15316-2-3:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 2-3: Space heating distribution systems; German version EN 15316-2-3:2007
DIN EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
DIN EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content (ISO 6845:1989); German version EN ISO 6845:2003
DIN EN ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012); German version EN ISO 6974-1:2012
DIN EN 15316-2-1:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 2-1: Space heating emission systems; German version EN 15316-2-1:2007
DIN 52240-5:1994 Testing of raw materials for the production of glass; chemical analysis of limestone with a minimum content of 95% calcium carbonate; determination of total iron content calculated as iron(III)oxide
DIN 52240-7:1994 Testing of raw materials for the production of glass; chemical analysis of limestone with a minimum content of 95% calcium carbonate; determination of manganese content calculated as MnO

ES-UNE, Relative Molecular Weight Calculation

UNE-EN ISO 6976:2017 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)
UNE-EN IEC 62087-7:2019 Audio, video, and related equipment - Methods of measurement for power consumption Part 7: Computer monitors (Endorsed by Asociación Española de Normalización in March of 2019.)
UNE-EN 12766-2:2001 ERRATUM:2007 Petroleum products and used oils. Determination of PCBs and related products. Part 2: Calculation of polychlorinated biphenyl (PCB) content.
UNE-EN 15984:2022 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
UNE-EN ISO 10360-6:2002/AC:2009 Geometrical Product Specifications (GPS) - Acceptance and reverification tests for coordinate measuring machines (CMM) - Part 6: Estimation of errors in computing Gaussian associated features (ISO 10360-6:2001/Cor 1:2007)

International Electrotechnical Commission (IEC), Relative Molecular Weight Calculation

IEC TR2 60909-1:1991 Short-circuit current calculation in three-phase a.c. systems; part 1: factors for the calculation of short-circuit currents in three-phase a.c. systems according to IEC 909
IEC 62087-7:2018 Audio, video and related equipment - Methods of measurement for power consumption - Part 7: Computer monitors
IEC TR 61948-2:2019 Nuclear medicine instrumentation - Routine tests - Part 2: Scintillation cameras and single photon emission computed tomography imaging
IEC TR 61948-2:2001 Nuclear medicine instrumentation - Routine tests - Part 2: Scintillation cameras and single photon emission computed tomography imaging
IEC 60909-3:1995 Short-circuit current calculation in three-phase a.c. systems - Part 3: Currents during two separate simultaneous single phase line-to-earth short circuits and partial short-circuit currents flowing through earth
IEC TR 61094-10:2022 Electroacoustics - Measurement microphones - Part 10: Absolute pressure calibration of microphones at low frequencies using calculable pistonphones
IEC TS 60216-7-1:2015 Electrical insulation materials - Thermal endurance properties - Part 7-1: Accelerated determination of relative thermal endurance using analytical test methods (RTEA) - Instructions for calculations

European Committee for Standardization (CEN), Relative Molecular Weight Calculation

EN ISO 6976:2016 Natural gas - Calculation of calorific values@ density@ relative density and Wobbe indices from composition
EN 15316-2-3:2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 2-3: Space heating distribution systems
EN 12766-2:2001 Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation of polychlorinated biphenyl (PCB) content
prEN 15984-2021 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
EN ISO 6845:2003 Surface active agents - Technical alkane sulfonates - Determination of the mean relative molecular mass of the alkane monosulfonates and the alkane monosulfonate content

Group Standards of the People's Republic of China, Relative Molecular Weight Calculation

T/CSTM 00197-2021 Graphene quantum dots — Determination of relative fluorescence quantum efficiency for the blue emission — Molecular fluorescence spectroscopy
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed

British Standards Institution (BSI), Relative Molecular Weight Calculation

BS 6829-5.2:1989 Analysis of surface active agents (raw materials). Ethoxylated alcohol and alkylphenol sulphates. Method for estimation of mean relative molecular mass
BS EN ISO 6976:2016 Tracked Changes. Natural gas. Calculation of calorific values, density, relative density and Wobbe indices from composition
BS ISO 9276-5:2005 Representation of results of particle size analysis - Methods of calculation relating to particle size analyses using logarithmic normal probability distribution
BS EN ISO 6974-2:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography. Measuring-system characteristics and statistics for processing of data
BS EN ISO 6974-2:2012 Natural gas. Determination of composition and associated uncertainty by gas chromatography. Uncertainty calculations
BS EN ISO 6974-1:2012 Natural gas. Determination of composition and associated uncertainty by gas chromatography. General guidelines and calculation of composition
BS 6169-2:1984 Methods for volumetric measurement of liquid hydrocarbons - Turbine meter systems
BS EN 60909-3:2003 Short-circuit current calculation in three-phase a.c. systems - Currents during two separate simultaneous single phase line-to- earth short circuits and partial short-circuit currents flowing through earth
BS 6829-3.1:1989 Analysis of surface active agents (raw materials). Sodium alkylbenzenesulphonates. Method for determination of mean relative molecular mass
BS PD IEC/TS 60216-7-1:2015 Electrical insulation materials. Thermal endurance properties. Accelerated determination of relative thermal endurance using analytical test methods (RTEA). Instructions for calculations based on activation energy
BS EN 15984:2022 Petroleum industry and products. Determination of composition of refinery heating gas and calculation of carbon content and calorific value. Gas chromatography method
PD IEC/TS 60216-7-1:2015 Electrical insulation materials. Thermal endurance properties. Accelerated determination of relative thermal endurance using analytical test methods (RTE<sub>A</sub>). Instructions for calculations based on activation energy
BS EN ISO 6845:1989 Surface active agents - Technical alkane sulfonates - Determination of mean relative molecular mass and content of the alkane monosulphonates and the alkane monosulfonate content
BS EN ISO 6845:2003 Surface active agents. Technical alkane sulfonates. Determination of mean relative molecular mass and content of the alkane monosulphonates and the alkane monosulfonate content
21/30434293 DC BS EN 15984. Petroleum industry and products. Determination of composition of refinery heating gas and calculation of carbon content and calorific value. Gas chromatography method
23/30461294 DC BS ISO 18118. Surface chemical analysis. Auger electron spectroscopy and X-ray photoelectron spectroscopy. Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials
BS EN 15934:2012 Sludge, treated biowaste, soil and waste. Calculation of dry matter fraction after determination of dry residue or water content

AENOR, Relative Molecular Weight Calculation

UNE 55842:1990 SURFACE ACTIVE AGENTS. SULFATED ETHOXYLATED ALCOHOLS AND ALKYLPHENOLS. ESTIMATION OF THE MEAN RELATIVE MOLECULAR MASS
UNE 55806:1990 SURFACE ACTIVE AGENTS. TECHNICAL STRAIGHT-CHAIN SODIUM ALKYLBENZENESULFONATES. DETERMINATION OF MEAN RELATIVE MOLECULAR MASS BY GAS-LIQUID CHROMATOGRAPHY
UNE-EN 12766-2:2001 Petroleum products and used oils. Determination of PCBs and related products. Part 2: Calculation of polychlorinated biphenyl (PCB) content.
UNE-EN 15984:2011 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method

Military Standard of the People's Republic of China-General Armament Department, Relative Molecular Weight Calculation

GJB 3982.4-2001 General requirements for electronic countermeasures equipment software Part 4: Software and hardware requirements for special computer support platforms for electronic countermeasures

API - American Petroleum Institute, Relative Molecular Weight Calculation

API MPMS 12.2.3-1998 Calculation of Petroleum Quantities - Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors - Part 3 - Proving Reports (First Edition)
API MPMS 11.5.2-2009 Manual of Petroleum Measurement Standards Chapter 11 - Physical Properties Data Section 5 - Density/Weight/Volume Intraconversion Part 2 - Conversions for Relative Density (60/60 °F) (First Edition)
API MPMS 12.2.5 ERTA-2009 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 5 - Calculation of Base Prover Volume by Ma
API MPMS 12.2.5-2001 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 5 - Calculation of Base Prover Volume by Ma
API MPMS 12.2.4 ERTA-2009 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 4 - Calculation of Base Prover Volumes by t
API MPMS 12.2.4-1997 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 4 - Calculation of Base Prover Volumes by t
API MPMS 14.5-1996 Calculation of Gross Heating Value@ Relative Density and Compressibility Factor for Natural Gas Mixtures from Compositional Analysis (GPA STD 2172-96)
API MPMS 12.2.2-1995 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 2 - Measurement Tickets (Second Edition)
API MPMS 12.2.2-2013 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petroleum Quantities Section 2-Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 2-Measurement Tickets (THIRD EDITION)
API MPMS 12.2.1-1995 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 1 - Introduction (Second Edition)
API MPMS 14.5-2009 Calculation of Gross Heating Value@ Relative Density@ Compressibility and Theoretical Hydrocarbon Liquid Content for Natural Gas Mixtures for Custody Transfer (THIRD EDITION)
API MPMS 12.2.2-2003 Manual of Petroleum Measurement Standards Chapter 12 - Calculation of Petroleum Quantities Section 2 - Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction Factors Part 2 - Measurement Tickets (Third Edition)
API MPMS 11.5.3-2009 Manual of Petroleum Measurement Standards Chapter 11 - Physical Properties Data Section 5 - Density/Weight/Volume Intraconversion Part 3 - Conversions for Absolute Density at 15 °C (First Edition)

American Gas Association, Relative Molecular Weight Calculation

AGA GMM-8-1988 Gas Measurement Manual - Part 8: Electronic Flow Computers and Transducers (XQ8805)

CZ-CSN, Relative Molecular Weight Calculation

CSN 40 4016-1974 Ralalive measurements of activity and partical enission of radioactive products. Total flax measurement of a - or β - particles by a 4 π - proportional counter
CSN 40 4012-1971 Measurement of ionizing radiation and particle emission of radionuclides. Relative activity measurement with internal proporlional counters.

IT-UNI, Relative Molecular Weight Calculation

Natural Gas Processor's Association (NGPA), Relative Molecular Weight Calculation

GPA STD 2172-1996 Calculation of Gross Heating Value, Relative Density and Compressibility Factor for Natural Gas Mixtures from Compositional Analysis (API MPMS 14.5)
GPA STD 2172-2014 Calculation of Gross Heating Value@ Relative Density@ Compressibility and Theoretical Hydrocarbon Liquid Content for Natural Gas Mixtures for Custody Transfer (Third Edition)
GPA STD 2172-2009 Calculation of Gross Heating Value, Relative Density, Compressibility and Theoretical Hydrocarbon Liquid Content for Natural Gas Mixtures for Custody Transfer (Third Edition)

Professional Standard - Light Industry, Relative Molecular Weight Calculation

QB/T 2345-2013 Determination of mean relative molecular weight of alkyldimethylbetain by GC
QB/T 2345-1997 Determination of the Average Relative Molecular Mass of Fatty Alkyl Dimethyl Betaines by Gas-Liquid Chromatography
QB/T 1914-2013 Determination of mean relative molecular weight of alkyltrimethylammonium halide and alkyldimethylbenzylammonium halide by GC

CENELEC - European Committee for Electrotechnical Standardization, Relative Molecular Weight Calculation

EN IEC 62087-7:2019 Audio@ video@ and related equipment - Methods of measurement for power consumption Part 7: Computer monitors
EN 61010-2-061:1996 Safety Requirements for Electrical Equipment for Measurement@ Control@ and Laboratory Use Part 2-061: Particular Requirements for Laboratory Atomic Spectrometers with Thermal Atomization and Ionization

SE-SIS, Relative Molecular Weight Calculation

SIS SS 11 11 15-1985 Steel - Method for assessing the slag inclusion content - Microscopic methods - Manual counting of particles and calculation of size-distribution

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., Relative Molecular Weight Calculation

ASHRAE 3909-1995 Inorganic Fluoride Uptake as a Measure of Relative Compatibility of Molecular Sieve Desiccants with Fluorocarbon Refrigerants

RO-ASRO, Relative Molecular Weight Calculation

STAS 8293-1990 Industrial-process measurement and control. Differential relative and absolute pressure analogue electronic transducers. General technical requirements

Tianjin Provincial Standard of the People's Republic of China, Relative Molecular Weight Calculation

DB12/ 046.62-2011 Calculation method and limit of comprehensive energy consumption per unit output of products Part 62: Lithium electronic batteries

Professional Standard - Machinery, Relative Molecular Weight Calculation

JB/T 10181.31-2014 Electric cables.Calculation of the current rating.Part 31: Sections on operating conditions.Reference operating conditions and selection of cable type
JB/T 10181.32-2014 Electric cables.Calculation of the current rating.Part 32: Sections on operating conditions.Economic optimization of power cable size

ZA-SANS, Relative Molecular Weight Calculation

SANS 3001-AG3:2009 Civil engineering test methods Part AG3: Determination of the average least dimension of aggregates by computation
SANS 1529-9:2008 Water meters for cold potable water Part 9: Requirements for electronic indicators used with mechanical water meters, electronic water meters and electronic prepayment water measuring systems

国家药监局, Relative Molecular Weight Calculation

YY/T 1766.2-2021 Image quality evaluation methods for X-ray computed tomography equipment Part 2: Low contrast resolution evaluation

International Telecommunication Union (ITU), Relative Molecular Weight Calculation

ITU-R S.1257-3-2002 Analytical method to calculate short-term visibility and interference statistics for non-geostationary satellite orbit satellites as seen from a point on the Earth’s surface

Indonesia Standards, Relative Molecular Weight Calculation

SNI IEC/TR 61948-2:2012 Nuclear medicine instrumentation - Routine test - Part 2: Scintillation cameras and single photon emission computed tomography imaging

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, Relative Molecular Weight Calculation

GB/T 34077.1-2017 Management specification of electronic government common platform based on cloud computing—Part 1：Evaluation specification for service quality

BE-NBN, Relative Molecular Weight Calculation

NBN T 63-161-1988 Surface active agents - Technical straight-chain sodium alkylbenzene sulfonates - Determination of mean relative molecular mass by gas-liquid chromatography
NBN S 21-208-1-1995 Brandschutze in Gebaüden - Entwurf und Berechnung von Rauch- und W?rmeabzugsanlagen - Teil 1 : Einst?ckige Grosse R?ume ohne Innenw?nde
NBN T 63-162-1988 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Estimation of the mean relative molecular mass
NBN-ISO 6845:1990 Oppervlakactieve stoffen - Technische alkaansulfonaten - Bepaling van de gemiddelde relatieve moléculaire massa van de alkaanmonosulfonaten en van hun gehalte
NBN T 63-154-1983 Surface active agents - Technical alkane sulphonates - Determination of mean relative molecular mass of alkane monosulphonates

Japanese Industrial Standards Committee (JISC), Relative Molecular Weight Calculation

JIS B 7440-6:2004 Geometrical Product Specifications (GPS) -- Acceptance and reverification tests for coordinate measuring machines (CMM) -- Part 6: Estimation of errors in computing Gaussian associated features
JIS K 0167:2011 Surface chemical analysis -- Auger electron spectroscopy and X-ray photoelectron spectroscopy -- Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials

Professional Standard - Electricity, Relative Molecular Weight Calculation

DL/T 294.4-2019 Technical Specifications for Generator De-excitation and Rotor Overvoltage Protection Device Part 4 Calculation of De-excitation Capacity

Lithuanian Standards Office , Relative Molecular Weight Calculation

LST EN ISO 6976:2005 Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999)
LST EN 12766-2-2002 Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation of polychlorinated biphenyl (PCB) content
LST EN 15984-2011 Petroleum industry and products - Determination of composition of refinery heating gas and calculation of carbon content and calorific value - Gas chromatography method
LST EN ISO 10360-6:2002 Geometrical Product Specifications (GPS) - Acceptance and reverification tests for coordinate measuring machines (CMM) - Part 6: Estimation of errors in computing Gaussian associated features (ISO 10360-6:2001)

未注明发布机构, Relative Molecular Weight Calculation

BS EN ISO 10360-6:2001(2008) Geometrical Product Specifications (GPS) — Acceptance and reverification tests for coordinate measuring machines (CMM) — Part 6 : Estimation of errors in computing Gaussian associated features

IEC - International Electrotechnical Commission, Relative Molecular Weight Calculation

TS 60216-7-1-2015 Electrical insulation materials – Thermal endurance properties – Part 7-1: Accelerated determination of relative thermal endurance using analytical test methods (RTEA) – Instructions for calculations based on activation energy (Edition 1.0)

European Committee for Electrotechnical Standardization（CENELEC）, Relative Molecular Weight Calculation

EN 61010-2-061:2015 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-061: Particular requirements for laboratory atomic spectrometers with thermal atomization and ionization

US-CFR-file, Relative Molecular Weight Calculation

CFR 40-98.73-2013 Protection of environment. Part98:Mandatory greenhouse gas reporting. Subpart G:Ammonia manufacturing. Section98.73:Calculating GHG emissions.

PL-PKN, Relative Molecular Weight Calculation

PN C45400-1991 Chemical organic products. Test methods. Determination of impurities in butyl acetate by gas chromatography and calculation of butyl acetate content

Standard Association of Australia （SAA）, Relative Molecular Weight Calculation

AS ISO 18118:2006 Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Guide to the use of experimentally determined relative sensitivity factors for the quantitative analysis of homogeneous materials