The accuracy of gas chromatography external standard measurement is not high

The accuracy of gas chromatography external standard measurement is not high, Total:115 items.

The international standard classification for "The accuracy of gas chromatography external standard measurement is not high" includes: Natural gas , Other standards related to optics and optical measurements , Aromatic hydrocarbons .

The Chinese standard classification for "The accuracy of gas chromatography external standard measurement is not high" includes: Natural gas , chromatograph , Basic organic chemicals .

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 27894.1-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1:General guidelines and calculation of composition
GB/T 27894.2-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 2:Uncertainty calculations
GB/T 30430-2019 Standard column used for evaluating gas chromatographs
GB/T 30433-2021 Standard column used for evaluating liquid chromatograph

机械电子工业部

JB 5225-1991 Standard chromatographic column for gas chromatograph testing

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

GB/T 27894.1-2011 Natural gas - Determination of composition with defined uncertainty by gas chromatogramphy - Part 1: Guidelines for tailored analysis
GB/T 30433-2013 Standard Column Used for Evaluating Liquid Chromatography
GB/T 27894.3-2023 Natural gas―Determination of composition and associated uncertainty by gas chromatography―Part 3:Precision and bias
GB/T 30430-2013 Standard Column Used for Evaluating Gas Chromatography

Professional Standard - Machinery

JB/T 5225-1991 Standard Chromatographic Column for Testing of Gas Chromatograph
JB/T 5226-1991 Standard chromatographic column for testing of liquid chromatograph

未注明发布机构

ASTM RR-D16-1042 2011 D7360-Test Method for Analysis of Benzene by Gas Chromatography with External Calibration
DIN EN ISO 6974-1:2002 Natural gas — Determination of composition with defined uncertainty by gas chromatograph — Part 1: Guidelines for tailored analysis

Professional Standard - Agriculture

GB/T 30433-2021(XG1-2023) Standard chromatographic column for liquid chromatography testing

Professional Standard - Petrochemical Industry

SH/T 1486.2-2008 Petroleum p-xylene-Determination of purity and hydrocarbon impurities-Gas chromatography and external calibration
SH/T 1488-1992 Determination of Nonaromatic Hydrocarbons in High Purity Aromatic Hydrocarbons by Gas Chromatography

Professional Standard - Chemical Industry

HG/T 2953-1986 Standard Layout for Analytical Method by Gas Chromatography (Former GB/T 2307-1986)

Professional Standard - Aquaculture

SC/T 3048-2014 Determination of K value as fishery freshness index-High performance liquid chromatography

Danish Standards Foundation

DS/EN ISO 6974-2:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations
DS/EN ISO 6974-1/AC:2013 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition
DS/EN ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition
DS/EN ISO 6974-3:2001 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns

GSO

BH GSO ISO 6974-2:2022 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
GSO ISO 6974-2:2021 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
GSO ISO 6974-3:2022 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias
BH GSO ISO 6974-3:2023 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias
BH GSO ISO 6974-1:2023 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
GSO ISO 6974-1:2023 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
BH GSO ASTM D2268:2015 Standard method for analysis of high - purity n-Hepane and Isooctane by capillary gas chromatography
GSO ASTM D2268:2014 Standard method for analysis of high - purity n-Hepane and Isooctane by capillary gas chromatography
OS GSO ASTM D2268:2014 Standard method for analysis of high - purity n-Hepane and Isooctane by capillary gas chromatography

KR-KS

KS I ISO 6974-2-2022 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
KS I ISO 6974-3-2021 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias

Association Francaise de Normalisation

NF EN ISO 6974-2:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: uncertainty calculations
NF EN ISO 6974-3:2018 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias
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 EN ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: general guidelines and calculation of composition

German Institute for Standardization

DIN EN ISO 6974-2:2012-11 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012); German version EN ISO 6974-2:2012
DIN EN ISO 6974-3:2019-02 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018); German version EN ISO 6974-3:2018
DIN EN ISO 6974-1:2012-11 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 ISO 6974-4:2002-06 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C<(Index)1> to C<(Index)5> and C<(Index)6+> hydrocarbons for a laboratory and on-line me...
DIN EN ISO 6974-3:2019 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018)
DIN EN ISO 6974-5:2014-10 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen, carbon dioxide, C<(Index)1> to C<(Index)5> hydrocarbons and C<(Index)6+> hydrocarbons (ISO 6974-5:20...
DIN EN ISO 6974-6:2005-08 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C<(Index)1> to C<(Index)8> hydrocarbons using three capillary column...

British Standards Institution (BSI)

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 6974-3:2018 Natural gas. Determination of composition and associated uncertainty by gas chromatography. Precision and bias
BS EN ISO 6974-1:2012 Natural gas. Determination of composition and associated uncertainty by gas chromatography. General guidelines and calculation of composition
BS ISO 20163:2019 Vulcanized rubber. Determination of free sulfur by gas chromatography (GC) and high performance liquid chromatography (HPLC)

SCC

10/30203803 DC BS ISO 6974-2. Natural gas. Determination of composition and associated uncertainty by gas chromatography. Part 2. Uncertainty calculations
NS-EN ISO 6974-2:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations (ISO 6974-2:2012)
AENOR UNE-EN ISO 6974-2:2013 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
BS EN ISO 6974-1:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography-Guidelines for tailored analysis
DIN EN ISO 6974-2 E:2010 Draft Document - Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO/DIS 6974-2:2010); German version prEN ISO 6974-2:2010
DANSK DS/EN ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition
VDI 2100 BLATT 6-2010 Measuring gaseous compounds in the outdoor air — Measuring indoor air pollution — Gas chromatographic determination of organic compounds — Practical instructions for determining the measurement uncertainty
NS-EN ISO 6974-3:2018 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018)
BS EN ISO 6974-2:2002 Natural gas. Determination of composition with defined uncertainty by gas chromatography-Measuring-system characteristics and statistics for processing of data
AENOR UNE-EN ISO 6974-1:2013 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)
10/30215322 DC BS EN ISO 6974-1. Natural gas. Determination of composition and associated uncertainty by gas chromatography. Part 1: General guidelines and calculation of composition
DIN EN ISO 6974-3 E:2017 Draft Document - Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO/DIS 6974-3:2017); German and English version prEN ISO 6974-3:2017
NS-EN ISO 6974-1:2001 Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 1: Guidelines for tailored analysis (ISO 6974-1:2000)
DIN EN ISO 6974-1 E:2010 Draft Document - Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO/DIS 6974-1:2010); German version prEN ISO 6974-1:2010
UNE-EN ISO 6974-1:2003 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 1: Guidelines for tailored analysis. (ISO 6974-1:2000)
DANSK DS/EN ISO 6974-2:2002 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 2: Measuring-system characteristics and statistics for processing of data
BS EN ISO 6974-3:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography-Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns
AWPA A38-04 Standard Method of Determination of PXTS In Treated Wood by HPLC With UV Detection
DANSK DS/EN ISO 6974-3:2001 Natural gas – Determination of composition with defined uncertainty by gas chromatography – Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns
UNE-EN ISO 6974-2:2003 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 2: Measuring-system characteristics and statistics for processing of data. (ISO 6974-2:2001)
NS-EN ISO 6974-2:2002 Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 2: Measuring-system characteristics and statistics for processing of data (ISO 6974-2:2001)
AWPA A39-05 Standard Method for Determination of PXTS in Wood Treatment Solutions by HPLC with UV Detection

International Organization for Standardization (ISO)

ISO 6974-3:2018 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias
ISO 6974-1:2000 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 1: Guidelines for tailored analysis

ES-UNE

UNE-EN ISO 6974-3:2019 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018)

Korean Agency for Technology and Standards (KATS)

KS I ISO 6974-1-2020 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
KS I ISO 6974-3:2021 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias
KS I ISO 6974-1-2015(2020) Natural gas－Determination of composition with defined uncertainty by gas chromatography－Part 1：Guidelines for tailored analysis

European Committee for Standardization (CEN)

EN ISO 6974-2:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
EN ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition

American Society for Testing and Materials (ASTM)

ASTM D5060-07 Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
ASTM D5060-06 Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
ASTM D5060-12(2021)e1 Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
ASTM D5060-95(2000) Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
ASTM D5060-95(2000)e1 Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
ASTM D5060-12 Standard Test Method for Determining Impurities in High-Purity Ethylbenzene by Gas Chromatography
ASTM D2712-23 Standard Test Method for Determination of Hydrocarbon Impurities in High Purity Propylene by Gas Chromatography
ASTM D7515-19(2023) Standard Test Method for Purity of 1,3-Propanediol (Gas Chromatographic Method)
ASTM D2804-02(2007) Standard Test Method for Purity of Methyl Ethyl Ketone By Gas Chromatography
ASTM D2804-02(2012) Standard Test Method for Purity of Methyl Ethyl Ketone By Gas Chromatography
ASTM D2804-02 Standard Test Method for Purity of Methyl Ethyl Ketone By Gas Chromatography
ASTM D7266-07e1 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
ASTM D7266-07 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
ASTM E840-95 Standard Practice for Using Flame Photometric Detectors in Gas Chromatography
ASTM D7266-13(2018)e1 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
ASTM D7266-23 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
ASTM D7360-16 Standard Test Method for Analysis of Benzene by Gas Chromatography with External Calibration
ASTM E840-95(2000) Standard Practice for Using Flame Photometric Detectors in Gas Chromatography
ASTM E840-95(2021)e1 Standard Practice for Using Flame Photometric Detectors in Gas Chromatography
ASTM D7266-13 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
ASTM D4838-88(1998) Standard Test Method for Determining the Relative Tinting Strength of Chromatic Paints
ASTM D7266-13e1 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
ASTM D3362-93(2000) Standard Test Method for Purity of Acrylate Esters by Gas Chromatography
ASTM D2504-67(1977) Standard Test Method for Noncondensable Gases In C3 And Lighter Hydrocarbon Products By Gas Chromatography
ASTM D2804-22 Standard Test Method for Purity of Methyl Ethyl Ketone By Gas Chromatography
ASTM D3465-21 Standard Guide for Purity of Monomeric Plasticizers by Gas Chromatography
ASTM D3362-05 Standard Test Method for Purity of Acrylate Esters by Gas Chromatography
ASTM E1642-00(2016) Standard Practice for General Techniques of Gas Chromatography Infrared (GC/IR) Analysis

AENOR

UNE-EN ISO 6974-2:2013 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
UNE-EN ISO 6974-1:2013 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)

Lithuanian Standards Office

LST EN ISO 6974-2:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
LST 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)

RU-GOST R

GOST 31371.1-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 1. Guidelines for tailored analysis
GOST 31371.7-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 7. Measurement procedure of the mole fraction of components

GOSTR

GOST 31371.1-2020 Natural gas. Determination of composition by gas chromatography method with evaiuation of uncertainty. Part 1. General guidelines and calculation of composition
GOST 31371.7-2020 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 7. Measurement procedure of the mole fraction of components

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