Chromatographic detection of natural gas

Chromatographic detection of natural gas, Total:194 items.

The international standard classification for "Chromatographic detection of natural gas" includes: Natural gas , Protection against crime .

The Chinese standard classification for "Chromatographic detection of natural gas" includes: Natural gas , Heat supply, air supply, air conditioning and refrigerating engineering in general , Fragrances and flavors , Crime judging technology .

未注明发布机构

ASTM RR-D03-1008 1996 D1945-Test for Analysis ofNatural Gas by Gas Chromatography
ASTM RR-D03-1009 2012 D5504-Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Chemiluminescence
ASTM RR-D03-2001 2022 D7493-Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection
DIN EN ISO 23874 E:2016-11 Gas Chromatography Requirements for Natural Gas Hydrocarbon Dew Point Calculation (Draft)

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

GB/T 30492-2014 Natural Gas - Gas Chromatographic Requirements for Hydrocarbon Dewpoint Calculation
GB/T 13610-2003 Analysis of natural gas by gas chromatography
GB/T 11060.10-2014 Natural Gas - Determination of Sulfur Compounds - Part 10: Determination of Sulfur Compounds Using Gas Chromatography Method
GB/T 13610-2014(俄语版) Compositional Analysis of Natural Gas by Gas Chromatography
GB/T 17281-1998 Natural gas - Determination of hydrocarbons from butane (C4) to hexadecane ( C16) - Gas chromatographic method
GB/T 13610-2014 Analysis of natural gas by gas chromatography
GB/T 10410.2-1989 Analysis of natural gas normal composition by gas chromatography
GB/T 13610-2014e Analysis of natural gas composition—Gas chromatography

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 40704-2021 Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method
GB/T 13610-2020 Analysis of natural gas composition—Gas chromatography
GB/T 11060.10-2021 Natural gas—Determination of sulfur compounds—Part 10: Determination of sulfur compounds using gas chromatography method

Professional Standard - Commodity Inspection

SN/T 1044-2002 Determination of 1 8-cineol content in natural oil of eucalyptus globulus labillardiere for export -- Gas chromatography
SN/T 2943-2011 Determination of Hydrogen Sulfide Content in Natural Gas - Length-of-Stain Detector Tubes Method
SN/T 4115-2015 Determination of sulfur compounds in natural gas-Gas chromatography and sulfur chemiluminescence deterctor
SN/T 1044-2001 Determination of 1, 8-cineol content in natural oil of eucalyptus globulus labillardiere for export - Gas chromatography
SN/T 0218-2014 Test method for total residue of nature pyrethrum in cereal grains for export - Gas chromatography-mass spectrometer

国家能源局

SY/T 7607-2020 Rapid determination of hydrogen sulfide and tetrahydrothiophene in natural gas by gas chromatography method with micro TCD
SY/T 7448-2019 Stability evaluation of natural gas reference material. Gas chromatography
SY/T 7658-2021 Natural gas Performance evaluation of on-line gas chromatography
SY/T 7483-2020 Determination of sulfur compounds in natural gas by on-line gas chromatography

Professional Standard - Energy

NB/SH/T 0919-2015 Standard test method for determination of sulfur compounds in gaseous fuels and natural gas by gas chromatography and chemiluminescence

Professional Standard - Public Safety Standards

GA/T 931-2011 GC-MS qualitative examination method for liquefied petroleum gas and natural gas in biological samples

Professional Standard - Agriculture

NY/T 4225-2022 Rubber, raw natural-Determination of the content of fatty acids- Gas chromatography
SN/T 5066-2018 Determination of N-ethylaniline in natural rubber and its products by gas chromatography

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

GB/T 17281-2016 Determination of hydrocarbons from butane (C4) to hexadecane (C16) in naturalgas―Gas chromatographic method

Jilin Provincial Standard of the People's Republic of China

DB22/T 243-2019 Vibrio cholerae Detection Gas Chromatography-Mass Spectrometry

Group Standards of the People's Republic of China

T/QGCML 3139-2024 Based on STM32 natural gas detection and alarm system

Sichuan Provincial Standard of the People's Republic of China

DB51/T 1926-2014 On-site detection method for natural gas component analysis

CZ-CSN

CSN 38 5562-1982 Natural gas. Chromatographic analysis
CSN 38 5563-1982 Natural gas. Determination of methanol by gas chromatography
CSN 38 5565-2-1993 Natural gas. Determination of sulfur compounds. Part 2: Determination of sulfur compounds by gas chromatographic method using an electrochemical detector

YU-JUS

JUS H.F8.301-1988 Hatural gas. Rapid analysis of natural gas. Method by gas chromatography
JUS H.F8.303-1988 Natural gas. Simple analysis of natural gas. Method by gas chromatography
JUS H.F8.300-1989 Natural gas. ?etermination of itater and methanol contents. Gas chromatographic method
JUS H.F8.308-1991 Natura! gas. Determinatlon of hydrogen, inert gases and hy?rocarbons up to C Gas cbromatographic method

GSO

GSO ISO 19739:2014 Natural gas -- Determination of sulfur compounds using gas chromatography
BH GSO ISO 19739:2015 Natural gas -- Determination of sulfur compounds using gas chromatography
OS GSO ISO 19739:2014 Natural gas -- Determination of sulfur compounds using gas chromatography
GSO ISO 6975:2014 Natural gas -- Extended analysis -- Gas-chromatographic method
BH GSO ISO 6975:2015 Natural gas -- Extended analysis -- Gas-chromatographic method
OS GSO ISO 6975:2014 Natural gas -- Extended analysis -- Gas-chromatographic method
GSO ISO/TR 14749:2021 Natural gas — Online gas chromatograph for upstream area
GSO ASTM D1945:2023 Standard Test Method for Analysis of Natural Gas by Gas Chromatography
BH GSO ASTM D1945:2023 Standard Test Method for Analysis of Natural Gas by Gas Chromatography
GSO ISO 23219:2023 Natural gas — Format for data from gas chromatograph analysers for natural gas — XML file format
BH GSO ISO/TR 14749:2022 Natural gas — Online gas chromatograph for upstream area
BH GSO ISO 23219:2023 Natural gas — Format for data from gas chromatograph analysers for natural gas — XML file format
BH GSO ASTM D6228:2015 Standard Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Flame Photometric Detection
GSO ASTM D6228:2014 Standard Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Flame Photometric Detection
OS GSO ISO 23874:2010 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation
GSO ASTM D4888:2023 Standard Test Method for Water Vapor in Natural Gas Using Length-of-Stain Detector Tubes
BH GSO ASTM D4888:2023 Standard Test Method for Water Vapor in Natural Gas Using Length-of-Stain Detector Tubes
GSO ISO 23874:2010 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation

Korean Agency for Technology and Standards (KATS)

KS I ISO 19739-2023 Natural gas — Determination of sulfur compounds using gas chromatography
KS I ISO 19739-2010(2016) Natural gas－Determination of sulfur compounds using gas chromatography
KS I ISO 19739-2010(2021) Natural gas－Determination of sulfur compounds using gas chromatography
KS I ISO 6975-2006(2016) Natural gas－Extended analysis－Gas chromatographic method
KS I ISO 6975-2006(2021) Natural gas－Extended analysis－Gas chromatographic method
KS I ISO 6975:2006 Natural gas－Extended analysis－Gas chromatographic method
KS I ISO TR 14749-2023 Natural gas — Online gas chromatograph for upstream area
KS I ISO 19739:2010 Natural gas-Determination of sulfur compounds using gas chromatography
KS I ISO TR 14749:2018 Natural gas — Online gas chromatograph for upstream area
KS I ISO 23874-2010(2016) Natural gas－Gas chromatographic requirements for hydrocarbon dewpoint calculation
KS I ISO 23874:2010 Natural gas－Gas chromatographic requirements for hydrocarbon dewpoint calculation
KS I ISO 23874-2010(2021) Natural gas－Gas chromatographic requirements for hydrocarbon dewpoint calculation
KS I ISO 6326-2:2006 Gas analysis－Determination of sulfur compounds in natural gas－Part 2：Gas chromatographic method using an electrochemical detector for the determination of odoriferous sulfur compounds
KS I ISO 6326-2-2010 Gas analysis－Determination of sulfur compounds in natural gas－Part 2：Gas chromatographic method using an electrochemical detector for the determination of odoriferous sulfur compounds

GOST

GOST 34723-2021 Naturalgas. Determination of sulfur containing components by gas chromatography method
GOST 34889-2022 Natural honey. Determination of insecticides by gas chromatography/mass spectrometry
GOST 34962-2023 Natural gas. Presentation of gas chromatographic analysis data. XML file format

VN-TCVN

TCVN 3757-1983 Natural gases.Determination of hydrocarbon content by gas chromatography
TCVN 3895-1984 Natural gases.Gas chromatography method for the determination of carbon dioxided and hydrogen contents
TCVN 3756-1983 Natural gas.Method for the determination of oxygen, nitrogen and methane by gas chromatography

Association Francaise de Normalisation

NF EN ISO 19739:2006 Gaz naturel - Détermination des composés soufrés par chromatographie en phase gazeuse
NF X20-511*NF EN ISO 19739:2006 Natural gas - Determination of sulfur compounds using gas chromatography.
NF X20-523*NF EN ISO 6975:2005 Natural gas - Extended analysis - Gas-chromatographic method
NF EN ISO 6975:2005 Gaz naturel - Analyse étendue - Méthode par chromatographie en phase gazeuse
NF X20-501:1985 Gas analysis. Analysis of natural gas without condensate. Method by gas chromatography.
NF X20-523:1997 Natural gas. Extended analysis. Gas-chromatographic method.
NF EN ISO 23874:2018 Natural gas - Gas chromatography requirements for hydrocarbon dew point calculation
NF X20-545*NF EN ISO 23874:2018 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation

SCC

DANSK DS/EN ISO 19739/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography
DANSK DS/EN ISO 19739:2005 Natural gas - Determination of sulfur compounds using gas chromatography
BS ISO 19739:2004 Natural gas. Determination of sulfur compounds using gas chromatography
DANSK DS/EN ISO 6975:2006 Natural gas - Extended analysis - Gas-chromatographic method
DANSK DS/ISO 23219:2022 Natural gas – Format for data from gas chromatograph analyzers for natural gas – XML file format
BS ISO 23874:2006 Natural gas. Gas chromatographic requirements for hydrocarbon dewpoint calculation
NS-EN ISO 6975:2005 Natural gas — Extended analysis — Gas-chromatographic method (ISO 6975:1997)
AENOR UNE-EN ISO 19739:2006 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)
AENOR UNE-EN ISO 6975:2006 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)
AENOR UNE-EN ISO 19739/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)
BS EN ISO 6974-1:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography-Guidelines for tailored analysis
BS 3156-11.4.2:1994 Analysis of fuel gases. Methods for non-manufactured gases. Determination of sulfur compounds in natural gas-Odoriferous sulfur compounds by gas chromatography using an electrochemical detector
NS-EN ISO 23874:2018 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006)
DIN EN ISO 2620 E:2023 Draft Document - Analysis of natural gas - Biomethane - Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors (TD-GC-FID/MS) (ISO/DIS 2620:2023); German and English version prEN ISO 2620...

British Standards Institution (BSI)

BS EN ISO 19739:2005(2010) Natural gas — Determination of sulfur compounds using gas chromatography
BS EN ISO 19739:2005 Natural gas - Determination of sulfur compounds using gas chromatography
BS EN ISO 19739:2004 Natural gas. Determination of sulfur compounds using gas chromatography
BS EN ISO 6975:1997 Natural gas - Extended analysis - Gas chromatographic method
BS EN ISO 6975:2005 Natural gas. Extended analysis. Gas chromatographic method
BS EN ISO 6975:2005(2006) Natural gas — Extended analysis — Gas chromatographic method
BS ISO 23219:2022 Natural gas. Format for data from gas chromatograph analysers for natural gas. XML File Format
BS EN ISO 23874:2018 Natural gas. Gas chromatographic requirements for hydrocarbon dewpoint calculation
BS EN ISO 2620:2024 Analysis of natural gas. Biomethane. Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors
20/30379704 DC BS ISO 23219. Natural gas. Format for data from gas chromatograph analysers for natural gas. XML File Format
BS EN ISO 2614:2023 Analysis of natural gas. Biomethane. Determination of terpenes' content by micro gas chromatography
23/30456477 DC BS EN ISO 2620. Analysis of natural gas. Biomethane. Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors
BS EN ISO 23874:2018(2019) Natural gas – Gas chromatographic requirements for hydrocarbon dewpoint calculation
BS EN ISO 2613-2:2023 Analysis of natural gas. Silicon content of biomethane. Determination of siloxane content by gas chromatography with ion mobility spectrometry
BS ISO 12614-17:2021 Road vehicles. Liquefied natural gas (LNG) fuel system components. Natural gas detector
BS ISO 23874:2007 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation
19/30377045 DC BS ISO 22258. Traditional Chinese medicine. Determination of pesticide residues in natural products by GC

German Institute for Standardization

DIN EN ISO 6975 Berichtigung 1:2008-09 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997); German version EN ISO 6975:2005, Corrigendum to DIN EN ISO 6975:2005-09
DIN EN ISO 6975:2005-09 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997); German version EN ISO 6975:2005
DIN EN ISO 19739:2009-08 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004); German version EN ISO 19739:2005 + AC:2009
DIN EN ISO 6975:2005 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997); English version of DIN EN ISO 6975
DIN EN ISO 23874:2018-12 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006); German version EN ISO 23874:2018
DIN 51894:2012-09 Gas analysis - Gas chromatographic method for fuel gases/natural gas and other gas mixtures
DIN EN ISO 2614:2024-04 Analysis of natural gas - Biomethane - Determination of terpenes content by micro gas chromatography (ISO 2614:2023); German version EN ISO 2614:2023
DIN 51894:2012 Gas analysis - Gas chromatographic method for fuel gases/natural gas and other gas mixtures

International Organization for Standardization (ISO)

ISO 6975:1997 Natural gas - Extended analysis - Gas-chromatographic method
ISO 23219:2022 Natural gas — Format for data from gas chromatograph analysers for natural gas — XML file format
ISO 19739:2004 Natural gas - Determination of sulfur compounds using gas chromatography
ISO/TR 14749:2016 Natural gas - Online gas chromatograph for upstream area
ISO 23874:2006 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation
ISO/CD 2620 Analysis of natural gas — Biomethane — Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors
ISO 2614:2023 Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatography
ISO/FDIS 2614:2023 Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatography
ISO 22258:2020 Traditional Chinese medicine — Determination of pesticide residues in natural products by gas chromatography
ISO/DIS 2614 Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatography
ISO 19739:2004/cor 1:2009 Natural gas - Determination of sulfur compounds using gas chromatography; Technical Corrigendum 1
ISO/DIS 2613-2 Analysis of natural gas — Biomethane — Part 2: Determination of siloxane content by gas chromatography ion mobility spectrometry
ISO/DIS 2620:2023 Analysis of natural gas — Biomethane — Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors
ISO/FDIS 2620:2023 Analysis of natural gas — Biomethane — Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors
ISO 6326-2:1981 Gas analysis; Determination of sulphur compounds in natural gas; Part 2 : Gas chromatographic method using an electrochemical detector for the determination of odoriferous sulphur compounds

TR-TSE

TS 2281-1976 NATUBAL GAS ANALYSI? (GAS CHROMATOGRAPHY METHOD)

Danish Standards Foundation

DS/EN ISO 6975:2006 Natural gas - Extended analysis - Gas-chromatographic method
DS/EN ISO 19739:2006 Natural gas - Determination of sulfur compounds using gas chromatography
DS/EN ISO 19739/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography

ES-UNE

UNE-EN ISO 19739:2006/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)
UNE-EN ISO 23874:2020 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006)
UNE-EN ISO 2614:2024 Analysis of natural gas - Biomethane - Determination of terpenes' content by micro gas chromatography (ISO 2614:2023)

KR-KS

KS I ISO 6975-2022 Natural gas — Extended analysis — Gas-chromatographic method
KS I ISO TR 14749-2018(2023) Natural gas — Online gas chromatograph for upstream area
KS I ISO TR 14749-2018 Natural gas — Online gas chromatograph for upstream area
KS I ISO 23874-2023 Natural gas — Gas chromatographic requirements for hydrocarbon dewpoint calculation
KS I ISO 6326-2-2006 Gas analysis－Determination of sulfur compounds in natural gas－Part 2：Gas chromatographic method using an electrochemical detector for the determination of odoriferous sulfur compounds

Natural Gas Processor's Association (NGPA)

GPA STD 2166-2005 Obtaining Natural Gas Samples for Analysis by Gas Chromatography
GPA STD 2261-2013 Analysis for Natural Gas and Similar Gaseous Mixtures by Gas Chromatography
GPA STD 2261-2000 Analysis for Natural Gas and Similar Gaseous Mixtures by Gas Chromatography

RU-GOST R

GOST R 56835-2015 Liquefied natural gas. Boil-off gas of liquefied natural gas production. Determination of composition by gas chromatography method

GOSTR

GOST 23781-1987 Natural combustible gases. Chromatographic method for determination of component composition

BE-NBN

NBN T 97-203-1982 Natural gas - Simple analysis by gas chromatography

HU-MSZT

MSZ 5650/2-1971 Natural gas detection. Thickness detection
MSZ 10985/2-1979 Urban natural gas testing. Combustion detection
MSZ 11407-1963 Natural gas power survey and testing
MSZ 11413/3-1979 Gas detection natural gas industrial lock equipment
MSZ 11413/5-1981 Natural gas simple gas emission cable detection
MSZ 11408-1963 Natural gas information product equipment testing
MSZ 11413/2-1979 Natural gas consumption instruments and testing

AENOR

UNE-EN ISO 6975:2006 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)
UNE-EN ISO 19739:2006 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)

European Committee for Standardization (CEN)

EN ISO 6975:2005 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)
EN ISO 19739:2005 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)
FprEN ISO 2620 Analysis of natural gas - Biomethane - Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors (ISO/FDIS 2620:2024)
EN ISO 19739:2005/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)
EN ISO 2614:2023 Analysis of natural gas - Biomethane - Determination of terpenes\' content by micro gas chromatography (ISO 2614:2023)

Lithuanian Standards Office

LST EN ISO 6975:2005 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)
LST EN ISO 19739:2006 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)
LST EN ISO 19739:2006/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)

American Society for Testing and Materials (ASTM)

ASTM D7493-08 Standard Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection
ASTM D1945-14(2019) Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D1945-03(2010) Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D1945-91 Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D1945-96e1 Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D1945-03 Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D7493-14(2018) Standard Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection
ASTM D6228-98(2003) Standard Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Flame Photometric Detection
ASTM D6228-98 Standard Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Flame Photometric Detection
ASTM D1945-14 Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D1945-96(2001) Standard Test Method for Analysis of Natural Gas by Gas Chromatography
ASTM D4888-06(2011) Standard Test Method for Water Vapor in Natural Gas Using Length-of-Stain Detector Tubes
ASTM D4888-06 Standard Test Method for Water Vapor in Natural Gas Using Length-of-Stain Detector Tubes
ASTM D7493-22 Standard Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection
ASTM D4888-06(2015) Standard Test Method for Water Vapor in Natural Gas Using Length-of-Stain Detector Tubes

CEN - European Committee for Standardization

EN ISO 23874:2018 Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation

PL-PKN

PN C96011-02-1993 Natural gas. Determination of sulfur compounds. Part 2: Gas chromatographic method using an electrochemical detector for the determination for odoriferous sulphur compounds

BSI

DANSK DS/ISO 2620:2024 Analysis of natural gas – Biomethane – Determination of VOCs by thermal desorption gas chromatography with flame ionization and/or mass spectrometry detectors

FI-SFS

SFS 3178-1980 Natural Gas Pipeline. examine

DIN

DIN EN ISO 2614:2024 Analysis of natural gas - Biomethane - Determination of terpenes' content by micro gas chromatography (ISO 2614:2023)