Mass extraction

Mass extraction, Total:149 items.

The international standard classification for "Mass extraction" includes: Water quality in general , Protection against crime , Examination of water for chemical substances , Water quality , Chemical reagents .

The Chinese standard classification for "Mass extraction" includes: Analysis methods for toxic substances in water , Crime judging technology , Chemical reagent in general .

Shandong Provincial Standard of the People's Republic of China

DB37/T 4161-2020 Determination of Water Quality Aldicarb Solid Phase Extraction-Liquid Chromatography
DB37/T 4157-2020 Determination of Carbofuran in Water by Solid Phase Extraction-Liquid Chromatography
DB37/T 4148-2020 Determination of Water Quality 2,4-D by Solid Phase Extraction-Liquid Chromatography
DB37/T 4162-2020 Determination of Odor and Taste Substances in Water Quality by Solid Phase Extraction-Gas Chromatography-Mass Spectrometry
DB37/T 4155-2020 Determination of Water Quality Chlorpyrifos Solid Phase Extraction-Liquid Chromatography
DB37/T 4146-2020 Determination of Benzidine in Water by Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry
DB37/T 4158-2020 Determination of Water Quality Environmental Hormone Compounds by Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry

Group Standards of the People's Republic of China

T/GAIA 004-2020 Determination of eleven odor compounds in water by headspace solid phase microextraction coupled with gas chromatography-mass spectrometry
T/SWSTA 0005-2021 Determination of four ether-like odorants including dimethyl disulfide in water by headspace solid-phase microextraction-gas chromatography-mass spectrometry
T/NAIA 0299-2024 Water quality Determination of octachlorobiphenyl (PCB194) Liquid-liquid extraction/gas chromatography-mass spectrometry
T/NAIA 081-2021 Determination of Volatile Alcohol Components in Wine Headspace-Solid Phase Microextraction-Gas Chromatography-Mass Spectrometry
T/SATA 030-2022 Determination of sulfur ether and pyrazine compounds in water by headspace solid phase microextraction-gas chromatography–mass Spectrometry
T/CSIQ 76001-2017 Textiles－Determination of the persistent organochlorine pollutant residues－Solid phase microextraction-gas chromatography-mass spectrometry method
T/CSPCI 00001-2022 Separation and determination of aniline compounds in gasoline solid-phase extraction-gas chromatography-mass spectrometry
T/CAIA SHO21-2024 Water quality Determination of alkyl mercury and inorganic divalent mercury Online solid phase extraction-liquid chromatography-inductively coupled plasma mass spectrometry
T/CSES 112-2023 Water quality — Determination of tris (2-chloroethyl) phosphate— Solid phase extraction/liquid chromatography-triple quadrupole mass spectrometry
T/GDSES 3-2022 Soil—Determination of antibiotics—Ultrasonic extraction-solid phase extraction-high performance liquid chromatography-tandem mass spectrometry
T/GDSES 2-2022 Water quality—Determination of antibiotics—Solid phase extraction-high performance liquid chromatography-tandem mass spectrometry
T/GAIA 007.2-2021 Determination of the Foreign Impurity in Oils PartⅡ: Determination of the Volatile Foreign Impurity by HS-SPME/GC-MS
T/NAIA 0300-2024 Water quality Determination of nonachlorobiphenyl (PCB206) Liquid-liquid extraction/gas chromatography-mass spectrometry
T/JSWA 005-2021 Rapid detection of odorous substances geosmin and 2-methylisoborneol in water by solid-phase microextraction gas chromatography-mass spectrometry
T/CCOA 68-2023 Determination of volatile flavor components in edible vegetable oils by headspace solid phase microextraction-gas chromatography-mass spectrometry

Professional Standard - Environmental Protection

HJ 914-2017 Water quality - Determination of paraquat and diquat - Solid phase extraction high performance liquid chromatography
HJ 478-2009 Water quality-Determination of polycyclic aromatic hydrocarbons byliquid-liquid extraction and solid-phase etracton-High performance liquid chromatography
HJ 894-2017 Water quality - Determination of extractable petroleum hydrocarbons (C10-C40) - Gas chromatography
HJ 648-2013 Water quality - Determination of nitroaromatics by gas chromatography
HJ 676-2013 Water quality - Determination of phenolic compounds Liquid liquid extraction gas chromatography

水利部

SL 761-2018 Water quality. Determination of atrazine. Solid phase extraction. High performance liquid chromatography
SL/T 787-2019 Water quality- Determination of chlorobenzenes Solid phase extraction Gas chromatography mass spectronetry
SL/T 739-2016 Water Quality Determination of Organophosphorus Pesticides Solid Phase Extraction-Gas Chromatography

Professional Standard - Public Safety Standards

GA/T 1515-2018 Forensic science―Examination methods for gasoline residues―Solid phase microextraction and gas chromatography-mass spectrometry

Professional Standard - Agriculture

SL 739-2016 SL/T 739-2016 Water quality - Determination of organophosphorus pesticides - Solid-phase-extraction/gas chromatography

Shanxi Provincial Standard of the People's Republic of China

DB14/T 1948-2019 Determination of Halogenated Hydrocarbons in Water Quality Headspace/Solid Phase Microextraction-Gas Chromatography

Liaoning Provincial Standard of the People's Republic of China

DB21/T 3286-2020 Determination of five sulfonamide antibiotics in water quality by solid phase extraction high performance liquid chromatography-triple quadrupole tandem mass spectrometry
DB21/T 2554-2016 Determination of Benzene Series in Marine Sediments by Headspace-Solid Phase Microextraction/Gas Chromatography-Mass Spectrometry

Henan Provincial Standard of the People's Republic of China

DB41/T 1170-2015 Determination of Water Quality Nitrochlorobenzene Compounds by Liquid-Liquid Extraction-Gas Chromatography

Jilin Provincial Standard of the People's Republic of China

DB22/T 3120-2020 Determination of Nitrobenzene Compounds in Water Quality by Needle Trap Microextraction Gas Chromatography

国家能源局

NB/SH/T 0994-2019 Standard test method for separation and determination of oxygenates and nitrogenous compounds in gasoline by solid-phase extraction and gas chromatography-mass spectrometry

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 2687-2022 Determination of volatile components in natural green hay by headspace solid-phase microextraction-gas chromatography mass spectrometry
DB15/T 1475-2018 Determination of 13 herbicide residues in soil by accelerated solvent extraction-liquid chromatography-tandem mass spectrometry

Professional Standard - Water Conservancy

SL 392-2007 Determination of semivolatile organic compounds in water by solid phase extraction-gas chromatography/mass spectrometry(GC/MS)

Hebei Provincial Standard of the People's Republic of China

DB13/T 5924-2024 Determination of 22 elements in seawater by solid-phase extraction-inductively coupled plasma mass spectrometry

Anhui Provincial Standard of the People's Republic of China

DB34/T 1843-2013 Molecularly imprinted solid-phase extraction-liquid chromatography-tandem mass spectrometry for the detection of triazine herbicides in water

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

GB/T 10726-1989 Chemical reagent; General method for the determination of metals by solvent extraction followed by AAS
GB/T 10726-2007 Chemical reagent—General method for the determination of metals by solvent extraction followed by AAS

Guangdong Provincial Standard of the People's Republic of China

DB44/T 1153-2013 Water Quality Determination of Benazone, Atrazine and 2,4-D by Solid Phase Extraction-High Performance Liquid Chromatography

German Institute for Standardization

DIN EN ISO 23702-1:2019-02 Leather - Organic fluorine - Part 1: Determination of non-volatile compounds by extraction method using liquid chromatography/tandem mass spectrometry detector (LC-MS/MS) (ISO 23702-1:2018); German version EN ISO 23702-1:2018 / Note: To be replaced by ...
DIN EN ISO 17495:2003-09 Water quality - Determination of selected nitrophenols - Method by solid phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001); German version EN ISO 17495:2003
DIN ISO 20279:2006 Soil quality - Extraction of thallium and determination by electrothermal atomic absorption spectrometry (ISO 20279:2005);English version of DIN ISO 20279:2006-01
DIN EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001); German version EN ISO 17495:2003
DIN EN ISO 9377-2:2001-07 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography (ISO 9377-2:2000); German version EN ISO 9377-2:2000
DIN EN ISO 9377-2:2001 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography (ISO 9377-2:2000); German version EN ISO 9377-2:2000

CZ-CSN

CSN 75 7506-2002 Water quality - Determination of extractable matters by IR spectrometric method
CSN 75 7505-1998 Water quality - Determination of non-polar extractable matters by IR spectrometric method
CSN 75 7508-2003 Water quality - Determination of extractable matters by gravimetric method

British Standards Institution (BSI)

BS EN ISO 23702-1:2023 Leather. Per- and polyfluoroalkyl substances. Determination of non-volatile compounds by extraction method using liquid chromatography
BS EN ISO 17495:2003(2008) Water quality — Determination of selectednitrophenols — Method by solid - phase extraction and gas chromatography with mass spectrometric detection
BS EN 16693:2015 Water quality. Determination of organochlorine pesticides (OCP) in whole water samples. Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)
BS EN 16691:2015 Water quality. Determination of selected polycyclic aromatic hydrocarbons (PAH) in whole water samples. Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)
BS EN 16694:2015 Water quality. Determination of selected polybrominated diphenly ether (PBDE) in whole water samples. Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography-mass spectrometry (GC-MS)
BS EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection
BS ENISO 20596-2:2021 Water quality. Determination of cyclic volatile methylsiloxanes in water - Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
BS EN ISO 9377-2:2000 Water quality. Determination of hydrocarbon oil index. Method using solvent extraction and gas chromatography
BS EN ISO 20596-2:2022 Water quality. Determination of cyclic volatile methylsiloxanes in water - Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
BS ISO 24293:2009 Water quality - Determination of individual isomers of nonylphenol - Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
BS ISO 20596-2:2021 Water quality. Determination of cyclic volatile methylsiloxanes in water. Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
BS ISO 21863:2020 Water quality. Determination of alkylmercury compounds in water. Method using gas chromatography-mass spectrometry (GC-MS) after phenylation and solvent extraction
BS EN ISO 22032:2009 Water quality. Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge. Method using extraction and gas chromatography/mass spectrometry

GSO

BH GSO ISO 17495:2016 Water quality -- Determination of selected nitrophenols -- Method by solid-phase extraction and gas chromatography with mass spectrometric detection
OS GSO ISO 17495:2013 Water quality -- Determination of selected nitrophenols -- Method by solid-phase extraction and gas chromatography with mass spectrometric detection
GSO ISO 17495:2013 Water quality -- Determination of selected nitrophenols -- Method by solid-phase extraction and gas chromatography with mass spectrometric detection
BH GSO ISO 9377-2:2016 Water quality -- Determination of hydrocarbon oil index -- Part 2: Method using solvent extraction and gas chromatography
OS GSO ISO 9377-2:2015 Water quality -- Determination of hydrocarbon oil index -- Part 2: Method using solvent extraction and gas chromatography
GSO ISO 22032:2013 Water quality -- Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge -- Method using extraction and gas chromatography/mass spectrometry
BH GSO ISO 22032:2016 Water quality -- Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge -- Method using extraction and gas chromatography/mass spectrometry
GSO ISO 24293:2013 Water quality - Determination of individual isomers of nonylphenol - Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
BH GSO ISO 24293:2016 Water quality - Determination of individual isomers of nonylphenol - Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
BH GSO ISO 17943:2022 Water quality — Determination of volatile organic compounds in water — Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS)
GSO ISO 17943:2021 Water quality — Determination of volatile organic compounds in water — Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS)
OS GSO ISO 11423-2:2014 Water quality -- Determination of benzene and some derivatives -- Part 2: Method using extraction and gas chromatography
BH GSO ISO 11423-2:2016 Water quality -- Determination of benzene and some derivatives -- Part 2: Method using extraction and gas chromatography
GSO ISO 9377-2:2015 Water quality -- Determination of hydrocarbon oil index -- Part 2: Method using solvent extraction and gas chromatography
GSO ISO 8165-2:2013 Water quality - Determination of selected monovalent phenols - Part 2: Method by derivatization and gas chromatography
BH GSO ISO 8165-1:2016 Water quality - Determination of selected monovalent phenols - Part 1: Gas-chromatographic method after enrichment by extraction

Korean Agency for Technology and Standards (KATS)

KS I ISO 17495-2007(2017) Water quality－Determination of selected nitrophenols－Method by solidphase extraction and gas chromatography with mass spectrometric detection
KS I ISO 20279:2006 Soil quality-Extraction of thallium and determination by electrothermal atomic absorption spectrometry
KS M 9105-1996 Water quality-Determination of selected monovalent phenols(Gas-chromatographic method after enrichment by extraction)
KS I ISO 17495:2007 Water quality－Determination of selected nitrophenols－Method by solidphase extraction and gas chromatography with mass spectrometric detection
KS I ISO 11423-2:2008 Water quality-Determination of benzene and some derivatives-Part 2:Method using extraction and gas chromatography
KS I ISO 22032-2007(2017) Water quality－Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge－Method using extraction and gas chromatography/mass spectrometry
KS I ISO 8165-1:2006 Water quality-Determination of selected monovalent phenols-Part 1:Gas-chromatographic method after enrichment by extraction
KS I ISO 8165-1-2006(2011) Water quality－Determination of selected monovalent phenols－Part 1：Gas-chromatographic method after enrichment by extraction
KS I ISO 11423-2-2008(2018) Water quality－Determination of benzene and some derivatives－Part 2：Method using extraction and gas chromatography
KS I ISO 11423-2-2018 Water quality－Determination of benzene and some derivatives－Part 2：Method using extraction and gas chromatography
KS I ISO 9377-2:2021 Water quality — Determination of hydrocarbon oil index Part 2: Method using solvent extraction and gas chromatography

SCC

DANSK DS/EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection
NS-EN ISO 17495:2003 Water quality — Determination of selected nitrophenols — Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)
AENOR UNE-EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)
BS EN ISO 20596-2:2021 Water quality. Determination of cyclic volatile methylsiloxanes in water-Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
BS 1428-L1:1963 Micro extraction apparatus. Extraction accessories
DANSK DS/EN ISO 9377-2:2001 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography
DANSK DS/ISO 24293:2009 Water quality - Determination of individual isomers of nonylphenol - Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
07/30137646 DC BS ISO 24293. Water quality. Determination of individual isomers of nonylphenol. Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
DIN EN 16691 E:2014 Draft Document - Water quality - Determination of polycyclic aromatic hydrocarbons (PAH) in whole water samples using liquid solid extraction combined with gas chromatography mass spectrometry (GC-MS); German version prEN 16691:2013
DANSK DS/ISO 20596-2:2021 Water quality – Determination of cyclic volatile methylsiloxanes in water – Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
DANSK DS/EN ISO 22032:2009 Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry
DANSK DS/ISO 21863:2020 Water quality – Determination of alkylmercury compounds in water – Method using gas chromatography-mass spectrometry (GC-MS) after phenylation and solvent extraction

KR-KS

KS I ISO 17495-2023 Water quality — Determination of selected nitrophenols — Method by solid-phase extraction and gas chromatography with mass spectrometric detection
KS I ISO 22032-2023 Water quality — Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge — Method using extraction and gas chromatography/mass spectrometry
KS I ISO 9377-2-2021 Water quality — Determination of hydrocarbon oil index Part 2: Method using solvent extraction and gas chromatography

Association Francaise de Normalisation

NF EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Solid phase extraction method with detection by gas chromatography and mass spectrometry
NF EN ISO 22032:2009 Water quality - Determination of a selection of polybrominated diphenyl ethers in sediments and sewage sludge - Extraction and gas chromatography/mass spectrometry method
NF EN ISO 18857-2:2012 Water quality - Determination of selected alkylphenols - Part 2: gas chromatography-mass spectrometry determination of alkylphenols, their ethoxylates and bisphenol A in unfiltered samples after extraction...
NF T90-181*NF EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid phase extraction and gas chromatography with mass spectrometric detection.
NF EN ISO 9377-2:2000 Water quality - Determination of the hydrocarbon index - Part 2: solvent extraction and gas chromatography method
NF T90-150*NF EN ISO 9377-2:2000 Water quality - Determination of hydrocarbon oil index - Part 2 : method using solvent extraction and gas chromatography

Danish Standards Foundation

DS/EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection
DS/ISO 21863:2020 Water quality – Determination of alkylmercury compounds in water – Method using gas chromatography-mass spectrometry (GC-MS) after phenylation and solvent extraction
DS/EN ISO 22032:2009 Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry
DS/ISO 24293:2009 Water quality - Determination of individual isomers of nonylphenol - Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
DS/EN ISO 9377-2:2001 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography
DS/ISO 20596-2:2021 Water quality – Determination of cyclic volatile methylsiloxanes in water – Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)

International Organization for Standardization (ISO)

ISO 20279:2005 Soil quality - Extraction of thallium and determination by electrothermal atomic absorption spectrometry
ISO/CD 13646 Water quality — Determination of selected estrogens in whole water samples — Method using solid phase extraction (SPE) followed by chromatography coupled to mass spectrometric detection
ISO 17495:2001 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection
ISO 11423-2:1997 Water quality - Determination of benzene and some derivatives - Part 2: Method using extraction and gas chromatography
ISO 21675:2019 Water quality — Determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water — Method using solid phase extraction and liquid chromatography-tandem mass spectrometry (LC-MS/MS)
ISO 8165-1:1992 Water quality; determination of selected monovalent phenols; part 1: gas-chromatographic method after enrichment by extraction
ISO 24293:2009 Water quality - Determination of individual isomers of nonylphenol - Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
ISO 20596-2:2021 Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)
ISO 21863:2020 Water quality - Determination of alkylmercury compounds in water - Method using gas chromatography-mass spectrometry (GC-MS) after phenylation and solvent extraction
ISO 17943:2016 Water quality - Determination of volatile organic compounds in water - Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS)

European Committee for Standardization (CEN)

EN 16693:2015 Water quality - Determination of organochlorine pesticides (OCP) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)
EN 16691:2015 Water quality - Determination of selected polycyclic aromatic hydrocarbons (PAH) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)
EN 16694:2015 Water quality - Determination of selected polybrominated diphenly ether (PBDE) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography - mass spectrometry (GC-MS)
prEN ISO 22032 rev Water quality — Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge — Method using extraction and gas chromatography/mass spectrometry
EN ISO 22032:2009 Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry
EN ISO 20596-2:2022 Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021)
EN ISO 9377-2:2000 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography

Spanish Association for Standardization (UNE)

UNE-EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)
UNE-EN ISO 20596-2:2023 Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021)

Lithuanian Standards Office

LST EN ISO 17495:2004 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)

South African Bureau of Standard

SANS 17495:2002 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection

(U.S.) Ford Automotive Standards

FORD FLTM AO 108-02-2021 DETERMINATION OF ACETIC ACID IN RESINS QUANTITATIVELY USING THERMAL EXTRACTION AND GAS CHROMATOGRAPHY - MASS SPECTROMETRY (GC-MS)

AT-ON

ONORM M 6623-1994 Water analysis - Determination of phenoxyalkyl carbonic acids by gas chromatography and mass-spectrometric detection after solid-liquid-extraction and derivatization

RU-GOST R

GOST 27868-1988 High purity substances. Method for concentration of microimpurities by extraction

GOSTR

GOST 27868-2019 High purity substances. Method for concentration of microimpurities by extraction

VN-TCVN

TCVN 6199-1-1995 Water quality.Determination of selected monovalent fenol.Part 1: Gas chromatographic method after enrichment by extraction

Indonesia Standards

SNI 06-6990.1-2004 Water - Part 1: Test methods of organochlorine pesticides with extraction using n-hexane solvent by gas chromatography-mass spectrophotometers (GC-MS)