How to liquid phase method butyric acid

How to liquid phase method butyric acid, Total:138 items.

The international standard classification for "How to liquid phase method butyric acid" includes: Protection against crime , Workplace atmospheres , Sugar and sugar products , Aliphatic hydrocarbons , Rubber compounding ingredients , Materials and articles in contact with foodstuffs , Auxiliary materials and additives for plastics , Cosmetics. Toiletries , Tobacco, tobacco products and related equipment , Occupational safety. Industrial hygiene , Fruits. Vegetables and derived products in general .

The Chinese standard classification for "How to liquid phase method butyric acid" includes: Crime judging technology , Labor sanitation , Beekeeping, silkworm keeping , Basic organic chemicals , Carbon black , Food sanitation , Organic chemicals in general , Cosmetics , Diagnostic standard for occupational diseases , Basic standards and general methods , Tobacco curing in general , Sugar refining , Cash crop in general .

Professional Standard - Public Safety Standards

GA/T 2031-2023 Forensic sciences-Examination methods for dolantin in suspected drugs-LC and LC-MS
GA/T 1074-2013 GC-MS and LC-MS/MS examination methods for γ-hydroxybutyric acid in biological samples
GA/T 2029-2023 Forensic sciences-Examination methods for buprenorphine in suspected drugs-LC and LC-MS

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

GB/T 3780.4-1994 Carbon black--Preparation of sample and determination of dibutylphthalate absorption number(compressed sample)
GB/T 17082-1997 Workplace air--Determination of butyl acetate--Solvent desorption gas chromatographic method
GB/T 31408-2015 Determination of phenacetin in hair dye―Liquid chromatography method
GB/T 16069-1995 Workplace air--Determination of butyl acetate--Direct injection gas chromatographic method
GB/T 23296.21-2009 Food contact materials - Polymer - Determination of maleic acid and maleic anhydride in food simulants - High performance liquid chromatography
GB/T 16060-1995 Workplace air--Determination of butanone--Direct injection gas chromatographic method
GB/T 13290-1991 Propylene and butadiene for industrial use－Sampling in the liquid phase
GB/T 16040-1995 Workplace air―Determination of butadiene―Direct injection gas chromatographic method
GB/T 13290-2014 Propylene and butadiene for industrial use―Sampling in the liquid phase
GB/T 16091-1995 Workplace air--Determination of chloroprene--Direct injection gas chromatographic method
GB/T 44350-2024 Determination of methyl syringate in rape honey—High performance liquid chromatography method
GB/T 6022-1999 Butadiene for industrial use-Determination of oxygen in the gaseous phase above liquid butadiene -Gas chromatographic method
GB/T 3780.4-2003 Carbon black—Part 4:Determination of dibutylphthalate absorption number and preparation of samples(compressed sample)
GB/T 16065-1995 Workplace air--Determination of butyl alcohol--Direct injection gas chromatographic method

Jilin Provincial Standard of the People's Republic of China

DB22/T 1988-2013 Determination of Eugenol in Aquatic Products by High Performance Liquid Chromatography
DB22/T 2640-2017 Determination of maleic acid and maleic anhydride in starch by high performance liquid chromatography
DB22/T 2598-2016 Determination of indole acetic acid and indole butyric acid in ginseng by liquid chromatography-mass spectrometry/mass spectrometry

Professional Standard - Environmental Protection

HJ/T 72-2001 W ater quality - Determination of phthalate(dimethyl dibutyl dioctyl) - Liquid chromatography
HJ 1002-2018 Water quality - Determination of butyl xanthate - Liquid chromatography/triple quadrupole tandem mass spectrometry

Professional Standard - Agriculture

SN/T 5044-2018 Quarantine protocol of liquid chip for the detection of west nile fever virus
SN/T 5672-2024 Determination of iodopropynyl butyl carbamate in textiles for import and export - High performance liquid chromatography
SZDB/Z 322-2018 Determination of maleic acid in food by high performance liquid chromatography

农业农村部

NY/T 2890-2016 Determination of γ-aminobutyric acid in rice. HPLC

Group Standards of the People's Republic of China

T/SDFA 034-2023 Determination of γ-aminobutyric acid in mixed feed additives by high performance liquid chromatography
T/CRIAC 0096-2024 Chemical reagent—Butyl acetate for high performance liquid chromatography
T/QAS 013-2020 Determination of Rutin in Lycium Barbarum by High Performance Liquid Chromatography
T/SDFA 008-2023 Determination of Butyric Acid in Mixed Feed Additives by High Performance Liquid Chromatography
T/CGTA 03-2024 Determination of γ—aminobutyric acid in germinated brown rice by high performance liquid chromatography-tandem mass spectrometry method
T/CGTA 09-2024 Determination of γ-aminobutyric acid in germinated brown rice by high performance liquid chromatography-tandem mass spectrometry

Professional Standard - Hygiene

WS/T 54-1996 Urine - Determination of phenylglyoxylic acid and mandelic adid - High performance liquid chromatographic method
WS/T 53-1996 Urine - Determination of hippuric acid and methylhipuric acid - High performance liquid chromatographic method
WS/T 149-1999 Workplace air. Determination of dibutyl phthalate and di-n-octyl phthalate. High-performance liquid chromatography method
WS/T 161-1999 Workplace air. Determination of butyl acrylate. Gas chromatographic method

海关总署

SN/T 2012-2019 Determination of benzoic acid and sorbic acid in vinegar for export-LC and I C-MS/MS method

Professional Standard - Tobacco

YC/T 423-2011 Determination of benzoic acid,sorbic acid,methylparaben,ethylparaben,propylparaben and butylparaben in tobacco flavourings and casings—High performance liquid chromatographic method

Professional Standard - Commodity Inspection

SN/T 2012-2007 Determination of benzoic acid and sorbic acid in vinegar for export and import-Liquid chromatography
SN/T 1499-2004 Determination of kojic acid in cosmetics -- Liquid chromatography
SN/T 1498-2004 Determination of magnesium L-ascorbyl-2 - Phosphate in cosmetics - Liquid chromatography
SN/T 1500-2004 Determination of glycyrrhizic acid dipotassium in cosmetics - Liquid chromatography
SN/T 2007-2007 Determination of lactic|| ciric|| and fumaric acid in fruit juice for import and export. HPLC
SN/T 1303-2003 Method for the determination of benzoic acid sorbic acid and p-hydroxybenzoates in royal jelly -- Liquid chromatographic method

Liaoning Provincial Standard of the People's Republic of China

DB21/T 2752-2017 Determination of Chitooligosaccharide Content by Liquid Chromatography

国家质量监督检验检疫总局

SN/T 4587-2016 Determination methods of total content of cis-2-butenedioicacid and cis-2-butenedioic anhydride in foods for export
SN/T 1392-2015 Determination of MCPA and MCPB residues in meat and meat products for export-HPLC-MS/MS method

Professional Standard - Customs

HS/T 24-2009 Qualitative and quantitatve method for the determination of α-acid and β-acid in hop concretes.LC-MS/MS method

National Health Commission of the People's Republic of China

GBZ/T 330-2024 Determination standard of 1,2-dihydroxy-4-(N-acetylcysteine)-butane in urine―Liquid chromatography-tandem mass spectrometry

Shanghai Provincial Standard of the People's Republic of China

DB31/T 335-2005 Determination of salbutamol in feeds (LC-MS)
DB31/T 339-2005 Determination of salbutamol in swine liver (LC-MS)

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 2004-2012 Determination of Zhongbucarb in Mosquito-repellent Incense by High Performance Liquid 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 40833-2021 Determination of p-coumaric acid in sugarcane rinds—High performance liquid chromatography

Occupational Health Standard of the People's Republic of China

GBZ/T(卫生) 254-2014 Determination of S-phenylmercapturic acid in urine by high performance liquid chromatogrphy

International Organization for Standardization (ISO)

ISO/PRF 8563 Propylene and butadiene for industrial use — Sampling in the liquid phase
ISO 8563:2023 Propylene and butadiene for industrial use — Sampling in the liquid phase
ISO 8563:1987 Propylene and butadiene for industrial use; Sampling in the liquid phase
ISO 6792:1982 Butadiene for industrial use; Determination of oxygen and argon in the gaseous phase above liquid butadiene; Gas chromatographic method
ISO 20638:2015 Infant formula — Determination of nucleotides by liquid chromatography

Association Francaise de Normalisation

NF ISO 8563:1987 Propylène et butadiene à usage industriel - Échantillonnage en phase liquide
NF T20-818*NF ISO 8563:1987 Propylene and butadiene for industrial use. Sampling in the liquid phase.
NF EN 17298:2019 Animal foodstuffs - Methods of sampling and analysis - Determination of benzoic acid and sorbic acid by high pressure liquid chromatography (HPLC)
NF V18-218*NF EN 17298:2019 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by high performance liquid chromatography (HPLC)
NF T20-812:1983 Butadiene for industrial use. Determination of oxygen and argon in the gaseous phase above liquid butadiene. Gas chromatographic method.
NF U42-120*NF EN 16651:2015 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)
NF U42-115*NF EN 15688:2008 Fertilizers - Determination of urease inhibitor N-(n-butyl) thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)
NF ISO 20638:2016 Infant formulas - Determination of nucleotide content by liquid chromatography
NF V03-188*NF ISO 20638:2016 Infant formula - Determination of nucleotides by liquid chromatography

GCC Standardization Organization

GSO ISO 8563:2008 Propylene and butadiene for industrial use - Sampling in the liquid phase
GSO ISO 25101:2013 Water quality - Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) - Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
GSO 2176:2011 Butyl acetate for industrial use- Methods of test
GSO ISO 20638:2021 Infant formula — Determination of nucleotides by liquid chromatography

Korean Agency for Technology and Standards (KATS)

KS M ISO 8563:2002 Propylene and butadiene for industrial use-Sampling in the liquid phase
KS M ISO 8563:2013 Propylene and butadiene for industrial use－Sampling in the liquid phase
KS M 1987-2009 Butadiene for industrial use－Determination of oxygen and argon in the gaseous phase above liquid butadiene－Gas chromatographic method
KS M ISO 8563-2002(2012) Propylene and butadiene for industrial use－Sampling in the liquid phase
KS M ISO 3139-2021 Aqueous hydrofluoric acid for industrial use－Sampling and methods of test
KS M 1202-1983 Sampling methods for sulfuric acid
KS M 1918-2002(2007) Maleic anhydride for industrial use－Methods of test－Determination of maleic anhydride content－Titrimetric method
KS M 1987-2002(2007) Butadiene for industrial use－Determination of oxygen and argon in the gaseous phase above liquid butadiene－Gas chromatographic method

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 8563:2008 Propylene and butadiene for industrial use - Sampling in the liquid phase
OS GSO 2176:2011 Butyl acetate for industrial use- Methods of test
OS GSO ISO 25101:2013 Water quality - Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) - Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry

British Standards Institution (BSI)

BS ISO 8563:2023 Propylene and butadiene for industrial use. Sampling in the liquid phase
22/30452602 DC BS ISO 8563. Propylene and butadiene for industrial use. Sampling in the liquid phase
BS EN 17298:2019 Animal feeding stuffs. Methods of sampling and analysis. Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)
BS EN 16651:2015 Fertilizers. Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT). Method using high-performance liquid chromatography (HPLC)
BS ISO 25101:2009 Water quality - Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) - Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
BS 5293-17:1993 Sampling and testing carbon black for use in the rubber industry - Method for determination of dibutyl phthalate absorption number using an absorptometer
BS 5366:1976 Methods of sampling and test for aqueous hydrofluoric acid for industrial use
BS EN 15688:2008 Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)
BS 4832:1972 Method for assessing the compatibility of hydraulic and lubricating fluids with elastomeric sealing materials - petroleum oils with nitrile rubbers
BS 4140-13:1986 Methods of test for aluminium oxide. Preparation of sample solution by treatment with hydrochloric acid under pressure

BE-NBN

NBN T 04-516-1988 Propylene and butadiene for industrial use - Sampling in the liquid phase

Standards Norway

NS-EN 17298:2019 Animal feeding stuffs — Methods of sampling and analysis — Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)

Danish Standards Foundation

DANSK DS/EN 17298:2019 Animal feeding stuffs – Methods of sampling and analysis – Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)
DS/ISO 25101:2009 Water quality - Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) - Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
DANSK DS/ISO 25101:2009 Water quality - Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) - Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
DANSK DS/EN 16651:2015 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)

German Institute for Standardization

DIN EN 17298:2019-11 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC); German version EN 17298:2019
DIN EN 17298:2019 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)
DIN EN 17298 E:2018-09 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)
DIN EN 17298 E:2018 Draft Document - Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by high pressure liquid chromatography (HPLC-UV); German and English version prEN 17298:2018
DIN EN 17298:2018-09 Draft Document - Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by high pressure liquid chromatography (HPLC-UV); German and English version prEN 17298:2018
DIN EN 16651 E:2014-04 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)
DIN EN 16651:2015-07 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC); German version EN 16651:2015
DIN EN 16651:2015 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC); German version EN 16651:2015
DIN EN 15688:2008 Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC); English version of DIN EN 15688:2008-11

Gosstandart of Russia

GOST 32712-2014 Juice products. Determination of fumaric acid by high performance liquid chromatography
GOST EN 16343-2016 Cosmetic products Determination of 3-iodo-2-propynylbutylcarbamate (IPBC) by liquid chromatography and mass spectrometry
GOST EN 15688-2016 Fertilizers. Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide using high-perfomance liquid chromatography

Ente Nazionale Italiano di Unificazione

UNI EN 17298:2019 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)

Spanish Association for Standardization (UNE)

UNE-EN 17298:2020 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)
UNE-EN 16651:2016 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)
AENOR UNE-EN 16651:2016 Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)

CEN - European Committee for Standardization

PREN 17298-2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Pressure Liquid Chromatography (HPLC)
PREN 17212-2017 Animal Feeding stuffs: Methods of sampling and analsysis - Determination of melamine and cyanuric acid content by liquid chromatographic method with mass spectrometric detection (LC-MS/MS)

American Society for Testing and Materials (ASTM)

ASTM D1466-86(1995)e1 Standard Test Method for Sampling Liquid Oils and Fatty Acids Commonly Used in Paints, Varnishes, and Related Materials
ASTM D3438-99 Standard Practice for Sampling and Handling Naphthalene, Maleic Anhydride, and Phthalic Anhydride
ASTM D3493-09 Standard Test Method for Carbon Black-Oil Absorption Number of Compressed Sample (COAN)
ASTM D2548-69 Method of Analysis of Oil Soluble Petroleum Sulfonates by Liquid Chromatography
ASTM D817-12(2019) Standard Test Methods of Testing Cellulose Acetate Propionate and Cellulose Acetate Butyrate
ASTM D1717-65(1975)e1 Method of Test for Analysis of Commercial Butane-Butiene Mixtures and Isolutylene by Gas Chromatography
ASTM D3712-91(2000)e1 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates by Liquid Chromatography
ASTM D7995-19 Standard Test Method for Total Water in Liquid Butane by Liquefied Gas Sampler and Coulometric Karl Fischer Titration
ASTM D3712-18 Standard Test Method of Analysis of Oil-Soluble Sulfonates by Liquid Chromatography

Swedish Institute for Standards

SS-EN 17298:2019 Animal feeding stuffs - Methods of sampling and analysis - Determination of benzoic and sorbic acid by High Performance Liquid Chromatography (HPLC)

Association of German Mechanical Engineers

VDI 2457-6-81 VDI Guideline (VDI Directive): Gas emission measurement. Gas chromatographic determination of (n-), iso-, tert-butyl acetate

Lithuanian Standards Office

LST IEC 60475:2002 Method of sampling liquid dielectrics (identical IEC 60475:1974)

PL-PKN

PN Z04217-02-1991 Air purity protection Tests for maleic anhydride content Determination of maleic anhydride in work places by high performance li?uid chromatography
PN C45400-1991 Chemical organic products. Test methods. Determination of impurities in butyl acetate by gas chromatography and calculation of butyl acetate content
PN Z04520-2020-12 P Air purity protection -- Determination of n-butyl acetate and its isomers: isobutyl acetate and sec-butyl acetate in workplaces by gas chromatography with flame-ionization detection

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 20638:2022 Infant formula — Determination of nucleotides by liquid chromatography
BH GSO ISO 25101:2016 Water quality - Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) - Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry

Bureau of Indian Standards

IS 16641-2018 Infant Formula - Determination of Nucleotides by Liquid Chromatography
IS 3025-84-2024 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 84 Determination of Chromate, Iodide, Sulfite, Thiocyanate and Thiosulfate by Liquid Chromatography

European Committee for Standardization (CEN)

EN 15688:2008 Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)

IN-BIS

IS 11211-1984 Phosphate Rock Sampling Methods

Others: Liquid-phase method for butyric acid,How to liquid phase method butyric acid