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Mass Spectrometry Source of Naphthalene

Mass Spectrometry Source of Naphthalene, Total:499 items.

In the international standard classification, Mass Spectrometry Source of Naphthalene involves: Water quality, Vocabularies, Organic chemicals, Electronic components in general, Products of the chemical industry, Analytical chemistry, Products of the textile industry, Biology. Botany. Zoology, Air quality, Edible oils and fats. Oilseeds, General methods of tests and analysis for food products, Nuclear energy engineering, Equipment for petroleum and natural gas industries, Meat, meat products and other animal produce, Pesticides and other agrochemicals, Microbiology, Food products in general, FOOD TECHNOLOGY, Soil quality. Pedology, Farming and forestry, Rubber, Sugar. Sugar products. Starch, Fuels, Animal feeding stuffs, Fishing and fish breeding, Fertilizers, Information technology (IT) in general, Tea. Coffee. Cocoa, Beverages, Optics and optical measurements, Beekeeping, Cereals, pulses and derived products, Transport, Fruits. Vegetables, Protection against crime, Textile fibres, Information sciences. Publishing, Materials and articles in contact with foodstuffs.

Professional Standard - Commodity Inspection, Mass Spectrometry Source of Naphthalene

SN/T 4034-2014 Determination of naphthols in cosmetics for import and export.LC-MS/MS method
SN/T 3467.1-2013 Determination of polychlorinated naphthalenes in electrical and electronic products.Gas chromatorgaphy-mass spectrometry
SN/T 4039-2014 Determination of 1-naphthaleneacetamide,pyraflufen-ethyl, ethiprole,fipronil residues in foodstuffs for export.LC-MS/MS method
SN/T 2831-2011 Gas chromatography-mass spectrometry for the determination of diisopropylnaphthalene (DIPN) in paper and paperboard for export food contact materials
SN/T 2674-2010 Determination of nanaomycin residues in foodstuffs of animal origin for import and export.LC-MS/MS
SN/T 4144-2015 Determination of Carazolol in foodstuffs of animal origin for export.LC-MS/MS method
SN/T 2453-2010 Determination of zoalene residues in foodstuffs of animal origin for import and export- LC-MS/MS method
SN/T 2675-2010 Determination of morantel metabolism residue in foodstuffs of animal origin for import and export.LC-MS/MS
SN/T 0197-2014 Method for determination of olaquindox metabolites residues in foodstuff of animal origin for export.LC-MS/MS
SN/T 3925-2014 Determination of milbemycins residues in foodstuffs of animal origin for export.LC-MS/MS method
SN/T 2624-2010 Determination of basic veterinary drugs residues in foodstuffs of animal origin for import and export.HPLC-MS/MS method
SN/T 2157-2008 Determination of mequindox residue in foodstuffs of animal origin for import and export.HPLC-MS/MS method
SN/T 2748-2010 Determination of peptide vererinary drug residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2222-2008 Determination of glucocorticosterids residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 3699-2013 Determination of four thiazole fungicide residues in food of plant origin for export.HPLC-MS/MS method
SN/T 2213-2008 Determination of substituted ureas pesticides residues in foodstuffs of plant origin for import and export.LC-MS/MS method
SN/T 2216-2008 Determination of colchicine residues in foodstuffs of animal origin for import and export LC-MS/MS method
SN/T 2226-2008 Determination of urotropine residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 0293-2014 Determination of paraquat and diquat residues in foodstuffs of plant origin for export.LC-MS/MS method
SN/T 2442-2010 Determination of moxidectin residues in foodstuffs of animal origin- LC-MS/MS method
SN/T 2160-2008 Determination of prednisolone residues in animal food.GC-MS/MS method
SN/T 3035-2011 Determination of cyclohexanedione herbicides residues in foodstuffs origined from plant for export. LC-MS/MS method
SN/T 2444-2010 Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export- LC-MS/MS method
SN/T 2113-2008 Determination of residues of tranquilizer drugs in animal-origin foodstuffs for import and export.LC-MS/MS method
SN/T 0603-2013 Determination of tralomethrin residues in food of plant origin for export.LC-MS/MS
SN/T 2317-2009 Determination of piperazine residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2445-2010 Determination of pentachlorophenol residues in foodstuffs of animal origin for import and export- LC-MS/MS method
SN/T 2908-2011 Detection method of chlorsulone residues in food of animal origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 2443-2010 Determination of multi-residues of acidic and neutral drugs in foodstuffs of animal origin for import and export- LC-MS/MS method
SN/T 1544-2005 Inspection of zeranol residues in animal original products for import and export - HPLC-MS/MS method
SN/T 2218-2008 Determination of lincosamide residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2225-2008 Determination of tioproin and its metabolites residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 1979-2007 Determination of praziquantel residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 1921-2007 Determination of residue of flumequine in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2451-2010 Determination of sodium nifurstyrenate residues in foodstuffs of animal origin-LC-MS/MS method
SN/T 2488-2010 Determination of clavulanic acid residues in foodstuffs of animal origin for import and export-LC-MS/MS method
SN/T 3144-2011 Determination of coccidiostat residues in foodstuffs of animal origin for export.LC-MS/MS method
SN/T 2654-2010 Determination of moroxydine residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 1980-2007 Determination of progestogens residues in food of animal origin for import and export.HPLC-MS/MS method
SN/T 2217-2008 Determination of barbiturates residues in foodstuffs of animal origin for import and export.HPLC-MS/MS method
SN/T 2153-2008 Determination of residue of dicyclanil in foodstuffs of animal origin for import and export-LC-MS/MS method
SN/T 2223-2008 Determination of tiamulin residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2224-2008 Determination of rifaximin residue in foodstuffs of animal origin for export and import.LC-MS/MS method
SN/T 2239-2008 Determination of isometamidium residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 1928-2007 Determination of nitroimidazoles residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2487-2010 Determination of apramycin residues in foodstuffs of animal origin for import and export-LC-MS/MS method
SN/T 3235-2012 Determination of multi-groups of banned drug residues in foodstuffs of animal origin for export.LC-MS/MS method
SN/T 1920-2007 Determination of trichIorfor, dichlorvos and coumaphos residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2227-2008 Determination of metroclopramide residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 3628-2013 Determination of 11 dinitroaniline herbicide residues in botanical foodstuffs for export.GC-MS/MS method
SN/T 4252-2015 Determination of imidocarb residues in foodstuffs of animal origin for export.HPLC method and LC-MS/MS method
SN/T 1985-2007 Determination of phenothiazines residues in foodstuffs of animal origin for import and export.LC-MS/MS Method
SN/T 2190-2008 Determination of residues of non-steroidal anti-inflammatory drugs in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 2220-2008 Determination of benzodiazepine residues in foodstuffs of animal origin for import and export.HPLC-MS/MS metfod
SN/T 2677-2010 Determination of androgen residues in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 1751.2-2007 Determination of multi-residues of quinolones in food of animal origin for import and export.Part 2: LC-MS/MS method
SN/T 2219-2008 Determination of dapsone and its metabolite residues in foodstuffs of animal origin for import and export.LC/MS/MS method
SN/T 0217-2014 Determination of multiple pyrethroid residues in plant food for export.GC-MS method
SN/T 2050-2008 Determination of 14 beta-lactam antibiotic residues in foodstuffs of animal origin for export and import.LC-MS/MS method
SN/T 3467.2-2014 Determination of polychlorinated naphthalenes in electrical and electronic products.Part 2:High performance liquid chromatography method
SN/T 2318-2009 Determination of diclazuril,toltrazuril,toltrazuril sulfoxide and toltrazuril sulfone residues in foodstuffs of animal origin.HPLC-MS/MS method
SN/T 2214-2008 Determination of fluroxypyr,diflufenzopyr,dithiopyr and thiazopyr residues in food of plant origin for import and export.LC-MS/MS method
SN/T 1924-2007 Determination of clenbutero1, ractopamine, salbutamnol and terbutalin residues in foodstuffs of animal origin for import and export.HPLC-MS/MS method
SN/T 1924-2011 Determination of clenbuterol,ractopamine,salbutemol and terbutalin residues in foodstuffs of animal origin for import and export.HPLC-MS/MS Method
SN/T 3853-2014 Determination of kojic acid in foods for export.LC-MS/MS method
SN/T 1826-2006 Determination of 19-Nortestosterone residues in foodstuff of animal origin for import and export. GC-MS
SN/T 1864-2007 Determination of chloramphenicol residue in animal-derived food for import and export.LC-MS/MS method
SN/T 4048-2014 Determination of quaternary ammonium compounds in food for export.LC-MS/MS method
SN/T 4146-2015 Determination of nonylphenol in cosmetics.Liquid chromatography tandem mass spectrometry
SN/T 1922-2007 Determination of residues of paracetamol and acetylsalicylic acid in foodstuffs of animal origin for import & export.LC-MS/MS method
SN/T 1988-2007 Determination of cefalexin, cephapirin and cefazolin residues in foodstuffs of animal origin for import and export.LCMS/MS method
SN/T 3937-2014 Determination of choline phosphate in drinks for export.LC-MS/MS method
SN/T 3929-2014 Determination of L-hydroxyproline in foodstuffs for export.LC-MS/MS method
SN/T 3123-2012 Determination of musk xylene in detergent products.Gas chromatography-tandem mass spectrometry
SN/T 3607-2013 Determination of volatile nitrosamines in cosmetics.Gas chromatography-tandem mass spectrometry method
SN/T 0350-2012 Determination of gibberellic acid residues in fruit for export.LC-MS/MS
SN/T 3543-2013 Determination of hexabromocyclododecane (HBCD) in food for export.Liquid chromatography-tandem mass spectrometry method
SN/T 3622-2013 Determination of 2-chloroaniline in foodstuffs for export.LC/MS/MS method
SN/T 3860-2014 Determination of pymetrozine residues in food for export.LC-MS/MS method
SN/T 3865-2014 Determination of lycopene in health foods for export.LC-MS/MS method
SN/T 3867-2014 Determination of rimonabant in health food for export.LC-MS/MS method
SN/T 4319-2015 Detection of Microcystins in Exported Aquatic Products by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4051-2014 Determination of orlistat in health foods for export.HPLC-MS/MS method
SN/T 0707-2014 Determination of dinitrocresol residues in foods for export.LC-MS/MS method
SN/T 4045-2014 Determination of mesotrione residues in food for export.LC-MS/MS method
SN/T 4263-2015 Determination of multi-appetite suppressants in food for export.LC-MS/MS method
SN/T 2457-2010 Determination of dinoseb residues in food for import and export-LC-MS/MS method
SN/T 0670-2012 Determination of tylosin residues in food for export.LC-MS/MS
SN/T 3540-2013 Determination of prohibited dyes in foods for export.LC-MS/MS Method
SN/T 3847-2014 Determination of benzodiazepines content in foods for export.LC-MS/MS method
SN/T 3852-2014 Determination of metaflumizone residues in food for export.LC-MS/MS method
SN/T 0123-2010 Determination of organophosphorus multiresidues in foodstuffs of animal origin for import and export.GC-MS method
SN/T 2221-2008 Determination of azaperone and its metabolite residues in foodstuffs of animal origin for import and export.GC-MS method
SN/T 4259-2015 Determination of alternaria toxins residues in fruit and vegetables for export.LC-MS/MS method
SN/T 0526-2015 Determination of piperonyl butoxide residues in foodstuffs for export.LC-MS/MS method
SN/T 2394-2009 Determination of perfluorooctane sulfonic acid (PFOS) in extinguisher for import and export.LC-MS/MS
SN/T 2387-2009 Determination of validamycin residues in food for import and export.LC-MS/MS method
SN/T 2395-2009 Determination of perfluorooctane sulfonic acid (PFOS) in pesticide for import and export.LC-MS/MS
SN/T 2449-2010 Determination of perfluorooctane sulfonic acid in leather and leather products- LC-MS/MS
SN/T 2458-2010 Determination of tridemorph residues in food for import and export-LC-MS/MS method
SN/T 2514-2010 Determination of tiadinil residues in food for import and export-LC-MS/MS method
SN/T 2581-2010 Determination of flubendiamide residues in food for import and export.LC-MS/MS
SN/T 3508-2013 Determination of hexabromocyclododecane in import and export textiles.Liquid chromatography tandem mass spectrometry method
SN/T 3863-2014 Determination of water soluble basic dyes in foods for export.LC-MS/MS method
SN/T 3866-2014 Determination of phenolphthalein and emodin in health food for export.LC-MS/MS method
SN/T 3018-2011 Determination of hexabromocyclododecane (HBCD) in plastics and plastics articles.Liquid chromatography-tandem mass spectrometry
SN/T 2538-2010 Determination of sulfonamides potentiator residues in animal origin foodstuffs for import and export-LC-MS/MS method
SN/T 3467.3-2014 Determination of polychlorinated naphthalene in electrical and electronic products.Part 3:Gas chromatography-electron capture detector method
SN/T 4031-2014 Determination of acrylamide monomer residues in cosmetics for export.LC-MS/MS method
SN/T 1923-2007 Determination of glyphosate residues in food for import and export.HPLC-MS/MS method
SN/T 2386-2009 Determination of cloransulam-methyl residues in food for import and export.LC-MS/MS
SN/T 2392-2009 Determination of perfluorooctane sulfonic acid (PFOS) in chemical products for import and export.LC-MS/MS
SN/T 2396-2009 Determination of perfluorooctane sulfonic acid (PFOS) in light industrial products for import and export.LC-MS/MS
SN/T 3538-2013 Determination of six kinds of artificial sweeteners in foodstuffs for export.LC-MS/MS method
SN/T 3649-2013 Determination of fluoroquinolones in feedstuff.LC-MS/MS method
SN/T 3857-2014 Determination of isoxaflutole and its metabolites residues in foodstuffs for export.LC-MS/MS method
SN/T 2561-2010 Determination of pyridine pesticides residues in foodstuffs for import and export.LC-MS/MS
SN/T 2623-2010 Determination of pyriproxyfen residues in foodstuffs for import and export.HPLC-MS/MS method
SN/T 2807-2011 Determination of acifluorfen residues in imported and exported foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4114-2015 Determination of anthracene in carbon black.Gas chromatography-mass spetrometry
SN/T 1865-2007 Determination of thumphenicol and florfenicol residues in animal-derived food for import and export.LC-MS/MS method
SN/T 0127-2011 Determination of BHCs,DDTs and HCB residues in foods of animal origin for import and exprot.GC-MS method
SN/T 4140-2015 Determination of heterocyclic amines in fish sausage and essence for export.LC-MS/MS method
SN/T 4251-2015 Determination of azaspiracid shellfish poison residues in shellfish for export.LC-MS/MS method

British Standards Institution (BSI), Mass Spectrometry Source of Naphthalene

BS PD ISO/TS 16780:2015 Water quality. Determination of polychlorinated naphthalenes (PCN). Method using gas chromatography (GC) and mass spectrometry (MS)
PD ISO/TS 16780:2015 Water quality. Determination of polychlorinated naphthalenes (PCN). Method using gas chromatography (GC) and mass spectrometry (MS)
13/30244111 DC BS ISO 16780. Water Quality. Determination of polychlorinated naphthalenes (PCN). Method using gas chromatography (GC) and mass spectrometry (MS)
BS ISO 11564:1998 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method
BS EN ISO 15009:2012 Soil quality. Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons. Purge-and-trap method with thermal desorption
BS EN ISO 15009:2013 Soil quality. Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons. Purge-and-trap method with thermal desorption
BS EN ISO 15680:2003 Water quality. Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
BS EN 12393-3:2013 Foods of plant origin. Multiresidue methods for the determination of pesticide residues by GC or LC-MS/MS. Determination and confirmatory tests
BS EN 12393-2:2013 Foods of plant origin. Multiresidue methods for the determination of pesticide residues by GC or LC-MS/MS. Methods for extraction and clean-up
BS ISO 11632:1998 Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography method
BS EN ISO 15009:2016 Tracked Changes. Soil quality. Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons. Purge-and-trap method with thermal desorption
19/30381735 DC BS IEC 63209-11. Determination of certain substances in electrotechnical products - Part 11. TCEP in polymers by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry
PD ISO/TS 28581:2012 Water quality. Determination of selected non-polar substances. Method using gas chromatography with mass spectrometric detection (GC-MS)

International Organization for Standardization (ISO), Mass Spectrometry Source of Naphthalene

ISO/TS 16780:2015 Water quality - Determination of polychlorinated naphthalenes (PCN) - Method using gas chromatography (GC) and mass spectrometry (MS)
ISO 11564:1998/cor 1:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method; Technical Corrigendum 1
ISO 15680:2003 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
ISO 15647:2004 Nuclear energy - Isotopic analysis of uranium hexafluoride - Double-standard gas-source mass spectrometric method
ISO 15009:2012 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
ISO 15009:2002 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
ISO 15009:2016 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
ISO 11632:1998 Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography method
ISO 13084:2018 Surface chemical analysis — Secondary ion mass spectrometry — Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
ISO/TS 28581:2012 Water quality - Determination of selected non-polar substances - Method using gas chromatography with mass spectrometric detection (GC-MS)

Professional Standard - Environmental Protection, Mass Spectrometry Source of Naphthalene

HJ 1073-2019 Determination of Water Quality Naphthol by High Performance Liquid Chromatography
HJ 734-2014 Stationary source emission.Determination of volatile organic compounds.Sorbent adsorption and thermal desorption gas chromatography mass spectrometry method
HJ 715-2014 Water quality — Determination of polychlorinated biphenyls (PCBs) — Gas chromatography mass spectrometry
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ/T 43-1999 Stationary source emission-Determination of nitrogen oxide-N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method
HJ 1002-2018 Determination of Water Quality Butylxanthate by Liquid Chromatography-Mass Spectrometry
HJ 909-2017 Determination of polybrominated diphenyl ethers in water by gas chromatography-mass spectrometry
HJ 744-2015 Water quality—Determination of phenols compounds—Gas chromatography mass spectrometry
HJ 959-2018 Water quality-Determination of tetraethyl lead-Headspace/gas chromatography-mass spectrometry
HJ 822-2017 Water Quality Determination of Aniline Compounds Gas Chromatography-Mass Spectrometry
HJ 716-2014 Water quality.Determination of nitroaromatics.Gas chromatography mass spectrometry
HJ 866-2017 Water quality - Determination of turpentine —Purge and trap/gas chromatography-mass spectrometry
HJ 1189-2021 Determination of 28 Organophosphorus Pesticides in Water Quality by Gas Chromatography-Mass Spectrometry
HJ 1150-2020 Determination of Nitrophenol Compounds in Water Quality by Gas Chromatography-Mass Spectrometry
HJ 810-2016 Water quality –Determination of volatile organic compounds – Headspace / Gas chromatography mass spectrometry
HJ 896-2017 Water quality – Determination of butyl xanthate-Purge and trap/gas chromatography-mass spectrometry

German Institute for Standardization, Mass Spectrometry Source of Naphthalene

DIN ISO/TS 16780:2018-07*DIN SPEC 38407-46:2018-07 Water quality - Determination of polychlorinated naphthalenes (PCN) - Method using gas chromatography (GC) and mass spectrometry (MS) (ISO/TS 16780:2015)
DIN EN ISO 15680:2004 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption (ISO 15680:2003); German version EN ISO 15680:2003
DIN EN ISO 15680:2004-04 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption (ISO 15680:2003); German version EN ISO 15680:2003
DIN EN ISO 15009:2016-07 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption (ISO 15009:2016); German version EN ISO 15009:2016
DIN CEN/TS 17337:2019-08*DIN SPEC 33981:2019-08 Stationary source emissions - Determination of mass concentration of multiple gaseous species - Fourier transform infrared spectroscopy; German version CEN/TS 17337:2019

Professional Standard - Tobacco, Mass Spectrometry Source of Naphthalene

YC/T 376-2010 Determination of β-naphthol in tobacco additives.Gas chromatography-mass spectrometry method

Professional Standard - Ferrous Metallurgy, Mass Spectrometry Source of Naphthalene

YB/T 5154-2016 Technical methylnaphalene.The determination of methylnaphthalene content and naphthalene content.The gas chromatography
YB/T 5154-1993 Gas Chromatographic Determination Method of Methylnaphthalene and Naphthalene Content in Industrial Methylnaphthalene
YB/T 5078-2010 Determination of Naphthalene Content in Coal Tar by Gas Chromatography

国家市场监督管理总局、中国国家标准化管理委员会, Mass Spectrometry Source of Naphthalene

GB/T 40031-2021 Determination of polychlorinated naphthalenes in electrical and electronic products—Gas chromatorgaphy-mass spectrometry method
GB/T 40348-2021 Determination of capsaicinoid in plant derived products—Liquid chromatography-tandem mass spectrometry
GB/T 40179-2021 Determination of organic acids in plant—Liquid chromatography-tandem mass spectrometry

Group Standards of the People's Republic of China, Mass Spectrometry Source of Naphthalene

T/CHES 42-2020 Water Quality Determination of Aldicarb, Carbofuran and Carbaryl by Liquid Chromatography
T/HZAS 16-2021 Determination of the migration of diisopropylnaphthalene (DIPN) on silicone paper for food contact by gas chromatography-mass spectrometry
T/GAIA 007.1-2021 Determination of the Foreign Impurity in Oils PartⅠ: Determination of the Involatile Foreign Impurity by LC-MS/MS
T/CIRA 24-2021 Helium mass spectrometry leak detection code for dummy sealed source
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 0150-2022 Determination of four quinolone residues in food of animal origin by liquid chromatography-mass spectrometry/mass spectrometry
T/GZHG 031-2022 Determination of Polycyclic Aromatic Hydrocarbons in Recycled Livestock and Poultry Manure by Gas Chromatography-Mass Spectrometry
T/FDSA 007-2020 Determination of multiple veterinary drug residues in animal-derived foods Liquid chromatography - mass spectrometry
T/FDSA 007-2019 Determination of multiple veterinary drug residues in animal-derived foods Liquid chromatography - mass spectrometry
T/LNWTA 006-2021 Dtermination of 4 herbicide in drinking and source water LC-MS-MS method
T/SSIA 0018-2023 Data Semantic Requirements for Manufacturing Quality Traceability Knowledge Graphs
T/XMSSAL 0068-2023 Screening method of 540 pesticides in plant-derived foods for Xiamen—Liquid chromatography-high resolution mass spectrometry
T/XMSSAL 0070-2023 Screening method of 120 veterinary drugs in animal-derived foods for Xiamen—Liquid chromatography-high resolution mass spectrometry
T/HBFIA 0023-2021 Determination of various veterinary drug residues in food and feed of animal origin by liquid chromatography-tandem mass spectrometry
T/ACEF 086-2023 Stationary source emission—Determination of 22 oxygenated volatile organic compounds—Gas chromatography mass spectrometry
T/CTMA 007-2020 Determination of Imidaclothiz Residue in Tea Liquid Chromatography-Tandem Mass Spectrometry
T/NAIA 0147-2022 Determination of 6 Anthocyanins in Wine by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
T/NAIA 048-2021 Determination of vitamin B12 in functional beverages by liquid chromatography-mass spectrometry/mass spectrometry
T/SDNY 010-2020 Determination of 8 Pesticide Residues in Dongzao by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
T/NAIA 101-2021 Determination of ethifenapyr residues in wolfberry by liquid chromatography-mass spectrometry/mass spectrometry
T/GZTPA 0003-2019 Determination of gibberellic acid residues in tea and green tea by liquid chromatography-mass spectrometry/mass spectrometry
T/HZBX 060-2023 Determination of flavin and oryzac acid in food poisoning by liquid chromatography-mass spectrometry/mass spectrometry?
T/NAIA 0220-2023 Determination of nine mycotoxins in silage by liquid chromatography-mass spectrometry/mass spectrometry
T/NAIA 0237-2023
T/GDAEM 1-2022 Water quality-Determination of 9 polychlorinated biphenyls(PCBs)-Gas chromatography mass spectrometry
T/NAIA 0110-2022 Determination of various non-edible colorants in wine by liquid chromatography-mass spectrometry/mass spectrometry
T/SATA 021-2021 Determination of multiclass drug residues in aquatic products by high performance liquid chromatography-mass spectrometry/mass spectrometry
T/CNTAC 68-2020 Textiles—Determination of benzotriazole compounds—Gas chromatography-mass spectrometry
T/SDAQI 065-2021 Determination of advantame in edible agricultural products and its products by Liquid chromatography-tandem mass spectrometric method
T/GXAS 494-2023 Water quality—Determination of 7 penicillins by high performance liquid chromatography—tandem mass spectrometry method
T/LNUWA 010-2023 Water quality-Determination of epichlorohydrin Purge– and trap/gas chromatography-mass spectrometer

Professional Standard - Customs, Mass Spectrometry Source of Naphthalene

HS/T 23-2009 Determination of naphthalene content.gas chromatography

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Mass Spectrometry Source of Naphthalene

GB/T 29670-2013 Determination of 9 polycyclic aromatic hydrocarbons including naphthalene,benzo[a]anthracene in cosmetics.Gas chromatography-mass spectrometry
GB/T 21316-2007 Determination of residues of sulfonamides in foodstuffs of animal origin－LC-MS/MS
GB/T 21981-2008 Determination of hormone multiresidues in foodstuffs of animal origin.LC-MS/MS method
GB/T 11902-1989 Water quality--Determinaton of selenium--Diaminonaphthalene fluorometric method
GB/T 16056-1995 Workplace air--Determination of naphthalene--Solvent desorption gas chromatographic method
GB/T 21313-2007 Analysis of β-agonists in foods of animal origin by high performance liquid chromatography tandem mass spectrometry
GB/T 21312-2007 Analysis of fourteen quinolones in food of animal origin by high performance liquid chromatography tandem mass spectrometry
GB/T 21315-2007 Determination of penicillins residues in foodstuffs of animal origin－LC-MS/MS method
GB/T 21314-2007 Determination of cephapirin and ceftiofur residues in foodstuffs of animal origin－LC-MS/MS method
GB/T 20366-2006 Method for the determination of quinolones in animal tissues. LC-MS/MS method
GB/T 21317-2007 Determination of tetracyclines residues in food of animal origin－LC-MS/MS method and HPLC method
GB/T 29644-2013 Rubber,vulcanized.Determination the content of N- phenyl-β-naphthylamine.High performance liquid chromatogramic method
GB/T 23218-2008 Determination of zeranol residues in animal original food.LC-MS-MS method
GB/T 21320-2007 Determination of avermectins resikues in foodstuffs of animal origin-LC-MS/MS
GB/T 8969-1988 Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method
GB 8969-1988 Air Quality Nitrogen Oxides Determination Naphthaleneethylenediamine Hydrochloride Colorimetric Method
GB/T 15502-1995 Air quality--Determination of aniline--N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method
GB/T 29675-2013 Determination of nonylphenol in cosmetics.Liquid chromatography tandem mass spectrometry
GB/T 22286-2008 Determination of β-agonists residues in foodstuff of animal origin. Liquid chromatography with tandem-mass spectrometric method
GB/T 18932.25-2005 Method for the determination of penicillin G, penicillin V, nafcillin,oxacillin,cloxacillin,dicloxacillin residues in honey-LC-MS-MS method
GB/T 26179-2010 The spectroradiometric measurement of light sources
GB/T 23405-2009 Determination of sodium cyclamate in bee products.LC-MS/MS method
GB 23200.120-2021 National Food Safety Standard for the Determination of Beetroot Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry
GB 23200.118-2021 National Food Safety Standard for Determination of Cyanamide Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry
GB/T 11889-1989 Water quality--Determination of aniline compounds--Spectrophotometric method with N-(1-naphthyl) ethylenediamine

Korean Agency for Technology and Standards (KATS), Mass Spectrometry Source of Naphthalene

KS M 1079-2008 Determination of PCNs and PCTs in polymer by GC/MS
KS I ISO 11564-2014(2019) Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
KS I ISO 11564:2004 Stationary source emissions-Determination of the mass concentrationof nitrogen oxides(Naphthylethylenediamine photometric method)
KS I ISO 11564:2014 Stationary source emissions — Determination of the mass concentration of nitrogen oxides(naphthylethylenediamine photometric method)
KS I ISO 15680:2010 Water quality－Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
KS I ISO 15680:2022 Water quality — Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
KS I ISO 15009-2009(2014) Soil quality－Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons－Purge-and-trap method with thermal desorption
KS I ISO 15009:2009 Soil quality－Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons－Purge-and-trap method with thermal desorption
KS I ISO 11632:2004 Stationary source emissions-Determination of the massconcentration of sulfur dioxide(Ion chromatography method)
KS I ISO 11632:2014 Stationary source emissions — Determination of the mass concentration of sulfur dioxide(ion chromatography method)
KS I ISO 11632-2014(2019) Stationary source emissions — Determination of the mass concentration of sulfur dioxide(ion chromatography method)
KS I ISO 15680-2010(2015) Water quality－Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
KS I ISO 17858-2009(2014) Water quality－Determination of dioxin-like polychlorinated biphenyls－Method using gas chromatography/mass spectrometry
KS I ISO 17858:2022 Water quality — Determination of dioxin-like polychlorinated biphenyls — Method using gas chromatography/mass spectrometry
KS I ISO 18856:2022 Water quality — Determination of selected phthalates using gas chromatography/mass spectrometry
KS I ISO 18856-2010(2015) Water quality－Determination of selected phthalates using gas chromatography/mass spectrometry

Professional Standard - Hygiene , Mass Spectrometry Source of Naphthalene

WS/T 172-1999 Workplace air.Determination of decaline and tetraline.Gas chromatographic method
WS/T 145-1999 Workplace air.Determination of β-naphthol.High-performance liquid chromatography method

PL-PKN, Mass Spectrometry Source of Naphthalene

PN Z04043-10-1991 Air purity protection -- Tests for naphthalene, methylnaphthalenes and chloro derivatives of naphthalene -- General requirements
PN Z04147-02-1985 Air purity protection Tests for 1- and 2-naphtyloamine Determination of 1- and 2-naphtyloamine in work places by gas chromatography

Professional Standard - Agriculture, Mass Spectrometry Source of Naphthalene

SN/T 5520-2023
SL 740-2016 Water Quality Determination of Carbaryl, Deltamethrin and Microcystin-LR by High Performance Liquid Chromatography
SN/T 5512-2023
SN/T 5072-2018 Liquid Chromatography-Mass Spectrometry/Mass Spectrometry for the Determination of Sulfentrazone Residues in Foods of Plant Origin for Export
SN/T 2909-2011 Determination of Hydroxyclosanidine Residues in Foods of Animal Origin for Export by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 1988-2023
SN/T 5518-2023
SN/T 5649-2023
SN/T 5638-2023
SN/T 5074-2018 Determination of Dimethyl Yellow in Export Food by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 5521-2023
43兽药残留检测标准操作规程-2008 Determination method of 8 kinds of glucocorticoid drug residues in food of animal origin--Ultra performance liquid chromatography tandem mass spectrometry
42兽药残留检测标准操作规程-2008 Detection of 11 Hormone Residues in Foods of Animal Origin--Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
NY/T 1379-2007 Multi residue Determination of 334 Pesticides in Vegetable by GC/MS and LC/MS
SN/T 5095-2018 Determination of fipronil and its metabolite residues in eggs and egg products for export by gas chromatography-mass spectrometry and gas chromatography-mass spectrometry/mass spectrometry
GB 23200.110-2018 National Food Safety Standard for Determination of Forchlorfenuron Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry
GB 23200.108-2018 National Food Safety Standard for the Determination of Glufosinate Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry
GB 23200.114-2018 National Food Safety Standard Determination of Blasticidin Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry
SN/T 5515-2023
空气和废气监测分析方法 7.5.1-2003 Chapter 7 Chemical Mass Balance (CMB) Receptor Model and Its Application in Source Apportionment of Ambient Air Particulate Matter
GB 23200.111-2018 National Food Safety Standard for the Determination of Flumesulam Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry
GB 23200.109-2018 National Food Safety Standard for the Determination of Clopyralid Residues in Plant-derived Foods by Liquid Chromatography-Mass Spectrometry

AENOR, Mass Spectrometry Source of Naphthalene

UNE 77228:2002 Stationary source emissions. Determination of the mass concentration of nitrogen oxides. Naphthylethylenediamine photometric method.
UNE 77226:1999 STATIONARY SOURCE EMISSIONS. DETERMINATION OF MASS CONCENTRATION OF SULFUR DIOXIDE. ION CHROMATOGRAPHY METHOD.
UNE-EN ISO 15680:2004 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption (ISO 15680:2003)

Danish Standards Foundation, Mass Spectrometry Source of Naphthalene

DS/ISO 11564+Cor.1:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method
DS/EN ISO 15009:2013 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
DS/EN ISO 15680:2004 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
DS/ISO 11632:1998 Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography method
DS/ISO/TS 28581:2012 Water quality - Determination of selected non-polar substances - Method using gas chromatography with mass spectrometric detection (GC-MS)
DS/EN ISO 14183:2009 Animal feeding stuffs - Determination of monensin, narasin and salinomycin contents - Liquid chromatographic method using post-column derivatization
DS/ISO 17858:2007 Water quality - Determination of dioxin-like polychlorinated biphenyls - Method using gas chromatography/mass spectrometry

海关总署, Mass Spectrometry Source of Naphthalene

SN/T 5169-2019 Determination of Methenolone in Foods of Exported Animal Origin by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 5168-2019 Determination of oxymetholone in foods of animal origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 1979-2019 Determination of praziquantel residues in foods of animal origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5171-2019 Determination of higenamine in plant-derived foods for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5449-2022 Determination of mite residues in exported plant-derived foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5437-2022 Determination of Diphenhydramine Residues in Foods of Exported Animal Origin Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 5359-2021 Determination of Azithromycin Residues in Foods of Exported Animal Origin Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 5149-2019 Determination of cabergoline residues in foods of animal origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5446-2022 Determination of copper quinoline residues in exported plant-derived foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5444-2022 Determination of prochloraz and its metabolites in exported plant-source foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5450-2022 Determination of 9 bis-condensed pyrrolidine alkaloids in foods of animal origin by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5148-2019 Determination of clonidine and cyproheptadine residues in foods of exported animal origin by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 2073-2022 Determination of 7 Nicotine Pesticide Residues in Exported Plant-source Foods by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 5448-2022 Determination of trichloromethylpyridine and its metabolites in exported plant-derived foods by gas chromatography-mass spectrometry/mass spectrometry
SN/T 5442-2022 Determination of prothioconazole and its metabolites residues in foods of plant origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 0337-2019 Determination of carbofuran and its metabolites residues in exported plant-derived foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5445-2022 Determination of terbuphos and its oxygen analogs (sulfoxide, sulfone) in foods of plant origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5365-2022 Determination of flutrisulfuron and flubisulfuron residues in exported plant-derived foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5167-2019 Determination of residual amounts of 10 diuretics including hydrochlorothiazide in exported animal source foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5360-2021 Determination of vancomycin and norvancomycin residues in foods of exported animal origin by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5324.3-2020 Determination of chlorpheniramine, cimetidine, promethazine, diphenhydramine, ranitidine, atenolol, propranolol and salbutamol in export packaged drinking water and drinking natural mineral water by liquid chromatography-mass spectrometry /mass spectromet
SN/T 5142-2019 Determination of colistin residues in imported and exported animal-derived foods by liquid chromatography-tandem mass spectrometry
SN/T 5443-2022 Determination of fluopopopop, fluopopopop ester (flufenopopopop-containing) and conjugate residues in exported plant-source foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5147-2019 Determination of myo-inositol in dairy products for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5276-2020 Determination of multiple allergens in exported foods using liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5438-2022 Determination of nucleotide content in exported milk powder by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5358-2021 Determination of chlorothiol residues in exported tea by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 0500-2022 Determination of polycarbide residues in fruits for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5146-2019 Determination of L-carnitine in exported foods by high-performance liquid chromatography and liquid chromatography-mass spectrometry/mass spectrometry
SN/T 0654-2019 Determination of Captan Residues in Exported Fruits by Gas Chromatography and Gas Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 5143-2019 Determination of semicarbazide in exported wheat flour and its products by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 2012-2019 Detection method of benzoic acid and sorbic acid in exported vinegar by liquid chromatography and liquid chromatography-mass spectrometry
SN/T 5144-2019 Determination of safotrifen residues in food for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5357-2021 Determination of various illegal additives in exported health foods using liquid chromatography-mass spectrometry/mass spectrometry
SN/T 5349-2021 Determination of siloxane compounds in silica heat-resistant materials by gas chromatography-mass spectrometry/mass spectrometry

VN-TCVN, Mass Spectrometry Source of Naphthalene

TCVN 7172-2002 Stationary source emissions.Determination of the mass concentration of nitrogen oxides.Naphthylethylenediamine photometric method
TCVN 6750-2000 Stationary source emissions.Determination of mass concentration of sulfur dioxide.Ion chromatography method

水利部, Mass Spectrometry Source of Naphthalene

SL/T 740-2016 Determination of carbaryl, cypermethrin and microcystin-LR in water quality by high performance liquid chromatography

Association Francaise de Normalisation, Mass Spectrometry Source of Naphthalene

NF X43-339*NF ISO 11564:2000 Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method.
NF ISO 11564:2000 Émissions de sources fixes - Détermination de la concentration en masse des oxydes d'azote - Méthode photométrique à la naphtyléthylène diamine (NEDA)
NF V03-169*NF EN 16619:2015 Food analysis - Determination of benzo(a)pyrene, benz(a)anthracene, chrysene and benzo(b)fluoranthene in foodstuffs by gas chromatography mass spectrometry (GC-MS)
NF X31-426:2013 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
NF X31-426*NF EN ISO 15009:2016 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
NF T90-129*NF EN ISO 15680:2004 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption.
NF M60-457*NF ISO 15647:2006 Nuclear energy - Isotopic analysis of uranium hexafluoride - Double-standard gas-source mass spectrometric method.
NF X43-338*NF ISO 11632:1998 Stationary source emissions. Determination of the mass concentration of sulfur dioxide. Ion chromatography method.
NF EN ISO 15680:2004 Qualité de l'eau - Dosage par chromatographie en phase gazeuse d'un certain nombre d'hydrocarbures aromatiques monocycliques, du naphtalène et de divers composés chlorés par dégazage, piégeage et désorption thermique
NF EN ISO 15009:2016 Qualité du sol - Détermination par chromatographie en phase gazeuse des teneurs en hydrocarbures aromatiques volatils, en naphtalène et en hydrocarbures halogénés volatils - Méthode par purge et piégeage avec désorption thermique
NF ISO 15647:2006 Énergie nucléaire - Analyse isotopique de l'hexafluorure d'uranium - Méthode du double étalon pour la spectrométrie de masse avec source de gaz
XP T90-145*XP ISO/TS 28581:2012 Water quality - Determination of selected non-polar substances - Method using gas chromatography with mass spectrometric detection (GC-MS)
XP ISO/TS 28581:2012 Qualité de l'eau - Détermination de substances non polaires selectionnées - Méthode par chromatographie en phase gazeuse avec détection par spectrométrie de masse (CG-SM)
NF V03-090-3*NF EN 12393-3:2013 Foods of plant origin - Multiresidue methods for the determination of pesticide residues by GC or LC-MS/MS - Part 3: determination and confirmatory tests
NF EN ISO 22892:2011 Qualité du sol - Lignes directrices pour l'identification de composés cibles par chromatographie en phase gazeuse et spectrométrie de masse

国家质量监督检验检疫总局, Mass Spectrometry Source of Naphthalene

SN/T 4583-2016 Determination of Amprolium Residues in Exported Animal Source Foods by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4519-2016 Determination of Ribavirin Residues in Foods of Exported Animal Origin Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4520-2016 Determination of nifursol metabolite residues in foods of animal origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 0602-2016 Determination of bentriazole residues in foods of plant origin for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4584-2016 Determination of Warnimulin and Tiamulin Residues in Foods of Exported Animal Origin Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4015-2013 Method for determination of columnar leukomycin residues in exported animal-derived foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 1865-2016 Determination of thumphenicol and florfenicol residues in animal-derived food for import and export.LC-MS/MS method
SN/T 4675.16-2016 Determination of fumaric acid in exported wines by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4961-2017 Determination of Oligosaccharides in Exported Honey by High Performance Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 0217.2-2017 Determination of various pyrethroid residues in exported plant-derived foods using gas chromatography-tandem mass spectrometry
SN/T 4675.14-2016 Determination of natamycin in exported wines by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4524-2016 Determination of six ergot alkaloids in grains for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4675.17-2016 Determination of butyltin content in exported wines by gas chromatography-mass spectrometry/mass spectrometry
SN/T 4654-2016 Determination of Closulon Residues in Exported Honey by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 0683-2014 Determination of tricyclazole residues in grains for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4890-2017 Determination of Curcumin in Exported Foods by High-Performance Liquid Chromatography and Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4675.10-2016 Determination of Ochratoxin A in Exported Wines by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4523-2016 Determination of various illegal pigments in exported wines by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4777-2017 Method for detection of anthraquinone residues in exported tea: gas chromatography-mass spectrometry/mass spectrometry
SN/T 4886-2017 Determination of various pesticide residues in dried fruits for export by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 3381-2012 Determination of fumagillin residues in exported foods by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4522-2016 Determination of ethephon residues in exported tomato products by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4744-2017 Determination of sex hormone residues in imported and exported edible animals by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 1114-2014 Determination method for diconazole residues in fruits for export: liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4672-2016 Determination of Nicotine Pesticide Residues in Imported and Exported Cotton by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 4811-2017 Determination of emamectin residues in imported and exported food animals by liquid chromatography-mass spectrometry/mass spectrometry
SN/T 4891-2017 Determination of spirotetramat residues in exported foods by high-performance liquid chromatography and liquid chromatography-mass spectrometry/mass spectrometry

工业和信息化部, Mass Spectrometry Source of Naphthalene

YB/T 4929-2021 Determination of naphthalene content in coke oven gas by gas chromatography

Chongqing Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB50/T 679-2016 Determination of VOCS in exhaust gas from stationary pollution sources by gas chromatography-mass spectrometry
DB50/T 1367-2023 Water Quality Determination of Sulfonamide Antibiotics by Liquid Chromatography-Tandem Mass Spectrometry
DB50/T 1366-2023 Water Quality Determination of Quinolone Antibiotics by Liquid Chromatography-Tandem Mass Spectrometry
DB50/T 1363-2023 Water Quality Determination of Tetracycline Antibiotics by Liquid Chromatography-Tandem Mass Spectrometry
DB50/T 1364-2023 Water Quality Determination of Chloramphenicol Antibiotics by Liquid Chromatography-Tandem Mass Spectrometry

National Health Commission of the People's Republic of China, Mass Spectrometry Source of Naphthalene

GB 23200.38-2016 National food safety standards— Determination of cyclohexanedione herbicides residue in plant-derived foods Liquid chromatography - mass spectrometry
GB 23200.94-2016 National food safety standards— Determination of trichlorfon, dichlorvos and coumaphos residues in animal-derived foods Liquid chromatography - mass spectrometry
GB 23200.92-2016 National food safety standards— Determination of pentachlorophenol residue in animal-derived foods Liquid chromatography - mass spectrometry
GB 23200.35-2016 National food safety standards— Determination of substituted ureas pesticides residue in plant-derived foods Liquid chromatography - mass spectrometry
GB 23200.36-2016 National food safety standards— Determination of fluroxypyr, dithiopyr, diflufenzopyr and thiazopyr residues in plant-derived foods Liquid chromatography - mass spectrometry
GB 23200.21-2016 National food safety standards— Determination of gibberellic acid residue in fruit Liquid chromatography - mass spectrometry
GB 23200.64-2016 National food safety standards— Determination of pyriproxyfen residue in foods Liquid chromatography - mass spectrometry
GB 23200.51-2016 National food safety standards— Determination of dinotefuran residue in foods Liquid chromatography - mass spectrometry
GB 23200.63-2016 National food safety standards— Determination of tiadinil residue in foods Liquid chromatography - mass spectrometry
GB 23200.20-2016 National food safety standards— Determination of abamectin residue in foods Liquid chromatography - mass spectrometry
GB 23200.74-2016 National food safety standards— Determination of validamycin residue in foods Liquid chromatography - mass spectrometry
GB 23200.50-2016 National food safety standards— Determination of pyridine pesticides residue in foods Liquid chromatography — mass spectrometry
GB 23200.76-2016 National food safety standards— Determination of flubendiamide residue in foods Liquid chromatography - mass spectrometry
GB 23200.70-2016 National food safety standards— Determination of acifluorfen residue in foods Liquid chromatography - mass spectrometry
GB 23200.58-2016 National food safety standards— Determination of cloransulam-methyl residue in foods Liquid chromatography - mass spectrometry
GB 23200.108 National food safety standard—Determination of glufosinate-ammonium residue in foods of plant origin Liquid chromatography tandem mass spectrometry
GB 23200.105-2016 National food safety standards— Determination of carbaryl residue in meat and meat products HPLC-fluoresce detector with post column derivation
GB 23200.73-2016 National food safety standards— Determination of rotenone and azadirachtin residues in foods Liquid chromatography - mass spectrometry
GB 23200.69-2016 National food safety standards－ Determination of dinitroaniline pesticides residue in foods Liquid chromatography - mass spectrometry

中华人民共和国环境保护部, Mass Spectrometry Source of Naphthalene

GB 11902-1989 Water quality-Determination of selenium-Diaminonaphthalene fluorometrlc method
GB 11889-1989 Water quality-Determination of auiline compounds-Spectrophotometric method with N-(1-naphthyl)echylenediamine

Jilin Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB22/T 2836-2017 Determination of seven kinds of odorous substances in drinking water and source water by gas chromatography-mass spectrometry
DB22/T 2838-2017 Test method for 10 kinds of antibiotics in drinking water and source water by ultra-high performance liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 2964-2019 Determination of Nonylphenol in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 2268-2015 Determination of amantadine in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1987-2013 Determination of diethylstilbestrol in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1697-2012 Determination of Nifurene Hydrazone in Feeds by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1696-2012 Determination of Arformoterol in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 2564-2016 Determination of seven kinds of organic pollutants in drinking water and source water by liquid chromatography-mass spectrometry
DB22/T 2965-2019 Determination of Psychotropic Drugs in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1618-2012 Determination of Zearalenone in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1613-2012 Determination of melamine in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 2695-2017 Determination of lincomycin and erythromycin in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1847-2013 Determination of phoxim pesticide residues in ginseng by liquid chromatography-mass spectrometry
DB22/T 2598-2016 Determination of indole acetic acid and indole butyric acid in ginseng by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1976-2013 Determination of Eleven Pesticide Residues in Ginseng by High Performance Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1619-2012 Determination of Clenbuterol Hydrochloride Residues in Cattle Urine by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1680-2012 Determination of kresoxim-methyl residues in ginseng and its products by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1990-2013 Determination of Juhong 2 in citrus fruits and their beverages by liquid chromatography-mass spectrometry/mass spectrometry
DB2204/T 6-2022 Determination of Eight Kinds of Quinolones Residues in Egg Powder by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

Shandong Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB37/T 4150-2020 Determination of Water Quality β-Naphthol by Fluorescence Spectrophotometry
DB37/T 3234-2018 Determination of tivalamectin residues in foods of animal origin by liquid chromatography-tandem mass spectrometry
DB37/T 3031-2017 Determination of Cantharidin in Cosmetics by Liquid Chromatography-Mass Spectrometry-Mass Spectrometry
DB37/T 3043-2017 Determination of Morpholine Hydrochloride in Feedstuffs by Liquid Chromatography-Mass Spectrometry
DB37/T 3760-2019 Determination of Abscisic Acid, Naphthaleneacetic Acid, Forchlorfenuron and Uniconazole in Fertilizers by High Performance Liquid Chromatography
DB37/T 4160-2020 Water quality—Determination of thioether—Headspace-gas chromatography-Mass spectrometry
DB37/T 3979-2020 Determination of 211 pesticides and related chemicals residues in food of animal origin by gas chromatography-mass spectrometry
DB37/T 4433-2021 Determination of volatile organic compounds in waste gas from stationary pollution sources Air bag vacuum bottle sampling-gas chromatography mass spectrometry
DB37/T 4162-2020 Determination of Odor and Taste Substances in Water Quality by Solid Phase Extraction-Gas Chromatography-Mass Spectrometry
DB37/T 4159-2020 Water Quality Determination of Picric Acid by Liquid Chromatography-Tandem Mass Spectrometry
DB37/T 3991-2020 Determination of cyantraniliprole residues in food by liquid chromatography-mass spectrometry/mass spectrometry
DB37/T 3990-2020 Determination of Tetrachlorantraniliprole Residues in Food by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB37/T 4145-2020 Water Quality Determination of Acrylamide by Liquid Chromatography-Tandem Mass Spectrometry
DB37/T 3534-2019 Determination of Eleven Herbicides and Metabolite Residues in Water by Liquid Chromatography-Mass Spectrometry
DB37/T 3818-2019 Determination of Quinocetone Drugs and Metabolites 1-DQCT, BDQCT, MQCA Residues in Foods of Animal Origin by Liquid Chromatography-Tandem Mass Spectrometry
DB37/T 4146-2020 Determination of Benzidine in Water by Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry

Agricultural Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

农业部781号公告-1-2006 The determination of chooramphenicol in animal tissues by GC-MS method
农业部781号公告-10-2006 Determination of chloramphenicol residues in honey-GC/MS/NCI Method
农业部781号公告-2-2006 Determination of chloramphenicol residues in animal derived food by high performance liquid chromatography-tandem mass spectrometry
农业部958号公告-3-2007 The determination of ractopamine in edible animal tissues by HPLC-MS method
农业部1031号公告-2-2008 Determination of glucocorticoids residues in animal products C-MS/MS method
农业部1025号公告-23-2008 Determination of sulfonamides residues in edible tissues of animal Liquid chromatography-tandem mass spectrometry
农业部1031号公告-1-2008 Determination of sex hormones in animal products LC-/MS/MS method
农业部1025号公告-22-2008 Determination of four nitroimidazoles residues in edible tissues of animal Liquid chromatography-tandem mass spectrometry
农业部1025号公告-18-2008 Determination of β-agonist residues in swine liver and urine Gas chromatography-mass spectrometry method
农业部781号公告-4-2006 Determination of nitrofuran metabolites in animal derived food by high performance liquid chromatography-tandem mass spectrometry
农业部1025号公告-19-2008 Determination of zeranols residues in animal derived food HPLC-MS/MS Method
农业部1068号公告-1-2008 Determination of strychnine in swine urine.Gas chromatography-mass spectrometry method
农业部1068号公告-7-2008 Determination of strychnine in feeds.Gas chromatography-mass spectrometry method

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, Mass Spectrometry Source of Naphthalene

GB/T 35829-2018 Determination of four naphthalenediols in cosmetics—High performance liquid chromatography

Guangxi Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB45/T 1488-2017 Determination of veterinary drug residues in foods of animal origin by liquid chromatography-tandem mass spectrometry
DB45/T 943-2013 Water Quality Organotin Determination Gas Chromatography-Mass Spectrometry
DB45/T 1013-2014 Determination of Phenylethanolamine A in Urine by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

农业农村部, Mass Spectrometry Source of Naphthalene

NY/T 3565-2020 Method for detection of organotin residues in plant-derived foods Gas chromatography-mass spectrometry
NY/T 3300-2018 Determination of triglycerides in plant-derived oils and fats by liquid chromatography-tandem mass spectrometry
NY/T 3949-2021 Determination of phenolic acid compounds in plant-derived foods by high-performance liquid chromatography-tandem mass spectrometry
NY/T 3948-2021 Determination of lutein, zeaxanthin and β-cryptoxanthin in plant-derived agricultural products by high-performance liquid chromatography
NY/T 3945-2021 Determination of free sterols, bound sterols and total sterols in plant-derived foods by gas chromatography-tandem mass spectrometry

Shanghai Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB31/T 1178-2019 Determination of Microcystins in Source Water by Liquid Chromatography-Tandem Mass Spectrometry

AT-ON, Mass Spectrometry Source of Naphthalene

ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method

European Committee for Standardization (CEN), Mass Spectrometry Source of Naphthalene

EN ISO 15009:2013 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
EN ISO 15680:2003 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption ISO 15680:2003
CEN/TS 17337:2019 Stationary source emissions - Determination of mass concentration of multiple gaseous species - Fourier transform infrared spectroscopy
EN ISO 15009:2016 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons@ naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption
EN ISO 22892:2011 Soil quality - Guidelines for the identification of target compounds by gas chromatography and mass spectrometry (ISO 22892:2006)

Anhui Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB34/T 3100-2018 Determination of Polybrominated Diphenyl Ethers in Drinking Water Source Water by Gas Chromatography-Tandem Mass Spectrometry
DB34/T 3300-2018 Determination of Eleven Algal Toxins in Drinking Water Source Water by High Performance Liquid Chromatography Tandem Mass Spectrometry
DB34/T 2822-2017 Determination of 22 triazole fungicide residues in plant-derived products by liquid chromatography-tandem mass spectrometry
DB34/T 4314-2022 Determination of fipronil and its metabolite residues in plant-derived agricultural products by liquid chromatography-mass spectrometry
DB34/T 1769-2021 Determination of Migration of Diaminotoluene Substances in Composite Food Packaging Materials by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

Shaanxi Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB61/T 563-2013 Water Quality Determination of Acrylamide by High Performance Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

Jinlin Provincial Food Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DBS22/ 013-2013 Local Food Safety Standards Determination of α-zearalenol and erythralenone in plant-derived foods by liquid chromatography-mass spectrometry/mass spectrometry
DBS22/ 005-2013 Local Food Safety Standards Determination of α-zearalenol and erythralenone in plant-derived foods by liquid chromatography-mass spectrometry-mass spectrometry
DBS22/ 012-2013 Determination of 24 receptor agonist residues in food of animal origin by liquid chromatography-tandem mass spectrometry

KR-KS, Mass Spectrometry Source of Naphthalene

KS I ISO 15680-2022 Water quality — Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
KS I ISO 17858-2022 Water quality — Determination of dioxin-like polychlorinated biphenyls — Method using gas chromatography/mass spectrometry
KS I ISO 18856-2022 Water quality — Determination of selected phthalates using gas chromatography/mass spectrometry

中华全国供销合作总社, Mass Spectrometry Source of Naphthalene

GH/T 1394-2022 Determination of Oligosaccharides in Honey Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
GH/T 1108-2015 Determination of Ochratoxin A in Bee Pollen by High Performance Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

Hebei Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB13/T 5254-2020 Determination of coal tar benzene, toluene, phenol, naphthalene, fluorene, phenanthrene, anthracene, pyrene by gas chromatography

Heilongjiang Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB23/T 1435-2011 Determination of norethistereth in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB23/T 1436-2011 Determination of terbutaline in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB23/T 1940-2017 Determination of 8 kinds of pesticides such as Zhongbucarb and other water quality by gas chromatography-mass spectrometry

ES-UNE, Mass Spectrometry Source of Naphthalene

UNE-EN ISO 15009:2016 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption (ISO 15009:2016) (Endorsed by AENOR in May of 2016.)
UNE-CEN/TS 17307:2020 EX Material derived from End-of-Life tyres - Granulates and powders - Elastomers identification: Gas-chromatography and mass-spectrometric detection of pyrolysis products in solution

未注明发布机构, Mass Spectrometry Source of Naphthalene

BS ISO 11632:1998(1999) Stationary source emissions — Determination of mass concentration of sulfur dioxide — Ion chromatography method
BS ISO 15009:2002 Soil quality — Gas chromatographic determination ofthe content ofvolatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons — Purge - and - trap method with thermal desorption

RU-GOST R, Mass Spectrometry Source of Naphthalene

GOST 17749-1972 Iet fuel. Spectrophotometric method for the determination of dicycles aromatic (naphthalene hydrocarbons) content
GOST 33486-2015 Food products, mixed feeds, biological objects of animal origin. Method for determination of B-agonists by high performance liquid chromatography-mass spectrometry

CEN - European Committee for Standardization, Mass Spectrometry Source of Naphthalene

PD CEN/TS 17337:2019 Stationary source emissions - Determination of mass concentration of multiple gaseous species - Fourier transform infrared spectroscopy

Lithuanian Standards Office , Mass Spectrometry Source of Naphthalene

LST EN ISO 15009:2013 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption (ISO 15009:2012)
LST EN ISO 15680:2004 Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption (ISO 15680:2003)
LST ISO 15009:2007 Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption (ISO 15009:2002, identical)

International Commission on Illumination (CIE), Mass Spectrometry Source of Naphthalene

CIE 63-1984 The Spectroradiometric Measurement of Light Sources (E)

PT-IPQ, Mass Spectrometry Source of Naphthalene

NP 4134-1991 Animal feeding stuffs Determination of menadione (vitamin K3) content. spectrometric method

Zhejiang Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB33/T 746-2009 Determination of 20 sulfa drugs residues in foods of animal origin by liquid chromatography-tandem mass spectrometry

Qinghai Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB63/T 1870-2020 Water Quality Determination of Aldicarb by Liquid Chromatography Tandem Mass Spectrometry

Liaoning Provincial Standard of the People's Republic of China, Mass Spectrometry Source of Naphthalene

DB21/T 3110-2019 Determination of Acrylamide in Water by High Performance Liquid Chromatography-Mass Spectrometry

American Society for Testing and Materials (ASTM), Mass Spectrometry Source of Naphthalene

ASTM D5739-00 Standard Practice for Oil Spill Source Identification by Gas Chromatography and Positive Ion Electron Impact Low Resolution Mass Spectrometry
ASTM D5739-06(2020) Standard Practice for Oil Spill Source Identification by Gas Chromatography and Positive Ion Electron Impact Low Resolution Mass Spectrometry
ASTM D5739-06 Standard Practice for Oil Spill Source Identification by Gas Chromatography and Positive Ion Electron Impact Low Resolution Mass Spectrometry
ASTM C1344-97(2003) Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method
ASTM C1344-97 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method
ASTM C1344-97(2008)e1 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method
ASTM D5739-06(2013) Standard Practice for Oil Spill Source Identification by Gas Chromatography and Positive Ion Electron Impact Low Resolution Mass Spectrometry
ASTM E1504-92(1996) Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM E1504-92(2001) Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)

Professional Standard - Public Safety Standards, Mass Spectrometry Source of Naphthalene

GA/T 1074-2013 GC-MS and LC-MS/MS examination methods for γ-hydroxybutyric acid in biological samples