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Determination of content by lc-ms

Determination of content by lc-ms, Total:136 items.

In the international standard classification, Determination of content by lc-ms involves: Milk and milk products, General methods of tests and analysis for food products, Cereals, pulses and derived products, Fruits. Vegetables, Edible oils and fats. Oilseeds, Microbiology, Textile fibres, Leather technology, Inorganic chemicals, Soil quality. Pedology, Animal feeding stuffs, Tobacco, tobacco products and related equipment, Non-textile floor coverings, Water quality, Prepackaged and prepared foods, Lubricants, industrial oils and related products, Construction materials, Tea. Coffee. Cocoa, Paper and board.

British Standards Institution (BSI), Determination of content by lc-ms

DD ISO/TS 27106:2009 Cheese. Determination of nisin A content by LC-MS and LC-MS-MS
BS DD ISO/TS 27106:2010 Cheese - Determination of nisin A content by LC-MS and LC-MS-MS
BS EN 15055:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS/MS method
BS EN 16924:2017 Foodstuffs. Determination of zearalenone in edible vegetable oils by LC-FLD or LC-MS/MS
BS EN ISO 18465:2017 Microbiology of the food chain. Quantitative determination of emetic toxin (cereulide) using LC-MS/MS
BS EN 15054:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS method
BS ISO 22992-2:2020 Textiles. Determination of certain preservatives - Determination of triclosan residues method using LC-MS/MS
BS ISO 5120:2023 Soil quality. Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
BS EN 17212:2019 Animal Feeding stuffs. Methods of sampling and analysis. Determination of melamine and cyanuric acid content by liquid chromatographic method with mass spectrometric detection (LC-MS/MS)
PD CEN/TS 17743:2022 Foodstuff. Determination of pesticide residues by ethyl acetate extraction using GC- and LC-MS/MS (SweEt)
20/30383989 DC BS ISO 22992-2. Textiles. Determination of certain preservatives. Part 2. Determination of triclosan residues method using LC-MS/MS
DD ISO/TS 15495:2010 Milk, milk products and infant formulae. Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
BS DD ISO/TS 15495:2011 Milk, milk products and infant formulae. Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
BS EN 16143:2013 Petroleum products. Determination of content of Benzo(a)pyrene (BaP) and selected polycyclic aromatic hydrocarbons (PAH) in extender oils. Procedure using double LC cleaning and GC/MS analysis
22/30405912 DC BS EN 17845. Construction products: Assessment of release of dangerous substances. Determination of biocide residues using LC-MS/MS
BS EN ISO 11916-3:2021 Soil quality. Determination of selected explosives and related compounds. Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
BS EN 16618:2015 Food analysis. Determination of acrylamide in food by liquid chromatography tandem mass spectrometry (LC-ESI-MS/MS)
BS EN 15637:2008 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth
BS ISO 21766:2021 Tobacco and tobacco products. Determination of tobacco-specific nitrosamines in tobacco products. Method using LC-MS/MS
22/30455832 DC BS EN 17892. Water quality. Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water. Method using liquid chromatography/mass spectrometry (LC/MS)
BS EN 16923:2017 Foodstuffs. Determination of T-2 toxin and HT-2 toxin in cereals and cereal products for infants and young children by LC-MS/MS after SPE cleanup
BS EN 16858:2017 Foodstuffs. Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)
BS ISO 21766:2018 Tobacco and tobacco products. Determination of tobacco-specific nitrosamines in tobacco products. Method using LC-MS/MS
20/30370880 DC BS ISO 22104. Water quality. Determination of microcystins. Method using liquid chromatography and tandem mass spectrometry (LC-MS/MS)
22/30396924 DC BS EN 17853. Animal feeding stuffs: Methods of sampling and analysis. Determination of intact glucosinolates in rapeseed by LC-MS/MS
20/30399520 DC BS EN ISO 11916-3. Soil quality. Determination of selected explosives and related compounds. Part 3. Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS)

International Organization for Standardization (ISO), Determination of content by lc-ms

ISO/TS 27106:2009 | IDF/RM 217:2009 Cheese — Determination of nisin A content by LC-MS and LC-MS-MS
ISO/TS 27106:2009 Cheese - Determination of nisin A content by LC-MS and LC-MS-MS
ISO/TS 27106:2009|IDF/RM 217:2009 Determination of nisin A content in cheese using LC-MS and LC-MS-MS
ISO 18465:2017 Microbiology of the food chain - Quantitative determination of emetic toxin (cereulide) using LC-MS/MS
ISO 22992-2:2020 Textiles — Determination of certain preservatives — Part 2: Determination of triclosan residues method using LC-MS/MS
ISO 23702-1:2018 Leather — Organic fluorine — Part 1: Determination of the non-volatile compound content by extraction method using liquid chromatography/tandem mass spectrometry detector (LC-MS/MS)
ISO 21468:2020 Infant formula and adult nutritionals — Determination of free and total choline and free and total carnitine — Liquid chromatography tandem mass spectrometry (HPLC-MS/MS)
ISO/FDIS 5120 Soil quality — Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
ISO 23702-1:2018 | IULTCS/IUC 39-1 Leather — Organic fluorine — Part 1: Determination of the non-volatile compound content by extraction method using liquid chromatography/tandem mass spectrometry detector (LC-MS/MS)
ISO 5120:2023 Soil quality — Determination of perchlorate in soil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
ISO/TS 15495:2010 | IDF/RM 230:2010 Milk, milk products and infant formulae — Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
ISO 21470:2020 Infant formula and adult nutritionals — Simultaneous determination of total vitamins B1, B2, B3 and B6 — Enzymatic digestion and LC-MS/MS
ISO/TS 15495:2010 Milk, milk products and infant formulae - Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
ISO 11916-3:2021 Soil quality - Determination of selected explosives and related compounds - Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS)

PL-PKN, Determination of content by lc-ms

PKN-ISO/TS 27106-2021-06 P Cheese -- Determination of nisin A content by LC-MS and LC-MS-MS

Association Francaise de Normalisation, Determination of content by lc-ms

NF EN 17212:2019 Aliments des animaux - Méthodes d'échantillonnage et d'analyse - Détermination des teneurs en mélanine et en acide cyanurique par chromatographie liquide couplée à la spectrométrie de masse (LC-MS/MS)
NF V03-097*NF EN 15055:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS/MS method
NF V03-194*NF EN 16924:2017 Foodstuffs - Determination of zearalenone in edible vegetable oils by LC-FLD or LC-MS/MS
NF V03-096*NF EN 15054:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS method.
NF V08-754*NF EN ISO 18465:2017 Microbiology of the food chain - Quantitative determination of emetic toxin (cereulide) using LC-MS/MS
NF EN 17252:2020 Produits alimentaires - Détermination de la teneur en phomopsine A dans les graines de lupin et les produits dérivés du lupin par CL-SM/SM
NF EN ISO 18465:2017 Microbiologie de la chaîne alimentaire - Détermination quantitative de la toxine émétique (céreulide) par CL-SM/SM
NF EN 17362:2020 Aliments pour animaux : méthodes d'échantillonnage et d'analyse - Détermination de la teneur en pentaclorophénol (PCP) dans les matières premières pour aliments des animaux et les aliments composés pour animaux par CL-SM/SM
NF EN 16858:2017 Produits alimentaires - Détermination de la teneur en mélamine et en acide cyanurique dans les produits alimentaires par chromatographie en phase liquide couplée à la spectrométrie de masse en tandem (CL-SM/SM)
NF G52-238-1*NF EN ISO 23702-1:2018 Leather - Organic fluorine - Part 1 : determination of the non-volatile compound content by extraction method using liquid chromatography/tandem mass spectrometry detector (LC-MS/MS)
NF V18-248*NF EN 17212:2019 Animal Feeding stuffs - Methods of sampling and analysis - Determination of melamine and cyanuric acid content by liquid chromatographic method with mass spectrometric detection (LC-MS/MS)
NF EN ISO 23702-1:2018 Cuir - Fluor organique - Partie 1 : détermination de la teneur en composés non volatils par une méthode d'extraction utilisant la chromatographie en phase liquide couplée à un détecteur par spectrométrie de masse en tandem (LC-MS/MS)
NF V37-199:2017 Cigarettes - Determination of tobacco specific nitrosamines in mainstream cigarette smoke - Method using LC-MS/MS
NF V37-199*NF ISO 19290:2021 Cigarettes - Determination of tobacco specific nitrosamines in mainstream cigarette smoke - Method using LC-MS/MS
NF ISO 23970:2021 Lait, produits laitiers et formule infantile - Détermination de la teneur en mélamine et en acide cyanurique par chromatographie en phase liquide couplée à la spectrométrie de masse en tandem (CL-SM/SM)
NF EN 15637:2009 Aliments d'origine végétale - Détermination des pesticides par LC-MS/MS après extraction méthanolique et purification sur terre de diatomées
NF EN 17256:2019 Aliments des animaux : méthodes d'échantillonnage et d'analyse - Détermination de la teneur en alcaloïdes de l'ergot et en alcaloïdes tropaniques dans les matières premières et les aliments composés par CL-SM/SM
NF V18-804*NF EN 17504:2022 Animal feeding stuffs - Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
NF EN 17411:2020 Engrais - Dosage du perchlorate dans les engrais minéraux par chromatographie liquide couplée à la spectrométrie de masse (LC-MS/MS)
XP V04-023*XP ISO/TS 15495:2010 Milk, milk products and infant formulae - Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
NF V03-061:2009 Foods of plant origin - Determination of pesticide residues using GC-MS and/or LC-MS/MS) following acetonitrile extraction/partitioning and clean-up by dispersive SPE - QuEChERS-method.
NF EN 12393-3:2013 Aliments d'origine végétale - Méthodes multirésidus de détermination de résidus de pesticides par CPG ou CL-SM/SM - Partie 3 : détermination et essais de confirmation
NF U42-248*NF EN 17411:2020 Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS)
NF EN ISO 11916-3:2021 Qualité du sol - Dosage d'une sélection d'explosifs et de composés apparentés - Partie 3 : méthode utilisant la chromatographie en phase liquide couplée à la spectrométrie de masse en tandem (CL-SM/SM)
NF V03-062*NF EN 15637:2009 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth
NF V37-206*NF ISO 21766:2019 Tobacco and tobacco products - Determination of tobacco-specific nitrosamines in tobacco products - Method using LC-MS/MS

European Committee for Standardization (CEN), Determination of content by lc-ms

EN 15055:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS/MS method
EN 16924:2017 Foodstuffs - Determination of zearalenone in edible vegetable oils by LC-FLD or LC-MS/MS
EN 15054:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS method
EN ISO 18465:2017 Microbiology of the food chain - Quantitative determination of emetic toxin (cereulide) using LC-MS/MS
PD CEN/TR 15641:2007 Food analysis - Determination of pesticide residues by LCMS/MS - Tandem mass spectrometric parameters
FprCEN/TS 17743-2021 Foodstuff - Determination of pesticide residues by ethyl acetate extraction using GC- and LC-MS/MS (SweEt)
EN 16143:2013 Petroleum products - Determination of content of Benzo(a)pyrene (BaP) and selected polycyclic aromatic hydrocarbons (PAH) in extender oils - Procedure using double LC cleaning and GC/MS analysis
EN ISO 11916-3:2021 Soil quality - Determination of selected explosives and related compounds - Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS) (ISO 11916-3:2021)
EN 15637:2008 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth

German Institute for Standardization, Determination of content by lc-ms

DIN EN 15055:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS/MS method; German version EN 15055:2006
DIN EN 16924:2017-08 Foodstuffs - Determination of zearalenone in edible vegetable oils by LC-FLD or LC-MS/MS; German version EN 16924:2017
DIN EN ISO 18465:2017-05 Microbiology of the food chain - Quantitative determination of emetic toxin (cereulide) using LC-MS/MS (ISO 18465:2017); German version EN ISO 18465:2017
DIN EN 16924:2017 Foodstuffs - Determination of zearalenone in edible vegetable oils by LC-FLD or LC-MS/MS
DIN EN 15054:2006 Non fatty foods - Determination of chlormequat and mepiquat - LC-MS method; German version EN 15054:2006
DIN-Fachbericht CEN/TR 15641:2007 Food analysis - Determination of pesticide residues by LC-MS/MS - Tandem mass spectrometric parameters; German version CEN/TR 15641:2007
DIN EN 17212:2019 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)
DIN EN 17212:2019-11 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); German version EN 17212:2019
DIN EN 17203:2019 Foodstuffs - Determination of citrinin in food by liquid chromatography tandem mass spectrometry (LC-MS/MS)
DIN EN 17845:2022-06 Construction products: Assessment of release of dangerous substances - Determination of biocide residues using LC-MS/MS; German and English version prEN 17845:2022 / Note: Date of issue 2022-05-06
DIN CEN/TS 17743:2022-10 Foodstuff - Determination of pesticide residues by ethyl acetate extraction using GC- and LC-MS/MS (SweEt); German version CEN/TS 17743:2022
DIN EN ISO 18465:2017 Microbiology of the food chain - Quantitative determination of emetic toxin (cereulide) using LC-MS/MS (ISO 18465:2017); German version EN ISO 18465:2017
DIN EN 17845:2022 Construction products: Assessment of release of dangerous substances - Determination of biocide residues using LC-MS/MS; German and English version prEN 17845:2022
DIN EN 16143:2013-05 Petroleum products - Determination of content of Benzo(a)pyrene (BaP) and selected polycyclic aromatic hydrocarbons (PAH) in extender oils - Procedure using double LC cleaning and GC/MS analysis; German version EN 16143:2013
DIN EN 17504:2022-05 Animal feeding stuffs: Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS; German version EN 17504:2022
DIN EN 17411:2021-01 Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS); German version EN 17411:2020
DIN EN 17892:2022-09 Water quality - Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water - Method using liquid chromatography/mass spectrometry (LC/MS); German and English version prEN 17892:2022 / Note: Date of issue 2022-08-12
DIN EN 15637:2009 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth; English version of DIN EN 15637:2009-02
DIN EN 15637:2009-02 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth; German version EN 15637:2008
DIN EN ISO 11916-3:2022-05 Soil quality - Determination of selected explosives and related compounds - Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS) (ISO 11916-3:2021); German version EN ISO 11916-3:2021
DIN EN 17411:2021 Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS); German version EN 17411:2020
DIN EN 17683:2023-04 Animal feeding stuffs - Methods of sampling and analysis - Determination of pyrrolizidine alkaloids in animal feeding stuff by LC-MS/MS; German version EN 17683:2023
DIN EN 17163:2017 Pulp, paper and board - Determination of primary aromatic amines (PAA) in a water extract by a LC/MS/MS method; German and English version prEN 17163:2017
DIN EN 16858:2017-08 Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS); German version EN 16858:2017

ES-UNE, Determination of content by lc-ms

UNE-EN ISO 18465:2017 Microbiology of the food chain - Quantitative determination of emetic toxin (cereulide) using LC-MS/MS (ISO 18465:2017)
UNE-EN 16924:2018 Foodstuffs - Determination of zearalenone in edible vegetable oils by LC-FLD or LC-MS/MS
UNE-EN 17212:2020 Animal Feeding stuffs - Methods of sampling and analysis - Determination of melamine and cyanuric acid content by liquid chromatographic method with mass spectrometric detection (LC-MS/MS)
UNE-CEN/TS 17743:2022 Foodstuff - Determination of pesticide residues by ethyl acetate extraction using GC- and LC-MS/MS (SweEt) (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-EN 17504:2022 Animal feeding stuffs: Methods of sampling and analysis - Determination of gossypol in cotton seed and feeding stuff by LC-MS/MS
UNE-EN 16143:2013 Petroleum products - Determination of content of Benzo(a)pyrene (BaP) and selected polycyclic aromatic hydrocarbons (PAH) in extender oils - Procedure using double LC cleaning and GC/MS analysis (Endorsed by AENOR in April of 2013.)
UNE-EN 17411:2021 Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS)
UNE-EN ISO 11916-3:2021 Soil quality - Determination of selected explosives and related compounds - Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS) (ISO 11916-3:2021) (Endorsed by Asociación Española de Normalización in November of 2021.)

CEN - European Committee for Standardization, Determination of content by lc-ms

EN ISO 23702-1:2018 Leather - Organic fluorine - Part 1: Determination of nonvolatile compounds by extraction method using liquid chromatography/tandem mass spectrometry detector (LCMS/ MS)
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)
EN 17203:2018 Foodstuffs - Determination of citrinin in food by liquid chromatography tandem mass spectrometry (LC-MS/MS)
PREN 17203-2017 Foodstuffs - Determination of citrinin in food by liquid chromatography tandem mass spectrometry (LC-MS/MS)
PREN 16143-2010 Petroleum products - Determination of content of Benzo(a)pyrene (BaP) and selected polycyclic aromatic hydrocarbons (PAH) in extender oils - Procedure using double LC cleaning and GC/MS analysis

Korean Agency for Technology and Standards (KATS), Determination of content by lc-ms

KS M ISO 23702-1:2020 Leather — Organic fluorine — Part 1: Determination of the non volatile compound content by extraction method using liquid chromatography/tandem mass spectrometry detector (LC-MS/MS)
KS H ISO 19290:2018 Cigarettes － Determination of tobacco specific nitrosamines in mainstream cigarette smoke － Method using LC-MS/MS
KS M 6905-2021 Leather — Determination of the perfluorinated compounds(PFCs) by gas chromatography-tandem mass spectrometry(GC-MS/MS) and liquid chromatography-tandem mass spectrometry(LC-MS/MS)
KS H ISO 21766:2021 Tobacco and tobacco products — Determination of tobacco-specific nitrosamines in tobacco products — Method using LC-MS/MS

KR-KS, Determination of content by lc-ms

KS M ISO 23702-1-2020 Leather — Organic fluorine — Part 1: Determination of the non volatile compound content by extraction method using liquid chromatography/tandem mass spectrometry detector (LC-MS/MS)
KS H ISO 19290-2018 Cigarettes － Determination of tobacco specific nitrosamines in mainstream cigarette smoke － Method using LC-MS/MS
KS H ISO 21766-2021 Tobacco and tobacco products — Determination of tobacco-specific nitrosamines in tobacco products — Method using LC-MS/MS

American Society for Testing and Materials (ASTM), Determination of content by lc-ms

ASTM D7730-11 Standard Test Method for Determination of Dioctyl Sulfosuccinate in Sea Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
ASTM D7731-11 Standard Test Method for Determination of Dipropylene Glycol Monobutyl Ether and Ethylene Glycol Monobutyl Ether in Sea Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
ASTM D8456-22 Standard Test Method for Determination of Nitrosamines in Water by Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
ASTM D7731-11e1 Standard Test Method for Determination of Dipropylene Glycol Monobutyl Ether and Ethylene Glycol Monobutyl Ether in Sea Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
ASTM D7968-14 Standard Test Method for Determination of Perfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
ASTM D7968-23 Standard Test Method for Determination of Polyfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
ASTM D7968-17a Standard Test Method for Determination of Polyfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
ASTM D7968-17a(2017) Standard test method for determination of polyfluorinated compounds in soil using liquid chromatography tandem mass spectrometry (LC/MS/MS)

Danish Standards Foundation, Determination of content by lc-ms

DS/EN 16143:2013 Petroleum products - Determination of content of Benzo(a)pyrene (BaP) and selected polycyclic aromatic hydrocarbons (PAH) in extender oils - Procedure using double LC cleaning and GC/MS analysis
DS/ISO 19290:2021 Cigarettes – Determination of tobacco specific nitrosamines in mainstream cigarette smoke – Method using LC-MS/MS
DS/ISO 11916-3:2021 Soil quality – Determination of selected explosives and related compounds – Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
DS/EN 15637:2008 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth
DS/EN ISO 11916-3:2021 Soil quality – Determination of selected explosives and related compounds – Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS) (ISO 11916-3:2021)

Lithuanian Standards Office , Determination of content by lc-ms

LST EN 15637-2009 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth

AENOR, Determination of content by lc-ms

UNE-EN 15637:2009 Foods of plant origin - Determination of pesticide residues using LC-MS/MS following methanol extraction and clean-up using diatomaceous earth

Professional Standard - Commodity Inspection, Determination of content by lc-ms

SN/T 4057-2014 Determination of sulfonamides residues in foodstuffs of animal origin for export.HPLC and LC-MS/MS method with immunoaffinity column clean-up