HPLC

HPLC, Total:210 items.

The international standard classification for "HPLC" includes: Pesticides and other agrochemicals in general , Animal feeding stuffs , Oilseeds , Meat and meat products , Vegetables and derived products , Farming and forestry , Plant growing , Milk and processed milk products , General methods of tests and analysis for food products , Animal and vegetable fats and oils , Chemical analysis , Cosmetics. Toiletries , Spices and condiments , food products in general , Water quality , Surface active agents , Tobacco, tobacco products and related equipment , Protection against crime , Biology. Botany. Zoology , Photographic paper, films and cartridges , Materials and articles in contact with foodstuffs , Plastics in general , Toys , Food microbiology , Fish and fishery products , Photographic chemicals .

The Chinese standard classification for "HPLC" includes: Livestock and poultry feed and additive , Oil crop and product , Livestock and poultry product , Cereal crop and forage crop in general , Melon, fruit and vegetable planting and product , Basic standards and general methods , Food processing and products in general , Plant protection in general , Food sanitation , Basic standards and general methods , Basic standards and general methods , Grease and oil processing and products , Cosmetics , Tooth paste, soap and detergent , Aromatics, seasoner crop and product , Analysis methods for toxic and harmful substances in animal and plant , Analysis methods for toxic substances in water , Tobacco , Crime judging technology , Environmental Condition and General Test Method , Basic standards and general methods for photosensitive material , Basic standards and general methods for synthetic resin and plastic , Toys , Vegetable processing and products , Aquatic products processing and products , Photographic-grade chemicals , Tobacco curing in general , chromatograph .

Professional Standard - Agriculture

NY/T 1582-2007 Rapeseed - Determination of glucosinolates content - Method using high - Performance liquid chromatography
NY/T 1158-2006 Method for determination of metronidazole residues in animal derived food High performance liquid chromatography
63药典四部-2020 0512 High performance liquid chromatography
NY/T 3164-2017 Determination of anthocyanins in black rice-High-performance liquid chromatography
782兽药典二部-2015 Appendix Contents 0500 Chromatography 0512 High Performance Liquid Chromatography
NY/T 1727-2009 Determination of imidacloprid residues in rice by HPLC
NY/T 1381-2007 Determination of Capsaicin by High Performance Liquid Chromatography
NY/T 3140-2017 Determination of phenylethanolamine A in feeds- High performance liquid chromatography
NY/T 3139-2017 Determination of levamisole in feeds- High performance liquid chromatography
1766药典一部-2010 Appendix VI D High Performance Liquid Chromatography
NY/T 2004-2011 Determination of phospholipids in soybean and soybean products-HPLC
NY/T 2336-2013 Determination of polymethoxylated flavones in citrus and derived products.HPLC
NY/T 3514-2019 Determination of chlorogenic acids in coffee- High performance liquid chromatography
183药典三部-2015 Chromatography 0512 General Principles of High Performance Liquid Chromatography 23
NY/T 1457-2007 Determination of norfloxacin in feeds-High-performance liquid chromatography
NY/T 2008-2011 Determination of lutein in marigold raw material and its derived product by high performance liquid chromatography
NY/T 2280-2012 Determination of Agaritine in Agaricus Bisporus by HPLC
NY/T 1332-2007 Milk and Dairy Products-Determination of 5-hydroxymethylfurfural by HPLC
NY/T 1382-2007 Determination of Gossypol Enantimers in Cotton Seed by HPLC
NY/T 1595-2008 Determination of sesamin cotent—High performance liquid chromatography
NY/T 727-2003 Determination of furazolidone in feeds—High performance liquid chromatography
NY/T 3322-2018 Determination of tartrazine 7 kinds of water-soluble pigment in feeds—High performance liquid chromatography
NY/T 1286-2007 Determination of Aflatoxin B1 Content in Peanut - High Performance Liquid Chromatography
NY/T 2116-2012 Determination of cordycepin and adenosine in cordyceps products by high performance liquid chromatography method
NY/T 1258-2007 Determination of sudandyes in feed High - Performance liquid chromatography
NY/T 1277-2007 Determination of Iprodione Residues in Vegetables by HPLC
NY/T 3292-2018 etermination of formaldehyde in vegetables by high performance-Liquid chromatography
NY/T 1693-2009 Determination of barbaloin aloe and its products by HPLC
NY/T 1722-2009 Determination of anliazine residue residue in vegetables by HPLC
NY/T 1666-2008 Determination of benzo[a]pyrene in meat products High performance liquid chromatography method
NY/T 3871-2021 Determination of alliin in garlic—High performance liquid chromatography
82药典四部-2015 0512 High performance liquid chromatography
NY/T 2643-2014 Determination of allicin in garlic and its products. High performance liquid chromatography
NY/T 914-2004 Determination of Hydrocortisone in Feeds -- High-performance Liquid Chromatography
NY/T 1463-2007 Determination of methaqualone in feeds by high - Performance liquid chromatography
202药典三部-2020 Chromatography 0512 High Performance Liquid Chromatography
158药典三部-2010 Appendix III Chromatography IIIB High Performance Liquid Chromatography
NY/T 3101-2017 Determination of monascus pigments in meat products-HPLC method
2306药典二部-2010 Appendix V D High Performance Liquid Chromatography
NY/T 1798-2009 Determination of phospholipids in vegetable oil by HPLC
NY/T 3941-2021 Determination of phytic acid content in grain-High performance liquid chromatography

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

GB/T 29662-2013 Determination of kojic acid and kojic dipalmitate in cosmetics—High performance liquid chromatography
GB/T 20189-2006 Determination of ractopamine in animal feeds High performance liquid chromatographic method
GB/T 19542-2007 Determination of sulfonamides in feeds—High-performance liquid chromatography
GB/T 30945-2014 Determination of tylosin in feeds―High performance liquid chromatography
GB/T 23382-2009 Determination of sodium propionate and calcium propionate in foods—High performance liquid chromatography method
GB/T 30388-2013 Chillies and chilli oleoresins—Determination of total capsaicinoid content—Method using HPLC
GB/T 38479-2021 Determination of chitosan content―High performance liquid chromatography
GB/T 17528-2009 Determination of piperine content—Method using HPLC
GB/T 29664-2013 Determination of vitamin B3(nicotinic acid and nicotinamide)in cosmetics—HPLC and HPLC-MS/MS
GB/T 24800.7-2009 Determination of brucine and strychnine in cosmetics by high performance liquid chromatography method
GB/T 25220-2010 Inspection of grain and oils—Determination of ochratoxin A in grains by high performance liquid chromatography and fluorometer
GB/T 16631-2008 General rules for high performance liquid chromatography
GB/T 22509-2008 Animal and Vegetable Fats and Oils-Determination of Benzo(a)pyrene-Reverse-phase High Performance Liquid Chromatography Method
GB/T 28717-2012 Determination of malonaldehyde in feed—High performance liquid chromatography
GB/T 16156-1996 Biomaterials--Determination of urinary 1-hydroxypyrene - High performance liquid chromatography
GB/T 29492-2013 Chemicals applied in digital printing materials—The determination of triazines B—Reversed phase high performance liquid chromatography
GB/T 22222-2008 Determination of xylitol sorbitol maltitol in foods - High-performance liquid chromatography
GB/T 24800.1-2009 Determination of 9 tetracyclines in cosmetics by high performance liquid chromatography method
GB/T 23296.22-2009 Food contact materials - Determination of isocyanates in plastics - High performance liquid chromatography
GB/T 31758-2015 Determination of solanesol in tobacco leaves and the extracts of tobacco leaves―High performance liquid chromatography method
GB/T 23187-2008 Determination of lutein in feeds - High performance liquid chromatography
GB/T 21970-2008 Water quality - Determiniation of putrescine cadaverine spermidine spermine and histamine - High performance liquid chromatography method
GB/T 5009.116-2003 Determination of oxytetracyline,tetracyline and chlortetracycline residues in meat(HPLC)
GB/T 23383-2009 Determination of sodium hydrogen diacetate in foods— High performance liquid chromatography method
GB/T 8381.10-2005 Determination of sulfaquinoxaline in feed - High performance liquid chromatography
GB/T 32122-2015 Determination of 12 nitroimidazoles in toothpaste―HPLC and HPLC-MS/MS
GB/T 29674-2013 Determination of chloramine T in cosmetics—High performance liquid chromatography
GB/T 44614-2024 Inspection of grains and oils—Determination of the triacylglycerols composition in vegetable oils—High performance liquid chromatography
GB/T 30087-2013 Determination of Pheylbutazone in Cosmetics by High Performance Liquid Chromatography Method
GB/T 19371.2-2007 Determination of methionine hydroxy analogue in feeds—High-performance liquid chromatography
GB/T 32112-2015 Determination of peroxide in oral care products―High performance liquid chromatography method
GB/T 23882-2009 Determination of L-ascorbyI-2-monophosphate in feeds-High performance liquid chromatography
GB/T 19267.11-2008 Physical and chemical examination of trace evidence in forensic sciences - Part 11: High performance liquid chromatography
GB/T 23381-2009 Determination of 6-benzylaminopurine in foods—High-performance liquid chromatography
GB/T 17818-2010 Determination of vitamin D3 in feeds - High-performance liquid chromatography
GB/T 22259-2008 Determination of oxytetracycline in feeds—High performance liquid chromatography
GB/T 40496-2021 Determination of antioxidant content in jet fuel—High performance liquid chromatography

Professional Standard - Light Industry

QB/T 4617-2013 Determination of Baicalin in Cosmetics - High performance liquid chromatography

Agricultural Standard of the People's Republic of China

农业部1862号公告-6-2012 Determination of oxolinic acid in feeds.High performance liquid chromatography
农业部2224号公告-2-2015 Determination of ethinylestradiol in feeds.High performance liquid chromatography
农业部1068号公告-6-2008 Determination of raloxifene in feeds.High-performance liquid chromatography
农业部2224号公告-1-2015 Determination of sedecamycin in feeds.High performance liquid chromatography
农业部1629号公告-2-2011 Determination of reserpine in feeds. High-performance liquid chromatography

Professional Standard - Business

SB/T 10501-2008 Determination of diazepam in muscle of livestock and poultry - High performance liquid chromatography

Professional Standard - Commodity Inspection

SN/T 5424-2022 Textiles for import and export - Determination of azodicarbonamide - High performance liquid chromatography method
SN/T 2095-2008 Determination of chlorfluazuron residues in vegetables for import and export—High performance liquid choromatographic method
SN/T 3848-2014 Test method for tea polyphenol in food for export - High performance liquid chromatography
SN/T 2936-2011 Determination of Phenols Preservatives in Coatings for Import and Export - High Performance Liquid Chromatography
SN/T 1743-2006 Determination of allure red AC、carmosine、brillint biue FCF、sunset yellow FCF in food-High performance liquid chromatogarphic method
SN/T 2331-2009 Raw material of textiles—Determination of sugar contents in cotton—High performance liquid chromatography(HPLC)method
SN/T 2008-2007 Determination of patulin in fruit juice for import and export. HPLC method
SN/T 1902-2007 Determination of imidacloprid and acetamiprid residues in fruits and vegetables-HPLC
SN/T 0804-1999 HPLC method for determination of erucic acid in rapeseed oil for import and export
SN/T 2420-2010 Determination of active ingredient content in insecticide thiamethoxam water dispersible granules—High performance liquid chromatography
SN/T 2282-2009 Food contact materials - Polyer materials - Determination of 2, 2-bis(4 - Hydroxyphenyl)propane(Bisphenol A)in food simulants - HPLC method
SN/T 2048-2008 Determination of antioxidants in plastics and plastic articles - High performance liquid chromatography
SN/T 3124-2012 Determination of phenols presservatives in rubber and rubber products-High performance liquid chromatography
SN/T 4113-2015 Determination of acetophenon in plastic and plastic products-High performance liquid chromatography
SN/T 2544-2010 Determination of content in glycerine—High performance liquid chromatography
SN/T 3333-2012 Determination of the“Blue colourant”on import and export textiles - HPLC method
SN/T 2086-2008 Determination of formaldehyde in wooden toysPVC toys - High Performance liquid chromatography method
SN/T 2279-2009 Food contact materials and articles - Determination of PAHs in plastics and plastics items - HPLC method
SN/T 3225.1-2012 Textiles-Determination of triclosan - Part 1: High-performance liquid chromatography method
SN/T 2448-2010 Determination of water-soluble colorants in lipsticks—High performance liquid chromatography
SN/T 2266-2009 Determination of glyphosate-isopropylammonium in roundup—High performance liquid chromatography
SN/T 2655-2010 Determination of natamycin residue in fruit juice for import and export-HPLC
SN/T 3111-2012 Determination of triclosan in air freshening preparations-High performance liquid chromatography

Professional Standard - Environmental Protection

HJ 1073-2019 Water quality—Determination of naphthol —High performance liquid chromatography
HJ 1055-2019 Soil and sediment—Determination of glyphosate—High performance liquid chromatography
HJ 1071-2019 Water quality—Determination of glyphosate —High performance liquid chromatography
HJ 638-2012 Ambient air-Determination of phenolic compounds by high performance liquid chromatography
HJ 1154-2020 Ambient air—Determination of aldehyde and ketone compounds — Solution absorption-High performance liquid chromatography
HJ 1017-2019 Water quality—Determination of benzidine—High performance liquid chromatography
HJ 960-2018 Soil and sediment - Determination of carbamate pesticides - Post-column derivatization-high performance liquid
HJ 478-2009 Water quality-Determination of polycyclic aromatic hydrocarbons byliquid-liquid extraction and solid-phase etracton-High performance liquid chromatography
HJ 1052-2019 Soil and sediment—Determination of 11 triazine pesticides—High performance liquid chromatography

Professional Standard - Aquaculture

SC/T 3049-2015 Determination of sea cucumber polysaccharides in Apostichopus japonicus and interrelated products-High performance liquid chromatography
SC/T 3048-2014 Determination of K value as fishery freshness index-High performance liquid chromatography
SC/T 3053-2019 Determination of astaxanthin in fish and fishery products by high performance liquid chromatography method

Professional Standard - Chemical Industry

HG/T 2414-1993 Photographic chemicals Coupler--Determination of assay --Reversed phase high performance liquid chromatography
HG/T 2535-1993 Photographic chemicals. The method for the determination of sensitization dyes. Reversed phase high performance liquid chromatography

Professional Standard - Tobacco

YC/T 408-2011 Determination of nordihydroguaiaretic acid in tobacco additives—High performance liquid chromatographic method
YC/T 378-2010 Cigarettes—Determination of carbonyls in sidestream cigarette smoke—High performance liquid chromatographic method
YC/T 182-2004 Tobacco and tobacco products-Determination of imidacloprid residue-High performance liquid chromatographic method
YC/T 407-2011 Determination of salicylic acid in tobacco additives—High performance liquid chromatographic method
YC/T 381-2010 Tobacco and tobacco products—Determination of glucose fructose and sucrose—High performance liquid chromatographic method
YC/T 406-2011 Determination of aristolochic acid A in tobacco additives—High performance liquid chromatographic method
YC/T 255-2008 Cigarettes - Determination of major phenolic compounds in mainstream cigarette smoke - High performance liquid chromatographic method

Henan Provincial Standard of the People's Republic of China

DB41/T 1503-2017 Determination of urea in workplace air by high performance liquid chromatography

Jilin Provincial Standard of the People's Republic of China

DB22/T 1232-2011 Determination of thiamethoxam residues in ginseng-high performance liquid chromatography
DB22/T 2426-2016 Determination of carbendazim residues in ginseng by high performance liquid chromatography
DB22/T 1230-2011 Determination of iprodione residues in ginseng-high performance liquid chromatography

Anhui Provincial Standard of the People's Republic of China

DB34/T 3990-2021 Determination of Adfurfural Residues in Animal Tissues by High Performance Liquid Chromatography
DB34/T 1360-2019 Determination of Diclazuril in Feed by High Performance Liquid Chromatography
DB34/T 3991-2021 Determination of Tilmicosin Residues in Poultry Eggs by High Performance Liquid Chromatography

Guangdong Provincial Standard of the People's Republic of China

DB44/T 2040-2017 Determination of glyoxal content in paper and paperboard by high performance liquid chromatography

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1718-2020 Determination of Solanine (α-Solanine and α-Chaconine) in Potato by High Performance Liquid Chromatography

Group Standards of the People's Republic of China

T/CASME 713-2023 Determination of L-Carnosine—High performance liquid chromatography
T/WHAS 066-2024 Determination of gestrinone - High-performance liquid chromatography
T/NXFSA 004S-2020 Determination of Lycium barbarum by High Performance Liquid Chromatography
T/CSATC 5-2020 Determination of Silk? by High Performance Liquid Chromatography

Professional Standard - Education

JY/T 024-1996 General rules for high performance liquid chromatography

Military Standard of the People's Republic of China-General Armament Department

GJB 4782-1997*GJBz 20414-1997 Determination of Benzene Chloroacetophenone by High Performance Liquid Chromatography
GJB 4780A-2021 Determination of Sies by high performance liquid chromatography
GJB 3647-1999 Determination of thiodiglycol by high performance liquid chromatography
GJB 4782A-2020 Determination of Benzene Chloroacetophenone by High Performance Liquid Chromatography
GJB 4780-1997*GJBz 20413.2-1997 Determination of Sies by high performance liquid chromatography
GJB 3647A-2021 Determination of thiodiglycol by high performance liquid chromatography

Professional Standard - Petroleum

SY/T 0527-1993 High Performance Liquid Chromatography for Group Composition Analysis of Crude Oil

Taiwan Provincial Standard of the People's Republic of China

CNS 14924-2005 Essential oils - Analysis by high performance liquid chromatography - General method

Shanghai Provincial Standard of the People's Republic of China

DB31/T 822-2014 Determination of gossypol in feeds—HPLC method

Liaoning Provincial Standard of the People's Republic of China

DB21/T 3287-2020 Water Quality Determination of Acrolein by High Performance Liquid Chromatography

Spanish Association for Standardization (UNE)

UNE 84769:2010 Cosmetic raw materials. Plant extracts. Determination of flavonoids and phenolic acids by high performance liquid.
UNE-EN 15652:2010 Foodstuffs - Determination of niacin by HPLC
UNE-EN 12857:2001 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
UNE-EN 15607:2010 Foodstuffs - Determination of d-biotin by HPLC
UNE-EN 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography
UNE-EN 14152:2015 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography
UNE-EN 14164:2008 Foodstuffs - Determination of vitamin B6 by HPLC

Swedish Institute for Standards

SS-EN 15705:2023 Inorganic fertilizers - Determination of methylen-urea oligomers using high-performance liquid chromatography (HPLC)
SS-ISO 21490:2022 Rubber and rubber products — Determination of 2-mercaptobenzothiazole content by high performance liquid chromatography (HPLC) (ISO 21490:2022, IDT)
SS-EN 16155:2012 Foodstuffs - Determination of sucralose - High performance liquid chromatographic method
SS-EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method

Standards Norway

NS-EN 15652:2009 Foodstuffs — Determination of niacin by HPLC
NS-EN 12857:1999 Foodstuffs — Determination of cyclamate — High performance liquid chromatographic method
NS-EN 14148:2003 Foodstuffs — Determination of vitamin K1 by HPLC
NS-EN 14164:2008 Foodstuffs — Determination of vitamin B6 by HPLC
NS-EN 14152:2014 Foodstuffs — Determination of vitamin B2 by high performance liquid chromatography

Danish Standards Foundation

DANSK DS/EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
DS/EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
DANSK DS/EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
DANSK DS/EN 14152:2014 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography
DS/EN 14152/AC:2006 Foodstuffs - Determination of vitamin B2 by HPLC
DS/EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
DANSK DS/EN 14152/AC:2006 Foodstuffs - Determination of vitamin B2 by HPLC
DANSK DS/EN 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography

Lithuanian Standards Office

LST EN 15652-2009 Foodstuffs - Determination of niacin by HPLC
LST EN 14152-2004 Foodstuffs - Determination of vitamin B2 by HPLC
LST EN 12857-2000 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
LST EN 15607-2009 Foodstuffs - Determination of d-biotin by HPLC

Ente Nazionale Italiano di Unificazione

UNI EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
UNI EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
UNI EN 14152:2014 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography

German Institute for Standardization

DIN EN 15652:2009-09 Foodstuffs - Determination of niacin by HPLC; German version EN 15652:2009
DIN EN ISO 10504:2000 Starch derivates - Determination of the composition of glucose syrups, fructose syrups and hydrogenated glucose syrups - Method using high-performance liquid chromatography (ISO 10504:1998); German version EN ISO 10504:2000
DIN EN 14122:2014-08 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography; German version EN 14122:2014
DIN EN 12857:1999-07 Foodstuffs - Determination of cyclamate - Method by high performance liquid chromatography; German version EN 12857:1999
DIN EN 15652 E:2007-05 Draft Document - Foodstuffs - Determination of niacin by HPLC; German version prEN 15652:2007
DIN EN ISO 10504 E:2015-02 High performance liquid chromatography method for determination of the composition of starch derivatives glucose syrup, fructose syrup and hydrogenated glucose syrup (draft)
DIN EN 14148:2003 Foodstuffs - Determination of vitamin K1 by HPLC; German version EN 14148:2003
DIN EN 14152:2003 Foodstuffs - Determination of vitamin B2 by HPLC; German version EN 14152:2003
DIN EN 14148:2003-10 Foodstuffs - Determination of vitamin K1 by HPLC; German version EN 14148:2003

Association Francaise de Normalisation

NF V03-627:1999 STARCH DERIVATIVES. DETERMINATION OF THE COMPOSITION OF GLUCOSE SYRUPS, FRUCTOSE SYRUPS AND HYDROGENATED GLUCOSE SYRUPS. METHOD USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY.
NF EN 15652:2009 Food products - Determination of niacin by High Performance Liquid Chromatography (HPLC)
NF V03-161*NF EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
NF V03-134:2004 Foodstuffs - Determination of vitamin B2 by HPLC.
NF V03-160*NF EN 15607:2009 Foodstuffs - Determination of d-biotin by HPLC.
NF V03-134*NF EN 14152:2014 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography
NF EN 12857:2001 Food products - Determination of cyclamate - High performance liquid chromatography method

International Organization for Standardization (ISO)

ISO 10504:1998 Starch derivates - Determination of the composition of glucose syrups, fructose syrups and hydrogenated glucose syrups - Method using high-performance liquid chromatography

Korean Agency for Technology and Standards (KATS)

KS H ISO 10504:2008 Starch derivatives－Determination of the composition of glucose syrups, fructose syrups and hydrogenated glucose syrups－Method using high-performance liquid chromatography

British Standards Institution (BSI)

BS EN 15905:2010 Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)
BS EN 15607:2009 Foodstuffs - Determination of d-biotin by HPLC
BS EN 15652:2009 Foodstuffs - Determination of niacin by HPLC

Gosstandart of Russia

GOST EN 15652-2015 Foodstuffs. Determination of niacin by high performance liquid chromatography
GOST EN 12857-2015 Foodstuffs. Determination of cyclamate. High performance liquid chromatographic method
GOST EN 15360-2015 Fertilizers. Determination of dicyandiamide by high-performance liquid chromatography method
GOST 34151-2017 Foodstuffs. Determination of vitamin C by high performance liquid chromatography

Japanese Industrial Standards Committee (JISC)

JIS K 0136:2015 General rules for high performance liquid chromatography / mass spectrometry