HPLC and HPLC
HPLC and HPLC, Total:200 items.
The international standard classification for "HPLC and HPLC" includes: Farming and forestry , Chemical analysis , Other standards related to optics and optical measurements , Cosmetics. Toiletries , Essential oils , Biology. Botany. Zoology , Sugar and sugar products , Animal and vegetable fats and oils , Protection against crime , Organic acids , Surface active agents , General methods of tests and analysis for food products , Coals , Photographic chemicals , Animal feeding stuffs .
The Chinese standard classification for "HPLC and HPLC" includes: Basic standards and general methods , Basic standards and general methods , chromatograph , Cosmetics , Fragrances and flavors , Environmental Condition and General Test Method , Sugar refining , Grease and oil processing and products , Crime judging technology , Organic chemicals in general , Tooth paste, soap and detergent , Basic standards and general methods , Coal analysis methods , Basic standards and general methods , Photographic-grade chemicals , Livestock and poultry feed and additive .
Professional Standard - Agriculture
- NY/T 1381-2007 Determination of Capsaicin by High Performance Liquid Chromatography
- NY/T 3164-2017 Determination of anthocyanins in black rice-High-performance liquid chromatography
- 183药典 三部-2015 Chromatography 0512 General Principles of High Performance Liquid Chromatography 23
- 782兽药典 二部-2015 Appendix Contents 0500 Chromatography 0512 High Performance Liquid Chromatography
- NY/T 2896-2022 Determination of diazepam in muscle of livestock and poultry—High performance liquid chromatography
- 789兽药典 一部-2015 Appendix Contents 0500 Chromatography 0512 High Performance Liquid Chromatography
- 63药典 四部-2020 0512 High performance liquid chromatography
- 2306药典 二部-2010 Appendix V D High Performance Liquid Chromatography
- NY/T 2895-2016 Determination of folic acid in feeds. High performance liquid chromatography
- NY/T 1382-2007 Determination of Gossypol Enantimers in Cotton Seed by HPLC
- 82药典 四部-2015 0512 High performance liquid chromatography
- 1766药典 一部-2010 Appendix VI D 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
- 202药典 三部-2020 Chromatography 0512 High Performance Liquid Chromatography
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 29664-2013 Determination of vitamin B3(nicotinic acid and nicotinamide)in cosmetics—HPLC and HPLC-MS/MS
- GB/T 26792-2011 High performance liquid chromatography
- GB/T 26792-2019 High performance liquid chromatography
- GB/T 24773-2009 Determination of purity for ursolic acid—High performance liquid chromatographic method
- GB/T 38479-2021 Determination of chitosan content―High performance liquid chromatography
- GB/T 18932.13-2003 Method for the determiantion of phenol residues in honey - HPLC-fluorescence detection method
- GB/T 32122-2015 Determination of 12 nitroimidazoles in toothpaste―HPLC and HPLC-MS/MS
- GB/T 17528-2009 Determination of piperine content—Method using HPLC
- GB/T 27579-2011 Essential oils—Analysis by high performance liquid chromatography—General method
- GB/T 38169-2019 Determination of caulerpin content—High performance liquid chromatography
- GB/T 29636-2013 GC ,HPLC and GC-MS examination methods for methylamphetamine in suspected drug
- GB/T 43968-2024 General rules for high performance liquid chromatography-atomic fluorescence spectrometry analysis method
- GB/T 46325-2025 Determination of Free Sulfur Content in Vulcanized Rubber - Gas Chromatography (GC) and High Performance Liquid Chromatography (HPLC)
- GB/T 16631-2008 General rules for high performance liquid chromatography
Professional Standard - Education
- JY/T 024-1996 General rules for high performance liquid chromatography
Professional Standard - Commodity Inspection
- SN/T 4947-2017 Determination of five fluorescent bleachers in detergents-High performance liquid chromatography
- 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 5223-2019 Determination of 18 free amino acids in honey一HPLC-FLD method
- SN/T 4891-2017 Determination of Spirotetramat residue in foodstuffs for export—HPLC andLC-MS/MS method
- SN/T 4575-2016 Determination of multiple prohibited and restricted colorants in cosmetics for export-HPLC method and LC-MS/MS method
- SN/T 5819-2025 Determination of Ten Fluorescent Dyes in Lip and Eye Make-up by High Performance Liquid Chromatography with Fluorescence Detection
- SN/T 1974-2007 Determination of methylene bule residues in aquatic product for import and export LC-MS/MS and HPLC method
- SN/T 2087-2008 Determination of chlorine in coal—High performance liquid chromatography
- SN/T 2544-2010 Determination of content in glycerine—High performance liquid chromatography
- SN/T 4890-2017 Determination of curcuminoids in foodstuffs for export—HPLC method and HPLC-MS/MS method
Agricultural Standard of the People's Republic of China
- 农业部1862号公告-2-2012 Determination of zolpidem in feeds.High performance liquid chromatography/Liquid chromatography-tandem mass spectrometry
Sichuan Provincial Standard of the People's Republic of China
- DB51/T 2000-2015 Determination of optical brighteners in plastic products by high performance liquid chromatography
Group Standards of the People's Republic of China
- T/WHAS 065-2024 Determination of ganaxolone - High-performance liquid chromatography
- T/WHAS 066-2024 Determination of gestrinone - High-performance liquid chromatography
- T/SDAS 619-2023 Determination of Anthocyanins in Color Corn by High Performance Liquid Chromatography
- T/ZFB 0008-2020 Textiles—Determination of benzo[b]fluoranthene—High performance liquid chromatography
- T/HZAS 12-2020 Determination of benzo(j)fluoranthene in textiles by high performance liquid chromatography
- T/CASME 713-2023 Determination of L-Carnosine—High performance liquid chromatography
- T/HCCC 01-2022 Luoding Cinnamomum cassia High performance liquid chromatographic fingerprint method
- T/NXFSA 004S-2020 Determination of Lycium barbarum by High Performance Liquid Chromatography
- T/DLSHXH 005-2022 HPLC post-column derivatization system
- T/HZAS 13-2020 Determination of benzo(K)fluoranthene in textiles by high performance liquid chromatography
- T/CSATC 5-2020 Determination of Silk? by High Performance Liquid Chromatography
- T/YNBX 085-2023 Method for identification of authenticity of Gastrodia elata by high performance liquid chromatography fingerprint
Anhui Provincial Standard of the People's Republic of China
- DB3403/T 02-2020 Solid Phase Extraction-High Performance Liquid Chromatography of Synthetic Colorants in Food
- DB34/T 1636-2012 HPLC Analysis of Fenvalerate
- DB34/T 2992-2017 Determination of optical brighteners in detergent products by high performance liquid chromatography
Military Standard of the People's Republic of China-General Armament Department
- 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 3647-1999 Determination of thiodiglycol by high performance liquid chromatography
- GJB 4782-1997*GJBz 20414-1997 Determination of Benzene Chloroacetophenone by High Performance Liquid Chromatography
- GJB 3647A-2021 Determination of thiodiglycol by high performance liquid chromatography
- GJB 4780A-2021 Determination of Sies by high performance liquid chromatography
Professional Standard - Public Safety Standards
- GA/T 1513-2018 Forensic science—Examination methods for stamp traces—High performance liquid chromatography
Guangxi Provincial Standard of the People's Republic of China
- DB45/T 869-2012 Identification of Gecko by High Performance Liquid Chromatography Fingerprint
- DB45/T 870-2012 Identification of Red Chicken by High Performance Liquid Chromatography Fingerprint
Professional Standard - Environmental Protection
- HJ 1073-2019 Water quality—Determination of naphthol —High performance liquid chromatography
- HJ 1071-2019 Water quality—Determination of glyphosate —High performance liquid chromatography
- HJ 1017-2019 Water quality—Determination of benzidine—High performance liquid chromatography
Professional Standard - Petroleum
- SY/T 0527-1993 High Performance Liquid Chromatography for Group Composition Analysis of Crude Oil
Professional Standard - Tobacco
- YC/T 561-2018 Characteristic components of tobacco-Determination of enantiomer ratio of nicotine-High performance liquid chromatography method and ultra performance convergence chromatography-tandem mass spectrometry method
Chongqing Provincial Standard of the People's Republic of China
- DB50/T 952-2019 Determination of Ochratoxin A in Animal Tissues by High Performance Liquid Chromatography and Liquid Chromatography Tandem Mass Spectrometry
National Metrological Verification Regulations of the People's Republic of China
- JJG(教委) 024-1996 Verification Regulations for High Performance Liquid Chromatography
Shandong Provincial Standard of the People's Republic of China
- DB37/T 3755-2019 Determination of 2,4-D in Fertilizer by High Performance Liquid Chromatography
Professional Standard - Hygiene
- WS/T 98-1996 Urine - Determination of creatinine - Reversed - Phase high performance liquid chromatographic method
Professional Standard - Light Industry
- QB/T 5715-2022 Determination of itaconic acid in fermentation liquor-High performance liquid chromatography method
Jiangsu Provincial Standard of the People's Republic of China
- DBS32/ 012-2016 High-performance liquid chromatography, liquid chromatography-mass spectrometry/mass spectrometry for the detection of quinoline yellow in local food safety standards
Professional Standard - Chemical Industry
- HG/T 2414-2007 Photographic chemicals The method for the determination of the color couples Reversed phase high performance liquid chromatography
- HG/T 2414-1993 Photographic chemicals Coupler--Determination of assay --Reversed phase high performance liquid chromatography
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 3110-2019 Determination of Acrylamide in Water by High Performance Liquid Chromatography-Mass Spectrometry
- DB21/T 3287-2020 Water Quality Determination of Acrolein by High Performance Liquid Chromatography
Japanese Industrial Standards Committee (JISC)
- JIS K 0124:2002 General rules for high performance liquid chromatography
- JIS K 0124:2011 General rules for high performance liquid chromatography
- JIS K 0124:1994 General rules for high performance liquid chromatographic analysis
- JIS K 0136:2004 General rules for high performance liquid chromatography / mass spectrometry
- JIS K 0136:2015 General rules for high performance liquid chromatography / mass spectrometry
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 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
- SS-EN 16155:2012 Foodstuffs - Determination of sucralose - High performance liquid chromatographic method
- SS-EN 14152:2014 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography
Korean Agency for Technology and Standards (KATS)
- KS M 0033-1993 General rules for analytical methods in high performance liquid chromatography
- KS M 0033-2008(2023) General rules for analytical methods in high performance liquid chromatography
- KS M 0033-2023 General rules for analytical methods in high performance liquid chromatography
- KS H ISO 8432:2011 Essential oils-Analysis by high performance liquid chromatography-General method
- KS H ISO 8432:2014 Essential oils — Analysis by high performance liquid chromatography — General method
- KS I ISO 21458:2021 Water quality — Determination of glyphosate and AMPA —Method using high performance liquid chromatography(HPLC)and fluorometric detection
- KS I ISO 21458-2021 Water quality — Determination of glyphosate and AMPA —Method using high performance liquid chromatography(HPLC)and fluorometric detection
- KS H ISO 8432-2019 Essential oils — Analysis by high performance liquid chromatography — General method
- KS H ISO 8432-2014(2019) Essential oils — Analysis by high performance liquid chromatography — General method
- KS I 2000-2014 Functional evaluation of high performance liquid chromatograph
- KS H ISO 8432-2014(2024) Essential oils — Analysis by high performance liquid chromatography — General method
- KS I ISO 21458:2011 Water quality-Determination of glyphosate and AMPAMethod using high performance liquid chromatography (HPLC) and fluorometric detection
- KS I ISO 17993-2008(2013) Water quality-Determination of 15 polycyclic aromatic hydrocarbons(PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
- KS I ISO 21458-2011(2016) Water quality - Determination of glyphosate and AMPA - Method using high performance liquid chromatography(HPLC) and fluorometric detection
- KS M 0033-2025 General rules for analytical methods in high performance liquid chromatograph
Asociación Española de Normalización (AENOR)
- AENOR UNE-EN 16162:2012 Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection
- AENOR UNE-EN 15652:2010 High-performance liquid chromatography determination of niacin in food
- AENOR UNE-EN 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography
- AENOR UNE-EN 14148:2004 FOODSTUFFS. DETERMINATION OF VITAMIN K1 BY HPLC.
- AENOR UNE-EN 14164:2014 Foodstuffs - Determination of vitamin B6 by high performance chromatography
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 14122:2014 Foodstuffs — Determination of vitamin B1 by high performance liquid chromatography
- 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 16162:2012 Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection
- 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 15607:2009 Foodstuffs - Determination of d-biotin by HPLC
- DS/EN 14122/AC:2006 Foodstuffs - Determination of vitamin B1 by HPLC
- DS/EN 14164:2008 Foodstuffs - Determination of vitamin B6 by HPLC
- DANSK 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 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography
- DANSK DS/EN 14122/AC:2003 Foodstuffs - Determination of vitamin B1 by HPLC
- DS/EN 14152:2003 Foodstuffs - Determination of vitamin B2 by HPLC
- DS/EN 14122:2003 Foodstuffs - Determination of vitamin B1 by HPLC
Lithuanian Standards Office
- LST EN 16162-2012 Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection
- LST EN 15652-2009 Foodstuffs - Determination of niacin by HPLC
- LST EN 14152-2004 Foodstuffs - Determination of vitamin B2 by HPLC
- LST EN 14152-2004/AC-2005 Foodstuffs - Determination of vitamin B2 by HPLC
- LST EN 14122-2004 Foodstuffs - Determination of vitamin B1 by HPLC
- LST EN 15607-2009 Foodstuffs - Determination of d-biotin by HPLC
- LST EN 12857-2000 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
- LST EN 14122-2004/AC-2005 Foodstuffs - Determination of vitamin B1 by HPLC
- LST EN 14164-2008 Foodstuffs - Determination of vitamin B6 by HPLC
Spanish Association for Standardization (UNE)
- UNE-EN 16162:2012 Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection
- 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 14152:2015 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography
- UNE-EN 14164:2008 Foodstuffs - Determination of vitamin B6 by HPLC
- UNE-ENV 14164:2007 EX Foodstuffs - Determination of vitamin B6 by HPLC
- UNE-EN 14122:2014 Foodstuffs - Determination of vitamin B1 by high performance liquid chromatography
Association Francaise de Normalisation
- NF ISO 21458:2009 Water quality - Determination of glyphosate and AMPA - High performance liquid chromatography (HPLC) method and fluorometric detection
- NF T90-188*NF ISO 21458:2009 Water quality - Determination of glyphosate and AMPA - Method using high performance liquid chromatography (HPLC) and fluorimetric detection.
- 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 EN 12857:2001 Food products - Determination of cyclamate - High performance liquid chromatography method
- 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 V03-014*NF EN 16155:2012 Foodstuffs - Determination of sucralose - High performance liquid chromatographic method.
- NF EN 15607:2009 Food products - Determination of d-biotin by High Performance Liquid Chromatography (HPLC)
Ente Nazionale Italiano di Unificazione
- UNI EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
- UNI EN 16162:2012 Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection
- UNI EN 14152:2014 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography
- UNI EN 12857:1999 Foodstuffs - Determination of cyclamate - High performance liquid chromatographic method
International Organization for Standardization (ISO)
- ISO 8432:1987 Essential oils; Analysis by high performance liquid chromatography; General method
- ISO 8432 Essential oils - Analysis by high performance liquid chromatography - General method
- ISO 21458:2008 Water quality - Determination of glyphosate and AMPA - Method using high performance liquid chromatography (HPLC) and fluorometric detection
- ISO 11814:2002|IDF 162:2002 Evaluation of heat treatment degree of milk powder 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 15652 E:2007-05 Draft Document - Foodstuffs - Determination of niacin by HPLC; German version prEN 15652:2007
- 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 14148:2003-10 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 14152:2014-08 Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography; German version EN 14152:2014
- DIN EN 16162 E:2010-10 Draft Document - Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection; German version prEN 16162:2010
- DIN EN 14148:2003 Foodstuffs - Determination of vitamin K1 by HPLC; German version EN 14148:2003
- DIN EN 15607:2009-09 Foodstuffs - Determination of d-biotin by HPLC; German version EN 15607:2009
- DIN EN 14152:2003-10 Foodstuffs - Determination of vitamin B2 by HPLC
GCC Standardization Organization
- GSO ISO 21458:2013 Water quality -- Determination of glyphosate and AMPA -- Method using high performance liquid chromatography (HPLC) and fluorometric detection
- GSO ISO 13859:2015 Soil quality -- Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC)
- BH GSO ISO 8432:2024 Essential oils -- Analysis by high performance liquid chromatography -- General method
- GSO ISO 8432:2008 Essential oils -- Analysis by high performance liquid chromatography -- General method
The Directorate General of Specifications and Metrology (DGSM)
- OS GSO ISO 21458:2013 Water quality -- Determination of glyphosate and AMPA -- Method using high performance liquid chromatography (HPLC) and fluorometric detection
- OS GSO ISO 8432:2008 Essential oils -- Analysis by high performance liquid chromatography -- General method
British Standards Institution (BSI)
- BS EN 15905:2010 Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)
- BS ISO 8432:1987(2011) Essential Oils — Analysis by high performance liquid chromatography — General method
- BS EN 15607:2009 Foodstuffs - Determination of d-biotin by HPLC
- BS EN 15652:2009 Foodstuffs - Determination of niacin by HPLC
- BS ISO 8432:2001 Essential oils - Analysis by high performance liquid chromatography - General method
Czech Standards Institute (UNMZ)
- CSN 75 7554-1998 Water quality - Determination of selected polynuclear aromatic hydrocarbons (PAH) - HPLC (FLD) and GC (MSD) methods
Gosstandart of Russia
- GOST EN 15652-2015 Foodstuffs. Determination of niacin by high performance liquid chromatography
- GOST 34151-2017 Foodstuffs. Determination of vitamin C by high performance liquid chromatography
- GOST R EN 12857-2010 Foodstuffs. Determination of cyclamate. High performance liquid chromatographic method
- 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
Yugoslav Association for Standardization
- JUS ISO 8432:1992 Essential oils. Analysis by high performance liquid chromatography. General method
European Committee for Standardization (CEN)
- PREN 14152-2012 Foodstuffs - Determination of vitamin B2 by HPLC
- EN 16162:2012 Animal feeding stuffs - Determination of decoquinate by HPLC with fluorescence detection
- EN 16155:2012 Foodstuffs - Determination of sucralose - High performance liquid chromatographic method
High Performance Liquid Chromatography and Liquid Tandem Mass Spectrometry,HPLC and HPLC,Water Quality Determination of Polycyclic Aromatic Hydrocarbons Liquid-Liquid Extraction and Solid-Phase Extraction High Performance Liquid Chromatography,Water Quality Determination of Polycyclic Aromatic Hydrocarbons Liquid-Liquid Extraction and Solid-Phase Extraction High Performance Liquid Chromatography,Water Quality - Determination of Polycyclic Aromatic Hydrocarbons - Liquid Liquid Extraction and Solid Phase Extraction High Performance Liquid Chromatography,Water Quality Determination of Polycyclic Aromatic Hydrocarbons Liquid-Liquid Extraction and Solid-Phase Extraction High Performance Liquid Chromatography,Determination of Polycyclic Aromatic Hydrocarbons by Liquid-Liquid Extraction and Solid-Phase Extraction by High Performance Liquid Chromatography,Water Quality Determination of Polycyclic Aromatic Hydrocarbons Liquid-Liquid Extraction and Solid-Phase Extraction High Performance Liquid Chromatography