Application Notes | Knowledge base | Chromatography Direct

UCT Analysis of Synthetic Cathinones From Blood and Urine Using Clean Screen XCEL I on LC-MS/MS

UCT Simultaneous Analysis of Free Steroids and Sulfate Conjugates by Solid-Phase Extraction and LC-MS/MS

UCT Amphetamines in Blood, Plasma/Serum, Urine, or Tissue Using Clean Screen® DAU SPE and LC-MS/MS Analysis

UCT Analysis of 26 Natural and Synthetic Opioids in Blood and Urine Using Clean Screen® DAU SPE and a Selectra® DA UHPLC Column

UCT Analysis of Natural Cannabinoids and Metabolites from Blood Using Clean Screen® THC and SelectraCore® C18 Column on LC-MS/MS

UCT Analysis of Natural Cannabinoids and Metabolites from Urine Using Styre Screen® HLB and SelectraCore® C18 Column on LC-MS/MS

UCT Solid Phase Extraction of Novel Synthetic 2-Benzylbenzimidazole Opioid Compounds “Nitazenes”

UCT Analysis of Xylazine Opioids in Blood Application Note 2023

UCT Separation Of THC Metabolites Application Note 2023

UCT Analysis of Pesticide Residues, Mycotoxins and Potency in Cannabis using QuEChERS Extraction, ChloroFiltr dSPE Cleanup and LC-MS/MS

Eureka Muconic Acid and S-Phenylmercapturic Acid in urine by LC/MS (100 test)

Eureka CDT(Carbohydrate-Deficient Transferrin) Test in serum by UV/VIS – FAST MONOREAGENT

Perkin Elmer ES Industries ChromegaChiral CC4 Applications

Perkin Elmer ES Industries ChromegaChiral CCS – Diniconazole Applications

Perkin Elmer ES Industries ChromegaChiral CCO Applications

Perkin Elmer ES Industries ChromegaChiral CCX Applications

Perkin Elmer ES Industries ChromegaChiral CC2 Applications

Perkin Elmer ES Industries ChromegaChiral CCC Applications

Perkin Elmer ES Industries ChromegaChiral CCU Applications

Perkin Elmer ES Industries ChromegaChiral CC3 Applications

Perkin Elmer ES Industries ChromegaChiral CCO F4 Applications

Perkin Elmer ES Industries ChromegaChiral CCO - F2 Applications

Perkin Elmer ES Industries ChromegaChiral CCS Applications

Perkin Elmer ES Industries ChromegaChiral CCA F4 Applications

Analysis of 26 Natural and Synthetic Opioids in Blood and Urine Using Clean Screen DAU SPE and a Selectra DA UHPLC Column

Comprehensive Screen of Acidic/Neutral/Basic Drugs from Urine and Plasma using Micro-Prep HLB Extraction Plate & Analysis on LC-MS/MS

Comprehensive Screen of Acidic/Neutral/Basic Drugs from Urine and Plasma using Micro-Prep MMCX Extraction Plate & Analysis on LC-MS/MS

CD624 (CD_GC_CD624_037)

MIXTURE OF SOLVENTS AND ISOMERS OF N-HEPTANE with Modus CD624 (CD_GC_MOSAION_038)

RESIDUAL SOLVENTS IN DMSO with Modus CD624 (CD_GC_RSID_039)

REACTION PRODUCTS OF 1,1-DIETHOXY BUTANE with Modus CD624 (CD_GC_RPO11DB_040)

METHANOL AND HIGHER ALCOHOLS with Modus CD624 (CD_GC_MAHA_041)

Phenol In Resins with Modus CD624 (CD_GC_PIR_031)

Chloroform Impurities with Modus CD624 (CD_GC_CI_032)

Alcohol Impurities with Modus CD624 (CD_GC_AI_033)

Separation of Solvents with Modus CD624 (CD_GC_SOS_034)

Separation of BTEX Isomers with Modus CD624 (CD_GC_SOBI_035)

CD624 (CD_GC_CD624_036)

Alcohol Impurities with Modus CD624 (CD_GC_AI_042)

EPA 601/602 PURGEABLE HALOCARBONS MIX PLUS2-CHLOROETHYL VINYL ETHER with Modus CD624 (CD_GC_PHMPCVE_043)

Method 533 Determination of Per and Polyfluoroalkyl Substances in Drinking Water via Anion Exchange SPE and LCMS

Separation of Acetic Acid and Acetic Anhydride with Modus CD-1 (CD_GC_SOAAAAA_026)

Separation of Sterols In Olive Oil (Extra Virgin) with Modus CD-1 (CD_GC_SOSIOO_027)

Separation of Sterols in Olive Oil (Orujo) with Modus CD-1 (CD_GC_SOSIOO_028)

Extract Of Rosemary in N-Penthane with Modus CD-1 (CD_GC_EORIN_029)

Separation Of Hydrocarbons (Fast Chromatography) with Modus CD-1 (CD_GC_SOH_030)

Separation of Solvents with Modus CD-1 (CD_GC_SOS_018)

Impurities In Solvents with Modus CD-1 (CD_GC_IIS_021)

Common Industrial Solvents with Modus CD-1 (CD-GC_CIS_024)

Trimethylsilyl Derivates Of Methylglycosides from Bacteriological Polysacarides with Modus CD-1 (CD_GC_TDOMFBP_025)

Separation of Solvents with Modus CD-1 (CD_GC_SOS_017)

Separation of Solvents with Modus CD-1 (CD_GC_SOS_019)

Separation of Impurities of Butyl Acrylate with Modus CD-1 (CD_GC_SIOBA_020)

Volatile Solvents No Halogenated with Modus CD-1 (CD_GC_VSNH_023)

Separation of FAMEs with Modus CD SuperWAX-280 (CD_GC_SOF_011)

Enology Standard, Methanol and Higher Alcohols with Modus CD SuperWAX-280 (CD_GC_MAHA_013)

PUFA I with Modus CD SuperWAX-280 (CD_GC_PUFAI_014)

PUFA II with Modus CD SuperWAX-280 (CD_GC_PUFAII_015)

PUFA III with Modus CD SuperWAX-280 (CD-GC_PUFAIII_016)

Glycols In Wine with Modus CD SuperWAX-280 (CD_GC_GIW_012)

Determination of 16 Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) in Food using Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Natural and Synthetic opiates in Blood and Urine

CONFIRMATORY METHOD FOR ABUSE DRUGS IN SALIVA BY LC/MS

Optimization of Sample Preparation for Pesticide Analysis in Oil-Based Cannabis and Hemp Products with LipiFiltr

Streamlined Method for Pesticide Residues in High-Lipid Food Samples using QuEChERS Extraction, LipiFiltr© Cleanup and UHPLC-MS/MS Analysis

GLYCOLS with MODUS GC Columns

Nitriles and Amines in Water with MODUS GC Columns

Separation of BTX with MODUS GC Columns

ANALYSIS OF POLYCYCLIC AROMATIC HYDROCARBONS

Analysis of PCBs with MODUS GC Columns

EPA Method 8310 Solid Phase Extraction of Polynuclear Aromatic Hydrocarbos (PAHs) in Water

Separation of Volatile Solvents Modus GC Column

EPA Method 549.2 Determination of Diauat and Paraquat in Drinking Water by Liquid Solidd Extraction and HPLC with Ultraviolet Detection

Organichlorine Pesticides and Polychlorinated Biphenyls by Solid Phase Extraction

Simultaneous Extraction of Pestisides, Semi-Volatiles and PCB Congeners using a Universal SPE cartridge

Extraction of urinary free Normetanephrine, Metanephrine and 3 Methoxytyramine

Catecholamines & Metanephrines in high aqueous conditions

Extraction of Low Nanomolar Levels of Metanephrines from Biological Fluids

Amino Acids in Serum and Urine

Screening Method for Acidic, Neutral and Basic Drug Analytes in Oral Fluid by LC-MS/MS Using Clean Screen XCEL I

EPA Method 522: DETERMINATION OF 1,4-DIOXANE IN DRINKING WATER BY SPE AND GC/MS WITH SELECTED ION MONITORING (SIM)

Analysis of Fentanyl and Designer Fentanyl Derivaties in Urine using SPE and HPLC-MS/MS

Analysis of Pesticide Residues and Mycotoxins in Cannabis using QuEChERS Extraction, ChloroFiltr dSPE Cleanup and LC-MS/MS Detection

Analysis of Limonin in Citrice Juice Using QuEChERS and LC-MS/MS

Extraction of Synthetic and Naturally Occurring Cannabinoids in Urine Using SPE and LC-MS/MS

Simultaneous Determination of Prescription and Designer Benzodiazepines in Urine by SPE and LC-MS/MS

Analysis of Synthetic Opiates and Novel Analgesics in Urine using SPE and HPLC-MS/MS

Extraction of Bentazone and Acifluorfen from Solid Matrices

Benzodiazepine Screen for Blood, Serum, Urine and Tissue LC-MSMS

Antibiotics in Beef or Serum by QuEChERS

Anabolic Steroids in Urine for GC or GC/MS

SPE Extraction of Benzodiazepines from Urine

Clean-Screen XCEL Basic Drug Extraction Cartridge

Clean-Screen XCEL - Benzodiazepine Cartridge

EPA Method 553 - Determination Of Benzidines and Nitrogen-Containing Pesticides in Water

Amphetamines in Urine for GC/MS confirmations (using Polymeric Resins)

Clean-Screen XCEL Basic Drug Extraction Well Plate

Extraction of Anticoagulants from Urine using CEC30 96 Well Plate

Benzodiazepines in Urine for GC or GC/MS

EPA Method 522 1,4-dioxane in Drinking Water

Benzodiazepines in Whole Blood for GC or GC/MS

Barbiturates in Urine for GC/MS

Antidepressants in Blood, Serum/Plasma, Urine

Amphetamine in Oral Fluid Using an Oral Fluid Sampling Device

Anthelmintic Drug Residues in Milk Using Ultra HPLC-Tandem Mass Spec

Optimized QuEChERS Method For Acrylamide Analysis

Basic Drugs for HPLC

Benzodiazepines Screen for Blood, Serum , Urine and Tissue for GC or GC/MS

Amphetamines in Urine-Oxidation with Periodate for GC or GC/MS

Clonazepam amd 7-Aminoclonazepam in Urine for GC/MS

Benzodiazepines in Serum or Plasma for HPLC

Duloxetine in Blood and Urine

Cocaine Benzoylecgonine in Oral Fluids for GC/MS

Determination of Polycyclic Aromatic Hydrocarbons PAHs in Seafood Using GCMS

Cocaine, Benzoylecgonine, and Cocaethylene in Blood, Plasma/Serum, Urine and Tissue

Cocaine and Benzoylecgonine in Serum, Plasma, or Whole Blood for HPLC

Bisphenol A Analysis in Water by GC/MS

Paroxetine in Blood, Plasma, and Urine for LC-MSMS

Beta Blockers in Blood, Urine for GC/MS confirmations

Beta Agonists in Urine for GC/MS

QuEChERS Analysis of Bisphenol A in Canned Food

Method 523: Determination of Triazine Pesticides and their Degradates in Drinking Water by Gas Chromatography/Mass Spectrometry (GC/MS) Version 1.0

Bisphenol A Analysis in Water by LC/MS

QuEChERS-based LCMSMS Multiresidue Pesticide Analysis in Fruits and Vegetables

Multiresidue Analysis in Cereal Grains Using Modified QuEChERS

EPA Method 548 Endothall

EURL-FV Multiresidue Method Using QuEChERS for Fruits and Vegetables

Caffeine-Theophylline and Theobromine in Blood, Plasma and Urine LC-PDA

Carboxy-delta 9-THC in Urine for GC/MS

Determination of Carbendazim in Orange Juice using QuEChERS with LC/MS/MS detection

Ethylglucuronide and Ethyl Sulfate in Hair LC-MSMS

Quantitative Analysis of EtG and EtS in Urine Using Clean Screen© ETG and LC-MS/MS

Carboxy-THC In Urine For GC/MS Confirmations

EPA Method 509 Determination of Ethylene Thiourea (ETU) in Water Using Gas Chromatography with a Nitrogen-Phoshorus Detector

Fentanyl-Norfentanyl on Oral Swabs

EPA Method 8330B analysis of Nitroaromatics, Nitramines and Nitrate Ester compounds

Carisoprodol and Meprobamate in: Whole Blood, Serum/Plasma, Urine and Tissue LCMSMS

delta 9-THC (parent), delta 9-Hydroxy THC, Carboxy-delta 9-THC in Whole Blood for GC/MS confirmations

Fentanyl-Norfentanyl in Whole Blood, Serum, and Urine for LC-MSMS

Fentanyl and Analogues in Blood, Plasma, Urine and Tissue for GC/MS

Flunitrazepam and Metabolites in Urine for GC or GC/MS

Analysis of Flukicides/ Anthelmintics in Animal Tissue Using QuEChERS and LC/MS/MS

QuEChERS Pesticide Analysis for Fresh Produce

Extraction of Pesticides from Tomato Using the QuEChERS Approach

Pesticide Extraction of Grass and Other Leafy Vegetation by QuEChERS Using ChloroFiltr© Clean-Up

Pesticides in Red Wine by QuEChERS Extraction and Quick QuEChERS Cleanup

Gabapentin in Blood, Plasma/Serum for GC or GC/MS

Pesticides in Strawberries by QuEChERS Extraction and Quick QuEChERS Cleanup

QuEChERS Sample Prep For Analysis Of Pesticide In Olives

EPA Method 508

SPE method for Gamma-Hydroxybutyrate (GHB) in Blood, Urine, Vitreous or Tissue without conversion to Gamma-Butrylactone (GBL)

Extraction of Pesticides in Fatty Matrices

Gabapentin Whole Blood and Serum/Plasma for LC-MSMS

QuEChERS Multiresidue Pesticide Method for The Determination of Multiple Pesticides in Wines

Clean-Up of Organochlorine Pesticides and PCB Extracts Using Florisil©

SPE method for Gamma-Hydroxybutyrate (GHB) in Urine without conversion to Gamma-Butrylactone (GBL)

EPA Method 608 ATP

Florisil Clean-Up of Organochlorine Pesticides and PCBs extracts

Phencyclidine in Urine for GC/MS confirmations

Sample Preparation of Glyphosate and Glufosinate

Glycopyrrolate from Equine Urine by LC-MSMS using 500mg Clean-Up

Blood GHB Extraction

Phencyclidine in Blood, Plasma Urine and Tissue for GC and GC/MS

Determination of Haloacetic Acids and Dalapon in Drinking Water

Recovery of various Herbicides in Water using Universal C18 SPE cartridges

Phenoxyacetic Acid Herbicides From Soil By LC-MS/MS

Ketamine in Blood, Plasma/Serum and Urine for GC or GC/MS confirmations

Fractionation of Aliphatic and Aromatic Hydrocarbons Using Enviro-Clean© PH Silica

Phencyclidine in Whole Blood, Serum and Urine for LC

Psilocin in Urine for GC or GC/MS

Proproxyphene and Norpropoxyphene in Blood Plasma Tissue and Urine LC-MSMS

Propoxyphene in Blood, Plasma, Urine and Tissue for GC or GC/MS

EPA Method 532 - Determination Of Phenylurea Compounds In Drinking Water

Pyrethrin and Pyrethroid Pesticides from Fish Using the QuEChERS

Psilocin in Blood, Urine, Plasma using Styre Screen 200mg

Free and Conjugated Psilocin in Urine by LC-MS/MS

Sympathomimetic Amines in Blood, Plasma Urine and Tissue for GC or GC/MS

Removal of Sulfur from Environmental Samples Using Copper Beads

Synthetic Cannabinoids "Spice" Drugs LC-MS/MS and GC-MS using Clean Screen© THC Urine

EPA Method 525.3 Semivolatile Organic Compounds In Drinking Water

Clean-Screen XCEL - SPE Extraction of THC-Delta-9-Carboxy Metabolite from Urine

THC from Oral Fluids for GC/MS analysis using 200 Mg Clean Screen© DAU

Lysergic Acid Diethylamide (LSD) in Urine for GC or GC/MS

Extraction of THC-COOH in Hair LC-MSMS

delta 9-THC (parent), delta 9-hydroxy THC, carboxy-delta 9-THC in Whole Blood for GC/MS

Lysergic Acid Diethylamide (LSD) in Blood and Plasma-Serum for GC or GC/MS confirmations

LSD and Metabolites in Blood, Plasma/Serum, and Urine using 200 Mg Clean Screen© DAU

THC, Hydroxy-THC, and THC-COOH in Whole Blood

Extraction of Chlorophenoxy Acid Herbicides from Aqueous Matrix

EPA Method 523 Determination of Triazine Pesticides and their Degradates in Drinking Water by GCMS

EPA Method 535

Method 523: Determination of Triazine Pesticides and their Degradates in Drinking Water by Gas Chromatography/Mass Spectrometry (GC/MS)

Melamine in food materials using EUBCX22Z

Vitamin D and Metabolites confirmations using: 200 Mg Clean Screen© Vitamin D Extraction Column

Antidepressants - Painkillers in Blood and Urine

Tricyclic Antidepressants in Serum and Plasma for HPLC

Clozapine and Metabolites in Whole Blood, Serum/Plasma and Urine

Clonazepam Flunitrazepam and Metabolites in Blood, Plasma, and Urine for LC-MSMS

Warfarin in Whole Blood - Manual method for GC/MS or LC

Cocaine and Benzoylecgonine in Blood, Plama, Urine and Tissue for GC or GC/MS

Methadone-EDDP Whole Blood Plasma Tissue and Urine

Cocaine and Metabolites from Meconium for GC or GC/MS analysis

Methadone in Urine for GC or GC/MS confirmations

Melamine in Food Materials using ZSDAU020

Cyanuric Acid and Melamine in Food Materials using SPE

Methaqualone in Blood, Plasma, and Urine for GC or GC/MS

EPA Method 552 Haloacetic Acids and Dalapon in Drinking Water

Cyromazine in Poultry Feed Using a QuEChERS Approach

Tacrolimus Cyclosporin and Rapamycin in Whole Blood

QuEChERS Analysis of Miticides and Other Agrochemicals in Honey Bees

Methylmalonic Acid from Serum or Plasma for GC/MS analysis using: 500 mg CLEAN-UP© QAX

Dextromethophan and Phencyclidine in Whole Blood Urine LC-MSMS

Sertraline and Desmethylsertraline in Blood, Plasma for HPLC

6-Acetylmorphine (6MAM) in Urine/Vitreous Humor for GC/MS

DHEA, Testosterone, and Epitestosterone in Urine for GC or GC/MS

EPA Method 549 Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection*

EPA Method 8015D Determination of Diesel Rangs Organics (DRos) Using SPE and GC-FID

EPA Method 521 ENVIRO-CLEAN© Carbon Cartridges

Nicotine and Cotinine in Urine or Serum for GC or GC/MS

Trichothecene Type A & B Analysis in Wheat and Corn Using the QuEChERS Approach

Olanzapine in Whole Blood using 300 Mg Clean-Up© extraction column

Extraction of Tear Gas from Cloth for GC/MS Analysis

Meperidine and Normeperidine in Blood, Plasma, and Urine using LCMS

Amphetamines, Opiates and Phencyclidine in Oral Fluid for GC/MS

Opiates in Urine-Oxime TMS Procedure for GC or GC/MS confirmations

Opiates in Urine for GC/MS confirmations using 30 mg STYRE SCREEN© DBX

Buprenorphine and Norbuprenorphine in Blood, Urine for GC/MS

Buprenorphine and Norbuprenorphine in Blood, Plasma/Serum, and Urine for LC-MSMS

Free (Unbound) Opiates in Blood, Plasma/Serum, Tissue for GC or GC/MS confirmations

EPA Method 8323 - SPE and Determination of Organotin Micro-LC Electrospray Ion Trap MS

Polynuclear Aromatic Hydrocarbons (PAH) from Water Matrix

Barbiturates in Blood, Plasma/Serum, Urine, and Tissue for GC or GC/MS

Extraction of Polycyclic Aromatic Hydrocarbons from Fish Using the QuEChERS Approach

Simultaneous Determination of 2- and 4-methylimidazoles in Beverages using a Simple Filter and Shoot (FASt) Method

EPA Method 528 Determination of Phenols in Drinking Water

Determination of Chlorophenoxyacetic Acid and Other Acidic Herbicides Using a QuEChERS Sample Preparation Approach and LC-MS/MS Analysis

Extraction of Bentazone and Acifuorfen from Solid Matrices using C18

Determination of Malachite Green Crystal Violet and Other Synthetic Dyes in Seafood with LC-MS/MS Detection

Determination of Norfentanyl-Fentanyl in Urine Samples Using Solid Phase Extraction and GC-MS

Determination of Carboxy-THC in Urine Samples using Solid Phase Extraction and GC-MS

Determination Of Carbonyl Compounds In Water By Dinitrophenylhydrazine Derivatization and HPLC/UV

Determination of Pesticides in Bananas by QuEChERS and LC-MS/MS

Determination of Gabapentin in Whole Blood Samples Using Solid Phase Extraction and LC-MS/MS

Determination of Gamma Hydroxybutyrate (GHB) in Hair Samples Using Solid Phase Extraction and LC-MS/MS

Determination of Diquat and Paraquat in Drinking Water by Solid Phase Extraction and LC-MS/MS Detection

Determination of Gabapentin in Urine Samples Using Solid Phase Extraction and LC-MS/MS

Analysis of 136 pesticides in avocado using a modified QuEChERS method with LC-MS/MS and GC-MS/MS*

Determination of Benzodiazepines in Hair Samples Using Solid Phase Extraction and LC-MS/MS

Determination of THC in Marijuana Samples Using Solid Phase Extraction and LC-MS/MS

Solid-Phase Extraction of Pesticides in Water using Graphitized Carbon Black (GCB)

Multi-residue Pesticide Analysis of Botanical Dietary Supplements using SPE Cleanup and GC-Triple Quadrupole MS/MS*

Solid Phase Extraction of EPA 8270 Compounds in Water

Pesticide Residue Analysis in Whole Milk by QuEChERS and LC-MS/MS

Solid Phase Extraction of EPA 8270 Compounds in Water

Determination of Ephedra Alkaloids & Synephrine by Strong Cation-Exchange SPE and LC-MS/MS Detection Using a Pentafluorophenylpropyl HPLC Column

Determination of Tetracycline Antibiotics in Milk Using a Simple Strong Cation-Exchange SPE Cleanup Procedure and LC-MS/MS Analysis

Determination of Bisphenol A in Beverages by QuEChERS and LC-MS/MS

Determination of Amphetamines in Urine Samples Using Solid Phase Extraction and LC-MS/MS

Using a QuEChERS Approach for the Determination of Pesticide Residues in Soil

A Novel, Versatile Polymeric Sorbent for Solid Phase Extraction of Various Organic Compounds in Water

Extraction and Analysis of Nicotine, Cotinine and Anabasine from Urine using SPE and GC-MS

CARISOPRODOL AND MEPROBAMATE IN EQUINE URINE FOR GC/MS CONFIRMATIONS

BUPRENORPHINE AND NORBUPRENORPHINE IN EQUINE URINE FOR GC/MS CONFIRMATIONS

THC, THC-OH, AND CARBOXY-THC IN EQUINE URINE FOR GC/MS CONFIRMATIONS

BARBITURATES IN EQUINE URINE FOR GC/MS CONFIRMATIONS

Determination of Small Polar Organic Compounds in Drinking Water by Solid Phase Extraction with Activated Carbon Sorbent

Determination of Mycotoxin Residues by LC-MS/MS Featuring Two Alternate Sample Extraction Procedures

Determination of Pesticide Residues in Tea: An AOAC Collaborative Study

FREE OPIATES AND GLUCURONIDES IN URINE EXTRACTED BY CLEAN SCREEN© DAU AND ANALYZED BY LC-MS/MS

Quantitative Analysis of Anabolic Steroids in Urine using Mixed-Mode SPE and LC-MS/MS

Quantitative Analysis of Benzodiazepines in Whole Blood by QuEChERS and LC-MS/MS

The Application of QuEChERS in the Extraction of Anabolic Steroids in Whole Blood

LC-MS/MS Method for Identification and Quantification of Psychedelic Phenethylamine ?2C? Series on a SELECTRA© DA HPLC Column

Determination of 11-nor-9-Carboxy-THC in Human Urine by QuEChERS and LC-MS/MS

SCREENING METHOD FOR 121 ACIDIC, NEUTRAL AND BASIC DRUG ANALYTES IN PLASMA, SERUM, URINE, OR TISSUE BY LC-MS/MS

Quantitative Analysis of EtG and EtS in Urine Using Ion Exchange SPE and LC-MS/MS

Determination of the 11 Fourth Unregulated Contaminant Monitoring Rule (UCMR4) Compounds by EPA Method 525.3

Determination of Pesticides in Coffee with QuEChERS Extraction and Silica Gel SPE Cleanup

EPA Method 625: Determination of Bases, Neutrals and Acids by Solid Phase Extraction and GC/MS Detection

Determination of Organophosphate Pesticides in Urine Using a ?Filter And Shoot? (FASt©) Extraction and LC-MS/MS

Extraction of Z-Drug/Metabolite Panel From Urine Using Clean Screen XCEL© I SPE and LC-MS/MS

A Modified QuEChERS Method for the Determination of Organochlorine Pesticides in Serum

Analysis of Neonicotinoids in Honey by QuEChERS and UHPLC-MS/MS

Simultaneous Determination of a Panel of 22 Steroids in Urine and Serum by SPE and LC-MS/MS

Quantitative Analysis of EtG and EtS in Urine Using FASt© ETG and LC-MS/MS

EPA Method 538: Determination of Selected Organic Contaminants in Drinking Water by Aqueous Direct Injection and LC/MS/MS

Determination of Anabolic Steroids in Horse Urine by SPE and LC-MS/MS

Simultaneous Quantitative Analysis of Total Catecholamines and Metanephrines in Urine Using 500 MG CLEAN UP© CCX2 and LC-MS/MS

EPA Method 545: Determination of Cylindrospermopsin and Anatoxin-a in Drinking Water by Aqueous Direct Injection and LC/MS/MS

Detection of Aflatoxins in Milk at Picogram Levels Using SPE and LC-MS/MS

Determination of Selected Perfluorinated Alkyl Acids in Drinking Water by Solid-Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

EPA Method 8141B Determination of Organophosphorus Pesticides and Triazine Herbicides in Water by Solid Phase Extraction

Determination of Polycyclic Aromatic Hydrocarbons in Drinking Water by Liquid-Solid Extraction and HPLC with Coupled Ultraviolet and Fluorescence Detection*

Determination of Phthalate and Adipate Esters in Drinking Water by Liquid-Solid Extraction and Gas Chromatography with Photoionization Detection

Determination of Phthalate and Adipate Esters in Drinking Water by Liquid-Solid Extraction and Gas Chromatography with Photoionization Detection

A Determination of Veterinary Drug Residues in Milk Using Polymeric SPE and UHPLC-MS/MS Analysis

LC-MS/MS Method for 89 Banned or Controlled Drugs in the Horse Racing Industry

Thyroid Hormones in Serum and Plasma Using SPE Extraction and UHPLC-MS/MS Analysis

Extraction of Synthetic and Naturally Occurring Cannabinoids in Urine Using SPE and LC-MS/MS

EPA Method 8321B: Determination of Phenoxyacid Herbicides in Water by Solid Phase Extraction and LC-MS/MS Detection

Simultaneous Determination of Prescription and Designer Benzodiazepines in Urine by SPE and LC-MS/MS

Determination of 35 Pesticides and 3 Cannabinoids in Marijuana Edibles

Determination of Pesticide Residues in Blueberries by AOAC QuEChERS Approach and Dispersive SPE Cleanup with a Novel Sorbent ChloroFiltr©

Scaled Down EPA Methods 8270 and 625

Determination of 78 Banned or Controlled Racing Industry Drugs in Horse Urine Using SPE and LC-MS/MS

Potency and Pesticide Content in Medical vs. Recreational Marijuana

Determination of Patulin in Apple Juice Using SPE and UHPLC-MS/MS Analysis

Comparison of SPE vs. SLE for the Quantitative Analysis of Anabolic Steroids in Serum Using LC-MS/MS

EPA Method 530: Determination of Selected Semivolatile Organic Chemicals in Drinking Water by SPE and GC/MS

Determination of Patulin in Processed Foods Using QuEChERS Extraction and UHPLC-MS/MS Analysis

EPA Method 525.2 Revision 2.0 Determination of Organic Compounds in Drinking Water by Liquid-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry

EPA Method 1664B N-Hexane Extractable Material (HEM) (Oil & Grease) by Solid-Phase Extraction & Gravimetry

EPA Method 525 Determination of Organic Compounds in Drinking Water

Bath Salts in Urine for LC-MS/MS confirmations

SEPARATION OF ORGANOCHLORINATED PESTICIDES (CD_GC_SOO_008)

Separation of Aldehydes (CD_GC_SOA_009)

Improved Hydrocarbon Fractionation Using a Novel Silver Phase SPE Sorbent

Determination of Patulin in Processed Foods Using QuEChERS Extraction and UHPLC-MS/MS Analysis

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