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Showing 1-30 of 90 results
HPLC Analysis of Fumaric, Oxalic, and Citric Acid on SeQuant ZIC-HILIC
Separation of Fumaric acid; Oxalic acid; Citric acid
HPLC Analysis of Carotene Compounds on Ascentis® RP-Amide
HPLC Analysis of Carotene Compounds on Ascentis® RP-Amide
HPLC Analysis of EDTA on SeQuant ZIC-HILIC
Separation of EDTA
HPLC Analysis of Fatty Acid Methyl Esters (FAMES) on SUPELCOSIL LC-18
Separation of Methyl decanoate; Methyl dodecanoate; Methyl myristate; Methyl palmitate; Methyl caprylate; Methyl oleate; Methyl linoleate; Methyl linolenate; Methyl stearate
Fast and Accurate LC-MS Analysis of Vitamin D Metabolites Using Ascentis® Express F5 HPLC Columns
Fast and Accurate LC-MS Analysis of Vitamin D Metabolites, Using Ascentis® Express F5 HPLC Columns from Supelco®
HPLC Analysis of Lactic Acid Enantiomers on Astec CLC-L, Trace Level Detection
Separation of DL-Lactic acid, ~90% (T)
HPLC Analysis of Dehydroascorbic Acid and Ascorbic Acid (Vitamin C) on SeQuant ZIC-HILIC
HPLC Analysis of Dehydroascorbic Acid and Ascorbic Acid (Vitamin C) on SeQuant ZIC-HILIC
LC/MS (TOF) Analysis of Drugs and Their Glucuronide Metabolites in Urine on Titan™ C18 After Solid Phase Extraction (SPE) Using Supel™-Select SCX, β-Glucuronidase Enzyme Digestion
-THC solution, 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material
LC/MS Analysis of Opioid Glucuronide Metabolites in Urine on Ascentis® Express F5 after Solid Phase Extraction (SPE) using Supel™-Select HLB
LC/MS Analysis of Opioid Glucuronide Metabolites in Urine on Ascentis® Express F5 after Solid Phase Extraction (SPE) using Supel™-Select HLB
AOAC Method 2011.11: UHPLC/MS/MS Analysis of Vitamin D2 and Vitamin D3 on Titan™ C18
Separation of Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard
LC/MS/MS Analysis of Aflatoxins in Cannabis on Ascentis® Express 2.7µm Phenyl-Hexyl after Cleanup Using Supel™ Tox AflaZea SPE
solution, 2 μg/mL in acetonitrile, analytical standard
Chiral LC-MS/MS of D- and L-2-Hydroxyglutaric Acid Biomarkers
We describe here a rapid and sensitive method to separate and measure D-2-OHG and L-2-OHG enantiomers using high-resolution mass spectrometry (HRMS) detection.
HPLC Analysis of Xylose, Fructose, Glucose and Saccharose on Chromolith® NH2 100 - 4.6mm
Separation of Xylose; Fructose; Glucose; Saccharose
Metabolites – A Serious Challenge for LC/MS Separations and Usual Detection Techniques
We offer the tools for the analysis of the metabolites; including certified reference standards, enzymes, substrates, and chromatographic products.
HPLC Analysis of Flavonoids on Ascentis® RP-Amide
Protocol for HPLC Analysis of Flavonoids on Ascentis® RP-Amide
Veterinary Drug Residues
The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.
Fast LC-MS-MS Analysis of 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3
We presents a robust method for analyzing 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in serum using a multiplexed LC-MS-MS system.
Selective Extraction and Cleanup of Patulin Mycotoxin from Apple Juice Samples
This selective and fast MIP extraction procedure allows trace amounts of patulin to be easily detected in apple juice, with high analyte recovery and reproducibility.
US EPA Method 632: HPLC Analysis of Pesticides on Ascentis® C18
-methylcarbamate 10 μg/mL; Diuron; Propham; Siduron; Methiocarb, analytical standard; Linuron 10 μg/mL; Swep 10 μg/mL; Chlorpropham 10 μg/mL; Barban; Neburon
Accurate Biological Testing for Amphetamine and Methamphetamine Abuse Using Chiral HPLC and MS Detection
Optimized sample prep and chiral chromatography methods for the LC/MS analysis of these drug enantiomers in urine
EPA Method 547: HPLC Analysis of Glyphosate and Glyphosate Degradation Product (Aminomethyl)phosphonic Acid (AMPA)
EPA Method 547 outlines the analysis of glyphosate in drinking water by direct aqueous injection HPLC, post column derivatization, and fluorescence detection
Analytical Standards of Boswellic Acids and Their Separation
We offer six boswellic acids as analytical standards and two neat standards of α+β mixtures for use in research and quality control.
Analysis of Active Cannabis Compounds (Cannabinoids) in Edible Food Products: Gummy Bears and Brownies
Rapid potency testing of marijuana-infused edibles using LC/MS on a biphenyl stationary phase detected eleven cannabinoids.
LC/MS/MS Analysis of Interacting Cardiac Drugs Digoxin, Quinidine, Amiodarone and Verapamil on Titan™ C18
LC/MS/MS Analysis of Interacting Cardiac Drugs Digoxin, Quinidine, Amiodarone and Verapamil on Titan™ C18
Rapid, Sensitive, and Quantitative LC/MS/MS Determination of Digitoxin and Digoxin in Plasma
Immunoassay-based methods for digitoxin or digoxin exist, but are time consuming, labor intensive, and not selective due to similarities in their chemical structures.
Determination of Hydrocortisone from Topical Cream Using Discovery DSC-Si SPE and Reversed-Phase HPLC-UV
Using the method described in this report, an average absolute recovery and RSD value of 99.86 ± 6.99% (n=6) was observed, to determine an average of 1.02% hydrocortisone in topical cream.
LC/MS/MS Analysis of Steroid Hormones in Plasma
The conversion of clinical methods to LC/MS/MS offers advantages; however, is accompanied by a few limitations, notably interference effects from the endogenous sample matrix.
Chiral and Achiral LC-MS Analysis of Warfarin™ in Plasma Samples
This study demonstrates the analysis of Warfarin in plasma samples utilizing chiral and achiral (reversed-phase) LC-MS and effective sample prep to remove endogenous phospholipids
HPLC Analysis of Fuel Ethanol Fermentation
Increasing corn-to-ethanol conversion and production yield drive discussions on fuel ethanol's economic and environmental viability in biofuel.
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