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Small molecule HPLC

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facet applications:Small molecule HPLC

facet content type:Protocol

Showing 1-30 of 84 results

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

EPA Method TO-11/IP-6A and ASTM^® D5197: HPLC Analysis of Aldehydes and Ketones on SUPELCOSI^™ LC-18 after Collection/Desorption using LpDNPH

-Tolualdehyde; Valeraldehyde; Isovaleraldehyde

LC/MS Analysis of L-Methionine Sulfoximine, Sulfone and Sulfoxide on Ascentis® Express HILIC

Separation of L-Methionine sulfone; L-Methionine sulfoximine; L-Methionine sulfoxide

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

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.

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®

Mass Spectral Column Bleed in Nitrogen-Containing Polar-Embedded HPLC Stationary Phases

HPLC Analysis of Vitamins B1 B6 B12

HPLC Analysis of Vitamins B1, B6 and B12 using Ascentis® Express RP-Amide

HPLC Analysis of GMP, GDP and GTP on SeQuant ZIC-HILIC

HPLC Analysis of Flavonoids on Ascentis® RP-Amide

Protocol for HPLC Analysis of Flavonoids on Ascentis® RP-Amide

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

LC/MS Analysis of Sorbitol and Mannitol on SeQuant® ZIC-HILIC

Separation of Sorbitol; Mannitol

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

HPLC Analysis of Warfarin Anticoagulant on Ascentis C18

HPLC Analysis of Warfarin™ Anticoagulant on Ascentis® C18

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.

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 Nucleotides on SeQuant ZIC-cHILIC

HILIC separation is an alternative that permits sensitive MS detection and without the use of ion-pair reagents.

Acrylamide in Food

Acrylamide analysis has been a very hot topic since the chemical was identified in food in 2002 by researchers at the Swedish National Food Administration.

LC/MS Analysis of Opioid Glucuronide Metabolites in Urine on Ascentis® Express F5 after Solid Phase Extraction (SPE) using Supel™-Select HLB

HPLC Analysis of Water-Soluble Vitamins Using Titan C18 Column

The B vitamins are very hydrophilic, consequently a gradient with a low concentration of methanol and acidic mobile phase was used for elution under reversed-phase conditions.

LC/MS Analysis of Nucleotides SeQuant^® ZIC^®-cHILIC – Effect of pH

ZIC®-cHILIC is a densely bonded zwitterionic stationary phase with phosphorylcholine functional groups covalently attached to silica.

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.

LC/MS/MS Analysis of Interacting Cardiac Drugs Digoxin, Quinidine, Amiodarone and Verapamil on Titan™ C18

HPLC Analysis of Insulin Variants and Analogs

Chromatographic technique identifies insulin variants efficiently, aiding in pharmacokinetics.

Chloroquine Phosphate HPLC Assay & Impurity Profiling

Chloroquine Phosphate HPLC Assay meets system suitability criteria with good resolution, reproducibility, and sensitivity.

Analysis of Polar Compounds with Ion Pair Reagents

Reversed-phase HPLC sometimes requires ion pairing for adequate retention of polar compounds due to hydrophobic interactions.

LC/MS Analysis of Phospholipids in Milk on Asc

(soybean), ≥97%; L-α-Phosphatidylethanolamine from egg yolk, Type III, ≥97% (TLC), lyophilized powder; L-α-Phosphatidylcholine, from egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder; Sphingomyelin, from chicken egg yolk, ≥95%

HPLC Analysis of Drugs on Ascentis^® Express HILIC

Analytical standards for drug analysis including heroin, cocaine, amphetamine, and methylenedioxymethamphetamine.

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.

UHPLC/MS for Drug Detection in Urine

Optimize β-glucuronidase hydrolysis for glucuronide metabolite analysis considering factors like time, temperature, pH, and enzyme concentration.

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