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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.
Mass Spectral Column Bleed in Nitrogen-Containing Polar-Embedded HPLC Stationary Phases
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 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
Chiral Method Development Strategies for HPLC
Chiral Method Development Strategies for HPLC
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
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
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.
HPLC Analysis of Vitamin D2 and D3
Ascentis Express C18 is suitable for routine analysis of fat-soluble vitamins D2 and D3, providing optimized chromatograms.
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