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GC Analysis of Aldehydes (PFBOA Derivatives) in Beer on SLB®-5ms after SPME using a 65 µm PDMS/DVB Fiber

Separation of null

HPLC Analysis of Xylene Isomers on Discovery® Zr-Carbon

Xylene

HPLC Analysis of PAHs on SUPELCOSIL™ LC-PAH

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.

radiello® Diffusive Air Sampler Calibration Solutions and Kits

Learn more about radiello air sampler calibration solutions for aldehydes and H2s. We also offer many air sampler calibration kits.

HPLC Analysis of Fumaric, Oxalic, and Citric Acid on SeQuant ZIC-HILIC

Separation of Fumaric acid; Oxalic acid; Citric acid

GC Analysis of Volatiles in Milk on Supel-Q™ PLOT after SPME using a 75 µm PDMS/Carboxen Fiber

Separation of 4-Methyl-2-pentanone; Dimethyl disulfide; Hexanal; 3-Methylpentane; Acetone

Chloroquine Phosphate HPLC Assay and Impurity Profiling Methods Following the USP Monograph

Under applied conditions, system suitability criteria are met, and the Chloroquine Phosphate HPLC Assay and Impurity Profiling Methods demonstrate good resolution/selectivity, reproducibility, and sensitivity.

Polar Compound Retention using Aqueous Normal-Phase (ANP/HILIC) Chromatography

HPLC Analysis of Superoxide Dismutase on Discovery® BIO PolyMA-WAX

Separation of Superoxide dismutase

Solid Phase Extraction: Normal Phase Methodology

Retention occurs through polar interaction between the sorbent and analytes. Typical sample matrices that can be employed in normal-phase SPE include hydrocarbon or fatty oils diluted in a solvent like hexane, isooctane, chlorinated solvent, THF, diethyl ether, or ethyl acetate.

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®

LC/MS Analysis of Glyphosate and Metabolites on apHera™ NH2, 2 mm I.D. Column

HPLC Analysis of Furans on Ascentis® Express C18

Rat Dermal Fibroblasts (RDF) Culture Protocol

Store the cryovials in a liquid nitrogen storage tank immediately upon arrival.

Transferpette® Testing Instructions (SOP)

This article provides testing instructions for the piston-operated pipette BRAND Transferpette® according to the standard DIN EN ISO 8655.

HPLC Analysis of Barbiturates in Serum on Discovery® C18 after SPE using Discovery® DSC-18Lt

LC/MS/MS Analysis of Drugs in Plasma on Ascentis® Express C18 after Extraction using SPME LC Tips

UHPLC Analysis Cannabinoids Ascentis Express

As the popularity of cannabis-infused products increases, there is a growing need to characterize the type and content of the cannabinoids found in the product. This application demonstrates the ability of the Ascentis Express C18 column to baseline resolve

Working with BRAND® Liquid Handling Instruments

This page covers all essential information regarding working with liquid handling instruments, including dispensers, burettes, and pipettes.

GC Analysis of Sterols (Silylated Derivatives) in Olive Oil (Free Sterol Fraction) on SLB®-5ms after SPE using Discovery DSC-Si

Separation of Cholesterol; Brassicasterol; Campesterol; Stigmasterol; β-Sitosterol

PD-Tip Installation with the HandyStep® Electronic

This video shows how-to insert and remove tips from the HandyStep® electronic repeating pipette.

LC/MS/MS Analysis of Estradiol (Underivatized) from Patient Serum on Titan™ C18, 5 cm Column

Separation of null

Determination of Water Content in Sodium methylate Using Karl Fischer Titration

Summary application report for analysis of moisture in Sodium methylate

Chiral Method Development Strategies for HPLC

HPLC Analysis of Vitamin D2 and D3 on Ascentis® Express C18

This application demonstrates the suitability of the Ascentis Express C18, 5 μm, for the routine analysis of the fat-soluble vitamins D2 and D3 . Structures along with the optimized chromatogram obtained on the Ascentis Express C18, 5 μm are presented.

Determination of Water Content in Polyethylene glycol 400 Using Karl Fischer Titration

Summary application report for analysis of moisture in Polyethylene glycol 400

Easy Calibration Techniques for BRAND® Liquid Handling Instruments

This article describes easy calibration techniques for mechanical and electronic liquid handling instruments from BRAND®.

Replacing V-Rings & O-Rings on Transferpette® Multichannel Pipettes

This article and video demonstrate how to change the V-Rings and O-Rings on the tip cones of any Transferpette® Multichannel Pipette.

User Guide Filterjet™ Solvent Dispenser

This article provides white paper on User Guide Filterjet™ Solvent Dispenser

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