Gas chromatography

Filtres appliqués

facet applications:Gas chromatography

facet content type:Technical Article

Afficher 1-30 of 44 résultats

GC Analysis of Neroli Essential Oil on SLB®-5ms

Our GC solvents have been specially developed and tested for ECD, FID and MS detection or for headspace gas chromatography to ensure accurate, reliable and reproducible analytical results.

Separation of Alcohols and Esters in Spirits using Serially Connected GC Columns

Measuring Flows For Gas Chromatography Volumetric vs. Mass

Principal Component Analysis (PCA) Evaluation of Seven Commercial Ionic Liquid Capillary GC Columns

In order to cover a broad range of possible solute-stationary phase interactions, 95 solutes with varied functional groups were selected to perform stationary phase characterization.

The Best Approaches to Gas Purification

GC Injection Port Septa: Use, Maintenance, Storage and Handling

Proper handling and preventative maintenance instructions for injection port septa; tips to improve the performance of gas chromatography instruments.

Hopane Reference Standards for use as Petrochemical Biomarkers in Oil Field Remediation and Spill Analysis

We provide high-quality, relevant hopane reference standards to be used as biomarkers for petrochemical oil field remediation and spill analysis.

Resolves Difficult Sample Matrix Problems

In the flavor and fragrance industry, analytical chemists are often required to isolate key ingredients, off-flavor components, or trace organic compounds from their sample matrices without altering their structure or composition.

SPME Fiber Performance Tips for Volatiles & Semi-Volatiles

Enhance the extraction capability of Supelco SPME fibers for the collection of volatiles, semi-volatiles and polar compounds. spme

Solid Phase Microextraction: Frequently Asked Questions

Answers and tips relating to the application of the solid phase micro-extraction technique.

Validation of a Simple Method for the Alcohol Content in Kombucha Tea by Headspace SPME and GC-MS

Development and validation of a headspace SPME and GC-MS method to determine alcohol content in twenty different Kombucha tea samples.

Gas Chromatography (GC) Column Selection Guide

Learn to select the proper capillary column based on stationary phase, column I.D., film thickness, and column length.

The Use of Derivatization Reagents for Gas Chromatography (GC)

Derivatization is a technique that usually involves a reaction of the analyte(s) of interest with a particular derivatization reagent.

Analysis of Pesticides in Baby Food by Solid Phase Microextraction (SPME) Using a New Overcoated Fiber

A direct immersion SPME method using a new overcoated SPME fiber was developed for the extraction of pesticides from pureed prune baby food.

Multiclass Pesticide Analysis of Soy Milk Using a Matrix-Compatible SPME Fiber

Pesticide analysis, SPME Fiber, supelco spme fiber, direct immersion spme, pesticide analysis methods, pesticide analysis by gc-ms, DI-SPME, overcoated SPME, overcoated fibers, soy milk analysis

A New Thermal Desorption Tube for Air Sampling of Cannabis Terpenes

Discover our new Carbotrap® T420 tube, designed for precise terpene air sampling in the cannabis and hemp industry. Monitor terpenes in cultivation environments, even in high humidity, with reproducible sample recovery. Elevate your analysis with the latest in terpene sampling

Effect of Container Materials on Milk Off-Flavors

HS-SPME with Carboxen®/PDMS coated Nitinol fiber allows low MW analyte detection in light-exposed milk plastics.

Analysis of Fats in Food & Beverages

This article explores the analysis of fats in food and beverage products. From derivatization of fatty acids to FAMEs, to analysis of FAME isomers, and more we are your one-stop shop for all of your food and beverage analysis needs.

New cis/trans FAME Standard for GC Optimization

AOCS and AOAC methods for trans fatty acid composition require highly polar cyanosilicone capillary columns.

Proline Derivatization and Enantioresolution by Chiral GC

Chromatographic enantiomeric separation of amino acids, like proline, is described for chiral GC analysis after derivatization.

Choosing a Capillary GC Column

Optimize gas chromatography separations with suitable columns, considering stationary phase, internal diameter, film thickness, and column length.

GC/MS/MS Analysis of BPA in Energy Drink

Study demonstrates SPME of BPA from an energy drink using an overcoated PDMS/DVB fiber, followed by GC/MS/MS analysis.

N-Nitrosamines Determination in Valsartan

GC-MS method detects nitrosamines in Valsartan tablets, meeting US FDA guidelines for pharmaceutical quality control.

Analysis of California Cannabis List of Pesticides, Mycotoxins, and Pyrethrins Using Ascentis® Express Biphenyl Column

Cannabis testing regulations include analysis of purity, potency, and contaminants. Learn more about analysis of cannabis for pesticides, mycotoxins, and pyrethrins registered in California by LC-MS/MS and GC-MS/MS Using Ascentis® Express Biphenyl and SLB®-5ms Columns

SPME in the Analysis of Illicit Drugs

SPME is used in the analysis of amphetamine compounds by doing pre-extraction derivatization, and is also used in general determinations of other drugs of abuse.

Selecting the Appropriate SPME Fiber Coating –Effect of Analyte Molecular Weight and Polarity

Analysis of Tetrahydrocannabinol (THC) and Carboxytetrahydrocannabinol (THCCOOH) in Surface Waters by SPME and GC/MS

Resolving by Mass

Exactly Why is Low Bleed Important for Capillary Columns?

Page 1 sur 2