Gas chromatography

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Petroleum Hydrocarbon Standards for SIMDIS Analyses

Understanding the boiling point range distribution of petrochemical products is critical for selection of the proper method to process feed stocks, for process control, for contaminant identification and for development of new test methods.

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.

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

Melamine Analysis via GC-MS

Sigma-Aldrich presents an article about the analysis of melamine and related compounds in dog food with the use of more economical gas chromatography-mass spectrometry (GC-MS) instrumentation.

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

Exactly Why is Low Bleed Important for Capillary Columns?

Resolving by Mass

SupraSolv® GC Solvent Specifications

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.

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

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.

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.

GC Analysis of a 37-Component FAME Mix on Omegawax®

This technical article will discuss GC Analysis of a 37-Component FAME Mix on Omegawax.

Silylation of Non-Steroidal Anti-Inflammatory Drugs

Results of a study involving the ability few Fluka silylating reagents to form GC-MS-compatible trimethylsilylmethyl derivatives of NSAIDs

P-I-A-N-O Standards for Detailed Hydrocarbon Analyses

This is an article concerning P-I-A-N-O standards for detailed hydrocarbon analyses.

Biodiesel

Learn more about Biodiesel as a renewable, alternative diesel fuel produced from vegetable oils, animal fats, or recycled restaurant grease.

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.

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

Petroleum Hydrocarbon Standards for SIMDIS

Boiling point range distribution analysis is crucial for petrochemical product processing, control, contaminant identification, and method development.

New cis/trans FAME Standard for GC Optimization

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

Workflow for Pesticide Analysis in Cannabis

Complete workflow for cannabis flower pesticide testing using LC-MS/MS and GC-MS/MS ensures product safety.

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

The Derivatization and Analysis of Amino Acids by GC-MS

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

The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities

Learn about analyzing organic volatile impurities (OVIs) in pharmaceuticals using SH-GC, focusing on suitable solvents and ensuring compliance.

Residual Solvents from Food Packaging

Milli-Q® IQ 7000 Water Purification

It's intelligent. It's intuitive. It's designed to make your work as pleasant and comfortable as possible — and to maximize lab productivity. Its breakthrough ergonomic design and powerful purification media ensure consistent production of superior-quality ultrapure water. See how the

The Best Approaches to Gas Purification

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