Application Notes: GC

This study shows high-throughput ethanol in food method analyzing for alcohol content in a variety of commercially available beverages and foods.

Residual monomers and solvents can present health risks or impact performance of final product. Learn about this method that can help you meet the most stringent purity requirements.

This study shows a method that provides ideal separation efficiency and quantitative repeatability for ASTM Method D5501-20 analysis.

Learn about a GC-FID method that identifies propylene glycol and defines a limit test for ethylene glycol and diethylene glycol.

Learn about residual impurities in cetyl alcohol method, according to the USP monograph, that offers enhanced compound resolution and highly repeatable injections.

This study focuses on PEG samples having a molecular weight of less than 450 where USP specifies a GC–FID using a packed column as the analytical method of choice.

Fast method that provides excellent resolution and highly repeatable separations helping to improve data quality and increase laboratory productivity.

Analysis of volatile petrochemical hydrocarbons in the environment by fully automated workflow (flow-modulated headspace–GC×GC–FID) for efficient sample quantitation

Using GC–TOF-MS for comprehensive profiling of seized drug samples, for confident identification of controlled substances, as well as adulterants and cutting agents

Cost-saving benefits are achieved through an automated workflow for mineral oil analysis in water by in-vial liquid-liquid extraction, clean-up, and on-line GC analysis

This application note describes two approaches for achieving a robust, multiresidue pesticide analysis in 10 min by GC–MS/MS for over 200 pesticides in spinach.

Learn best practices to enhance analytical performance for the analysis of > 200 pesticides in challenging matrices using Agilent triple quadrupole GC–MS instruments.

This application demonstrates low detection limit capabilities of the Agilent 7000E triple quadrupole GC–MS, meeting EPA 8270 requirements when using H2 carrier gas.

Methods migration from updating analytical equipment can be a time consuming task. This paper shows many examples of method compatibility and analytical equivalency.

 In this application note we demonstrate the excellent performance of Sapiens-624MS columns for the analysis of e-liquids based on ISO 20714.

This application note describes two methods for isopropyl alcohol impurities detection: USP recommended 42-min analysis, and a speed-optimized method in less than 6 min.

A novel LC approach to manipulate the chromatography of closely related PFAS analytes to separate co-elutes and avoid matrix interferences.

Investigating the effect of hydrogen and helium carrier gas across a range of column flow rates with different draw-out lenses for essential oil and volatile analysis

In this application note we demonstrate the excellent performance of Sapiens-624MS columns for the analysis of e-liquids based on ISO 20714

The internal standard module of a CDS thermal desorber is used to automate the process of preparing calibration standards onto pre-conditioned thermal desorption tubes

This application note demonstrates the quantitative recollection of split sample to a clean sample saver tube for a group of VOCs in TD–GC–MS.

This application note follows the Pyroprobe application decision making tree with EGA and pyrolysis to study biodegradable plastics by GC-MS.

In this application note, we will walk you through the steps required to change your carrier gas from helium to hydrogen.

Quantitative recollection of split sample to a second sample saver tube is demonstrated for different split ratios on the CDS 7550S automated thermal desorber.

Application guide to PFAS analysis in environmental and food samples, from sample preparation to LC–MS/MS analysis, featuring both validated and exploratory methods.

In a commercial laboratory setting, Strata-X-AW and Gemini 3 µm C18 show excellent precision and recovery in EPA Method 533 for the analysis of PFAS in drinking water.

Strata PFAS (WAX and GCB combined in a single SPE tube) compliant with DOD QSM 5.1, but more accurate, precise, and economical than dual tube or dispersed GCB solutions.