November 27th 2024
During RAFA 2024, we interviewed Giorgia Purcaro of the University of Liège about using multidimensional gas chromatography (GC) to analyze mineral oil hydrocarbons (MOH).
Evaluating Consistency in Inverse Gas Chromatography: Insights from an Interlaboratory Study
January 1st 2024Researchers from Europe conducted the first known interlaboratory study on inverse gas chromatography (IGC), revealing significant variations in dispersive surface energy values and retention volumes for standard materials.
From Detector to Decision, Part III: Fundamentals of Calibration in Gas Chromatography
January 1st 2024Gas chromatography is a premier technique for quantitative analysis. As gas chromatographs have become simpler to use and data systems more powerful, much of the data processing involved in delivering quantitative results now happens in the background and is seemingly invisible to the user. In this installment, we will review the calibration techniques used with gas chromatography. We will compare calibration methods and the assumptions that underlie them. We will explore common mistakes and challenges in developing quantitative methods and conclude with recommendations for appropriate calibration methods for quantitative problems.
Untargeted Analysis in Petroleomics
December 1st 2023LCGC spoke to Leandro Wang Hantao from the University of Campinas in São Paulo, Brazil, about his work investigating the influence of ion management parameters on the data produced by comprehensive gas chromatography–high-resolution mass spectrometry (GC×GC–HRMS) equipped with a fourier transform-orbital ion trap mass analyzer, and his investigation into employing channel occlusion for sample preparation in untargeted analysis in petroleomics.
The Evolution of Breath Analysis
November 3rd 2023The Column spoke with Ilaria Belluomo from Imperial College London, UK, about her research in breath analysis. She details her work into a noninvasive breath test that can be used to detect colorectal cancer using GC–MS. She also discusses the use of SIFT-MS for the analysis of VOCs in breath.
Gulf Coast Conference: John Wasson Discusses Data Retrieval From Chemical Processing Plant Streams
October 25th 2023At the 2023 Gulf Coast Conference, LCGC spoke with John Wasson of Wasson-ECE Instrumentation, who discussed the process of retrieving high-quality, real-time data from chemical processing plant streams. This interview was one of four conducted live at GCC 2023.
Gulf Coast Conference: Kevin Schug Discusses Predicting Gas Phase Vacuum Ultraviolet Spectra
October 25th 2023At the 2023 Gulf Coast Conference, LCGC spoke with Kevin Schug of the University of Texas at Arlington, about predicting gas phase vacuum ultraviolet spectra using machine learning. This interview was one of four conducted live at GCC 2023.
Gulf Coast Conference: Application of GCVUV Techniques to Petroleum Specifications and Regulations
October 23rd 2023Dan Wispinski, the Standard Methods Development Manager for VUV Analytics, held a lecture at the Gulf Coast Convention in Galveston, Texas, which focused on the adoption of gas chromatography–vacuum ultraviolet spectroscopy (GC-VUV) technology.