All content is courtesy of VUV Analytics and its collaborators, and re-use must be specifically authorized by its authors and contributors.
You Can’t Fool VUV Analyze for PIONA Determinations in Gasoline!

Jack Cochran, VUV Analytics

Anyone who has seen me in action knows I must constantly play around with gas chromatography conditions for any application, even one as well-developed as ASTM…

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Proving It by VUVing It: Using a Higher GC Oven Start Temperature for Gasoline Analysis with a VUV Detector – ASTM D8071 System Validation Mixture

Jack Cochran, VUV Analytics

As mentioned in my previous blog post, ASTM D8071-17: Standard Test Method for Determination of Hydrocarbon Group Types and Select Hydrocarbon and Oxygenate Compounds in Automotive…

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Your PIONA Analysis is Cool, but My Lab Ain’t: Using a Higher GC Oven Start Temperature for Gasoline Analysis with a VUV Detector

Jack Cochran, VUV Analytics

Jack Cochran explains how data processing through VUV Analyze PIONA + allows flexibility on initial oven temperature to accommodate labs struggling to hit 35°C

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Better Living Through (Flavor) Chemistry Part 2 – Read Between (or Beneath) the Lines

Alex Hodgson, VUV Analytics

Alex Hodgson explains how unique terpene VUV spectra can be used to spectrally deconvolve co-eluting isomers in fast GC-VUV runs.

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A review of methods for the chemical characterization of cannabis natural products

Leghissa, Zacariah L. Hildenbrand, Kevin A. Schug - Journal of Separation Science

This review demonstrates how GC-VUV is an effective tool for differentiating cannabinoid and terpene isomers. GC runtimes can be shortened by utilizing spectral deconvolution.

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Dilution is Not Always the Solution: The Impact of Makeup Gas Pressure for a VUV Detector for GC

Jack Cochran, VUV Analytics

Jack Cochran describes how dilution with makeup gas impacts analyte residence time in the VUV detector flow cell. Higher makeup gas pressure = higher makeup gas…

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Corrosion Cocktail – Part Ethanol, Part Gasoline, Part Diesel – Analyzed Using GC-VUV

Jack Cochran, VUV Analytics

Part 2 of Jack Cochran's blog about how GC-VUV can be used to monitor for ethanol in diesel storage to prevent serious microbiologically-influenced corrosion problems.

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Analyzing Ethanol in Diesel with Static Headspace – GC-VUV

Jack Cochran, VUV Analytics

Ethanol is a common “oxygenate” added to automobile gasoline in the United States to enable more complete combustion and reduced air pollution. Typically, ethanol is not…

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Discriminating Isomers and Isotopologues using Gas Chromatography – Vacuum Ultraviolet Spectroscopy

Dr. Kevin A. Schug, et al., University of Texas, Arlington

Dr. Schug's presentation at ISCC and GCxGC 2017 discusses how Sum Squared Residual values relate to the differentiation of isomers by GC-VUV. Isomer systems investigated include…

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