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You Can’t Fool VUV Analyze for PIONA Determinations in Gasoline!
Jack Cochran, VUV Analytics
PIONA GC analysis is simplified by VUV PIONA+ by ensuring correct PIONA compound class and speciation results despite changes in retention time due to temperature or…
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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
ASTM D8071 for PIONA GC compound gasoline analysis is optimized for 35°C GC oven starts. VUV PIONA+ provides temp start flexibility for PIONA GC analysis by…
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Your PIONA GC 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
VUV PIONA+ allows oven start temp flexibility and can accommodate labs struggling to hit 35°C in their PIONA GC analysis. GC-VUV provides a single column, single…
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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 coeluting peaks in this fast GC method.
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Terpene Isomer Analysis: A review of methods for the chemical characterization of cannabis natural products
Journal of Separation Science
This review demonstrates how GC-VUV is an effective tool for terpene isomer analysis in cannabis natural products and differentiating terpene isomers. VUV spectra enable a fast…
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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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