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There’s a Wiggle in my Spectrum and It Makes Me Want to Giggle: Differences in Vacuum Ultraviolet Absorbance Spectra for Select Trans- and Cis- Olefin Isomers in Gasoline
Jack Cochran, VUV Analytics
Jack Cochran discusses how the hefty 3-hour run time and painful data review of detailed hydrocarbon analysis is not necessary when you have GC-VUV.
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One Response Factor to Rule Them All…
Jonathan Smuts, VUV Analytics
When a Relative Response Factor (RRF) is known for a compound within a given Spectral Filter (SF) range, it can be used to calculate RRFs for…
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Handling Analyte Concentration Differentials with Makeup Gas Pressure Programming For GC-VUV
James Diekmann, VUV Analytics
Makeup gas pressure programming can be used to balance wide analyte concentration differences encountered in gas chromatography, allowing for proper compound identification and quantitative analysis by…
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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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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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