🔬 VUV Results

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H126 - GCxGC Chromatogram

Interactive 2D GCxGC-VUV chromatogram. Click any peak to see match details. Color indicates hydrocarbon class from APR classification.

282 peaks with consistent spectral matches, 717 peaks with no confident match (CN mismatch or low similarity suppressed)

About This Analysis

Hydrocarbon classification: Peak positions are from the VUV Analytics APR (Automated Peak Recognition) system, which assigns each detected peak a hydrocarbon class (n-paraffin, iso-paraffin, monocycloparaffin, etc.) and carbon number based on 2D retention time position within calibrated GCxGC regions.

Spectral matching: Each peak's VUV absorption spectrum (125-240 nm, 646 channels) is compared against a reference library of 378 jet-fuel-range hydrocarbons.

Current limitations:

  • Peak spectra are extracted from a single scan at peak maximum with local background subtraction.
  • The reference library contains 378 compounds, which does not cover all possible isomers.
  • Co-eluting compounds within a single modulation may produce mixed spectra.