Limits of Identification Using VUV Spectroscopy Applied to C8H18 Isomers Isolated by GC×GC

Bell, David C; Feldhausen, John; Spieles, Aaron J; Boehm, Randall C; Heyne, Joshua; United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment; University of Dayton. Department of Mechanical and Aerospace Engineering; Washington State University. School of Engineering and Applied Science; Pacific Northwest National Laboratory

doi:10.1016/j.talanta.2023.124451

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Limits of Identification Using VUV Spectroscopy Applied to C8H18 Isomers Isolated by GC×GC

2023-03-01
By Bell, David C ; Feldhausen, John ; Spieles, Aaron J ; ...

[PDF-3.40 MB]

English

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Creators:

Bell, David C ; Feldhausen, John ; Spieles, Aaron J ; Boehm, Randall C ; Heyne, Joshua

Bell, David C ; Feldhausen, John ; Spieles, Aaron J ; Boehm, Randall C ; Heyne, Joshua Less -
Corporate Creators:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; University of Dayton. Department of Mechanical and Aerospace Engineering ; Washington State University. School of Engineering and Applied Science ; Pacific Northwest National Laboratory

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; University of Dayton. Department of Mechanical and Aerospace Engineering ; Washington State University. School of Engineering and Applied Science ; Pacific Northwest National Laboratory Less -
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy
Subject/TRT Terms:

[+]

ASCENT Aviation Fuels Fuel Composition GC×GC Isomer Identification Sustainable Aviation Fuel Sustainable Transportation Ultraviolet Spectroscopy Vacuum Ultraviolet Spectroscopy
Publication/ Report Number:

j.talanta.2023.124451
DOI:

https://doi.org/10.1016/j.talanta.2023.124451
Resource Type:

Journal Article
Right Statement:

Open Access; https://creativecommons.org/licenses/by/4.0/
Geographical Coverage:

United States
Contracting Officer:

Oldani, Anna
Corporate Publisher:

Elsevier
Abstract:

The vacuum ultraviolet detector for gas chromatography can be used to identify structural differences between isomers with similar chromatographic elution times, which adds detail to characterization, valuable for prescreening of sustainable aviation fuel candidates. Although this capability has been introduced elsewhere, vacuum ultraviolet spectroscopy for saturated hydrocarbons has been examined minimally, as the similarities between their spectra are much less significant than their aromatic counterparts. The fidelity with which structural differences can be identified has been unclear. In this work, all possible structural isomers of C8H18 are measured and determined to have unambiguously unique vacuum ultraviolet spectra. Using a statistically based residual comparison approach, the concentration limits at which the spectral differences are interpretable are tested in both a controlled study and a real fuel application. The concentration limit at which the spectral differences between C8H18 isomers are unambiguous is below 0.40% by mass and less than 0.20% with human discretion in our experimental configuration.
Content Notes:

This is an open access article under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) license https://creativecommons.org/licenses/by/4.0/. Please cite this article as: Bell DC, Feldhausen J, Spieles AJ, Boehm RC, Heyne JS. Limits of identification using VUV spectroscopy applied to C8H18 isomers isolated by GC×GC. Talanta. 2023 Jun 1;258:124451. https://doi.org/10.1016/j.talanta.2023.124451
Format:

PDF
Funding:

13-C-AJFE-UD-026
Collection(s):

Federal Aviation Administration
Main Document Checksum:

[+]

urn:sha256:0e9a7b99fa3b21419990bb66bd3c0173c9c912175c1fdbb6f4abd28fa441e8ea
Download URL:

https://rosap.ntl.bts.gov/view/dot/68090/dot_68090_DS1.pdf
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Limits of Identification Using VUV Spectroscopy Applied to C8H18 Isomers Isolated by GC×GC

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