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Research Article
James S Chickos
University of Missouri-St. Louis
Corresponding Author
ORCiD: https://orcid.org/0000-0002-8385-1665
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The vapor pressures and vaporization enthalpies of the major components of opopanax oil, a medicinal that has been in use since biblical times, are evaluated by correlation gas chromatography. Two sets of hydrocarbon standards are used, n-alkanes and a mixture of cyclic and polycyclic hydrocarbons. Two of the oil’s sesquiterpene components, evaluated in a previous study, were used both as standards and also as targets. Their use as targets was in an effort to confirm both their identity in the oil and the reproducibility of their properties. All correlations produce reproducible vaporization enthalpies and vapor pressures at ambient temperatures. At elevated temperatures, the use of the two different sets of standards resulted in some divergence in vapor pressure. Experiments are described aimed at attenuating this divergence. The results are compared to existing data.
Keywords
Correlation gas chromatography, gas chromatography, vaporization enthalpy, vapor pressure, sesquiterpenes, opopanax oil
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View the published article at Structural Chemistry.
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Editorial decision: Minor revisions
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Subject Areas
General Biochemistry
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See the published version of this preprint at Structural Chemistry.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
James S Chickos
University of Missouri-St. Louis
Corresponding Author
ORCiD: https://orcid.org/0000-0002-8385-1665
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Structural Chemistry.
Version 1
Posted 10 Feb, 2021
No community comments so far
Editorial decision: Minor revisions
On 21 Feb, 2021
Reviews received
Received 05 Feb, 2021
Editor assigned
On 31 Jan, 2021
First submitted
On 28 Jan, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
General Biochemistry
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Structural Chemistry.
The vapor pressures and vaporization enthalpies of the major components of opopanax oil, a medicinal that has been in use since biblical times, are evaluated by correlation gas chromatography. Two sets of hydrocarbon standards are used, n-alkanes and a mixture of cyclic and polycyclic hydrocarbons. Two of the oil’s sesquiterpene components, evaluated in a previous study, were used both as standards and also as targets. Their use as targets was in an effort to confirm both their identity in the oil and the reproducibility of their properties. All correlations produce reproducible vaporization enthalpies and vapor pressures at ambient temperatures. At elevated temperatures, the use of the two different sets of standards resulted in some divergence in vapor pressure. Experiments are described aimed at attenuating this divergence. The results are compared to existing data.
Figure 1
Figure 2
The full text of this article is available to read as a PDF.
This is a list of supplementary files associated with this preprint. Click to download.
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