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Effects of Storage Conditions and GCxGC/FID Parameters on the Composition and Flash Point of Jet a and The Identification and Quantitation of Alkylphenols In Jet A Using PREP-HPLC And GCxGC/(+)EI MS.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Effects of Storage Conditions and GCxGC/FID Parameters on the Composition and Flash Point of Jet a and The Identification and Quantitation of Alkylphenols In Jet A Using PREP-HPLC And GCxGC/(+)EI MS./
作者:	Modereger, Brent.
面頁冊數:	1 online resource (150 pages)
附註:	Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
Contained By:	Dissertations Abstracts International85-01B.
標題:	Chemistry. -
電子資源:	click for full text (PQDT)
ISBN:	9798379850562

Effects of Storage Conditions and GCxGC/FID Parameters on the Composition and Flash Point of Jet a and The Identification and Quantitation of Alkylphenols In Jet A Using PREP-HPLC And GCxGC/(+)EI MS.
Modereger, Brent.

Effects of Storage Conditions and GCxGC/FID Parameters on the Composition and Flash Point of Jet a and The Identification and Quantitation of Alkylphenols In Jet A Using PREP-HPLC And GCxGC/(+)EI MS. - 1 online resource (150 pages)

Source: Dissertations Abstracts International, Volume: 85-01, Section: B.

Thesis (Ph.D.)--Purdue University, 2023.

Includes bibliographical references

Jet fuel is mostly comprised of hydrocarbons, but it also contains trace-levels of heteroatom containing compounds. The properties of jet fuel, which must remain within specified ranges for optimal safety and performance, depend on the exact structures and amounts of these hydrocarbons and/or heteroatom containing compounds. Therefore, accurate and precise analytical methods are needed for their identification and quantitation. Two-dimensional gas chromatography with flame ionization detection (GCxGC/FID) is a powerful analytical technique for identifying and quantifying the hydrocarbons in jet fuel. However, GCxGC/FID cannot be used to analyze the heteroatom containing compounds in jet fuel because the FID is nonselective. Also, it is poorly understood how some of the laboratory procedures (e.g., duration of storage, type of storage container used) and GCxGC/FID method parameters (e.g., mass-loading value, S/N threshold value, number of measurements made for each sample vial) affect the accuracy and precision of the hydrocarbon composition measurements. It is also poorly understood how some laboratory procedures (e.g., duration of storage, type of storage container used) affect the accuracy and precision of flash point measurements.This dissertation focuses on the examination of the influence of sample storage conditions on the accuracy and precision of hydrocarbon composition measurements of Jet A made with GCxGC/FID and the accuracy and precision of flash point measurements of Jet A made with a Tag closed cup flash point tester. Areas of focus also include the influence of the column load value used, the S/N threshold value used, and the number of measurements made for a single sample vial on the accuracy and precision of the GCxGC/FID results. This dissertation also describes the development of an analytical method for the identification and quantitation of alkylphenols in Jet A (which are the most abundant heteroatom containing compounds in jet fuel) by using preparative high-performance liquid chromatography (prep-HPLC) and two-dimensional gas chromatography with electron ionization time-of-flight mass spectrometry (GCxGC/(+)EI TOF MS).

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798379850562Subjects--Topical Terms:

593913
Chemistry.
Index Terms--Genre/Form:

554714
Electronic books.

Effects of Storage Conditions and GCxGC/FID Parameters on the Composition and Flash Point of Jet a and The Identification and Quantitation of Alkylphenols In Jet A Using PREP-HPLC And GCxGC/(+)EI MS.
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520 $a Jet fuel is mostly comprised of hydrocarbons, but it also contains trace-levels of heteroatom containing compounds. The properties of jet fuel, which must remain within specified ranges for optimal safety and performance, depend on the exact structures and amounts of these hydrocarbons and/or heteroatom containing compounds. Therefore, accurate and precise analytical methods are needed for their identification and quantitation. Two-dimensional gas chromatography with flame ionization detection (GCxGC/FID) is a powerful analytical technique for identifying and quantifying the hydrocarbons in jet fuel. However, GCxGC/FID cannot be used to analyze the heteroatom containing compounds in jet fuel because the FID is nonselective. Also, it is poorly understood how some of the laboratory procedures (e.g., duration of storage, type of storage container used) and GCxGC/FID method parameters (e.g., mass-loading value, S/N threshold value, number of measurements made for each sample vial) affect the accuracy and precision of the hydrocarbon composition measurements. It is also poorly understood how some laboratory procedures (e.g., duration of storage, type of storage container used) affect the accuracy and precision of flash point measurements.This dissertation focuses on the examination of the influence of sample storage conditions on the accuracy and precision of hydrocarbon composition measurements of Jet A made with GCxGC/FID and the accuracy and precision of flash point measurements of Jet A made with a Tag closed cup flash point tester. Areas of focus also include the influence of the column load value used, the S/N threshold value used, and the number of measurements made for a single sample vial on the accuracy and precision of the GCxGC/FID results. This dissertation also describes the development of an analytical method for the identification and quantitation of alkylphenols in Jet A (which are the most abundant heteroatom containing compounds in jet fuel) by using preparative high-performance liquid chromatography (prep-HPLC) and two-dimensional gas chromatography with electron ionization time-of-flight mass spectrometry (GCxGC/(+)EI TOF MS).
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