Retention behaviour of alkylated and non-alkylated polycyclic aromatic hydrocarbons on different types of stationary phases in gas chromatography

Ewa Skoczyńska, Jacob de Boer

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The gas chromatographic retention behaviour of 16 polycyclic aromatic hydrocarbons (PAHs) and alkylated PAHs on a new ionic liquid stationary phase, 1,12-di(tripropylphosphonium) dodecane bis(trifluoromethanesulfonyl)imide (SLB®-ILPAH) intended for the separation of PAH mixtures, was compared with the elution pattern on more traditional stationary phases: a non-polar phenyl arylene (DB-5ms) and a semi-polar 50% phenyl dimethyl siloxane (SLB PAHms) column. All columns were tested by injections of working solutions containing 20 parental PAHs from molecular weight of 128 to 278 g/mol and 48 alkylated PAHs from molecular weight of 142 to 280 g/mol on a one dimensional gas chromatography-mass spectrometry (GC-MS) system. The SLB PAHms column allowed separation of most isomers. The SLB®-ILPAH column showed a rather different retention pattern compared to the other two columns and, therefore, provided a potential for use in comprehensive two-dimensional GC (GC×GC). The ionic liquid column and the 50% phenyl column showed good thermal stability with a low bleed profile, even lower than that of the phenyl arylene “low bleed” column.

Original languageEnglish
Article number7
Pages (from-to)1-12
Number of pages12
JournalSeparations
Volume6
Issue number1
Early online date29 Jan 2019
DOIs
Publication statusPublished - 1 Mar 2019

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Polycyclic Aromatic Hydrocarbons
Polycyclic aromatic hydrocarbons
Gas chromatography
Ionic Liquids
Ionic liquids
Molecular weight
Siloxanes
Isomers
Mass spectrometry
Thermodynamic stability
Gases

Keywords

  • Alkylated polycyclic aromatic hydrocarbons (alkylated PAHs)
  • Chromatographic selectivity
  • Gas chromatography
  • Ionic liquid stationary phase

Cite this

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title = "Retention behaviour of alkylated and non-alkylated polycyclic aromatic hydrocarbons on different types of stationary phases in gas chromatography",
abstract = "The gas chromatographic retention behaviour of 16 polycyclic aromatic hydrocarbons (PAHs) and alkylated PAHs on a new ionic liquid stationary phase, 1,12-di(tripropylphosphonium) dodecane bis(trifluoromethanesulfonyl)imide (SLB{\circledR}-ILPAH) intended for the separation of PAH mixtures, was compared with the elution pattern on more traditional stationary phases: a non-polar phenyl arylene (DB-5ms) and a semi-polar 50{\%} phenyl dimethyl siloxane (SLB PAHms) column. All columns were tested by injections of working solutions containing 20 parental PAHs from molecular weight of 128 to 278 g/mol and 48 alkylated PAHs from molecular weight of 142 to 280 g/mol on a one dimensional gas chromatography-mass spectrometry (GC-MS) system. The SLB PAHms column allowed separation of most isomers. The SLB{\circledR}-ILPAH column showed a rather different retention pattern compared to the other two columns and, therefore, provided a potential for use in comprehensive two-dimensional GC (GC×GC). The ionic liquid column and the 50{\%} phenyl column showed good thermal stability with a low bleed profile, even lower than that of the phenyl arylene “low bleed” column.",
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Retention behaviour of alkylated and non-alkylated polycyclic aromatic hydrocarbons on different types of stationary phases in gas chromatography. / Skoczyńska, Ewa; de Boer, Jacob.

In: Separations, Vol. 6, No. 1, 7, 01.03.2019, p. 1-12.

Research output: Contribution to JournalArticleAcademicpeer-review

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