Optimized simultaneous pressurized fluid extraction and in-cell clean-up, and analysis of polycyclic aromatic hydrocarbons (PAHs), and nitro-, carbonyl-, hydroxy -PAHs in solid particles
|
Accepted Version
(PDF 862kB)
63862633. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. |
Description
The development, modification and optimization of analytical methods capable of simultaneous extraction and in-cell clean-up of extracts for subsequent determination of parent PAHs and their associated transformed nitro-PAHs (NPAH), carbonyl-PAHs (CPAH) and hydroxy-PAHs (HO-PAH) products (TPPs) is essential for reducing the time and cost of analysis. The aim of this study was to modify and optimize the pressurized fluid extraction (PFE) technique capable of simultaneous extraction and in-cell clean-up of PAHs and TPPs in urban dust standard reference material and road dust for GC-MS analyses. In this study, multivariate data analysis such as factor analysis (FA), and preference ranking organisation method for enrichment evaluation (PROMETHEE) and geometrical analysis for interactive aid (GAIA) were used to assess the performance of the methods. As the key outcome of the study, an optimized selective reaction monitoring (SRM) Triple Quadrupole (TQ) electron ionization (EI)-GC/MS for measuring PAHs and TPPs without derivatization of polar HO-PAHs was developed. The limits of detection (LOD) for parent PAHs, CPAHs, NPAHs and HO-PAHs using Shimadzu TQ were 1.0–5.0 pg, 1.0–5.0 pg, 1.0–50.0 pg, and 1.0–25.0 pg, respectively. The PROMETHEE-GAIA analysis of the results showed that a combination of 3% deactivated silica gel and activated alumina (2:1) as in-cell clean-up material, and sequential PFE extraction (200 °C ASE temperature, 9 min preheat time and 3 times extraction cycle) using 100% hexane followed by hexane/DCM (1:1) is the best condition for analytes extraction from road dust. An optimized, fast and reliable GC/MS method operated solely in electron ionization (EI) mode was developed for measuring all analytes. The outcomes of this study will contribute significantly to future research on PAHs and TPPs, thereby promoting a safe and sustainable environment.
Impact and interest:
Citation counts are sourced monthly from Scopus and Web of Science® citation databases.
These databases contain citations from different subsets of available publications and different time periods and thus the citation count from each is usually different. Some works are not in either database and no count is displayed. Scopus includes citations from articles published in 1996 onwards, and Web of Science® generally from 1980 onwards.
Citations counts from the Google Scholar™ indexing service can be viewed at the linked Google Scholar™ search.
Full-text downloads:
Full-text downloads displays the total number of times this work’s files (e.g., a PDF) have been downloaded from QUT ePrints as well as the number of downloads in the previous 365 days. The count includes downloads for all files if a work has more than one.
| ID Code: | 202315 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Item Type: | Contribution to Journal (Journal Article) | ||||||||
| Refereed: | Yes | ||||||||
| ORCID iD: |
|
||||||||
| Additional Information: | Acknowledgement: The authors will like to acknowledge the Queensland University of Technology (QUT) for extending the postgraduate research award to Gustav Gbeddy to undertake this study. Further appreciation goes to the Central Analytical Research Facility (CARF) under the Institute for Future Environments, QUT where the data used in this paper were acquired. Access to CARF was facilitated by generous funding from the Science and Engineering Faculty, QUT. Finally, the immense role of the Ghana Atomic Energy Commission (GAEC) is highly recognized for granting study leave to Gustav Gbeddy in order to embark upon this study. | ||||||||
| Measurements or Duration: | 10 pages | ||||||||
| Keywords: | Electron ionization, Multivariate data analysis, Optimization, Pressurized fluid extraction, Transformed PAH products | ||||||||
| DOI: | 10.1016/j.aca.2020.05.021 | ||||||||
| ISSN: | 0003-2670 | ||||||||
| Pure ID: | 63862633 | ||||||||
| Divisions: | Current > Research Centres > Centre for Materials Science Current > Research Centres > Centre for the Environment Past > Institutes > Institute for Future Environments Past > QUT Faculties & Divisions > Science & Engineering Faculty Current > QUT Faculties and Divisions > Faculty of Science Current > Schools > School of Chemistry & Physics Current > Schools > School of Civil & Environmental Engineering Current > Research Centres > Centre for Tropical Crops and Biocommodities |
||||||||
| Funding Information: | The authors will like to acknowledge the Queensland University of Technology (QUT) for extending the postgraduate research award to Gustav Gbeddy to undertake this study. Further appreciation goes to the Central Analytical Research Facility (CARF) under the Institute for Future Environments, QUT where the data used in this paper were acquired. Access to CARF was facilitated by generous funding from the Science and Engineering Faculty, QUT . Finally, the immense role of the Ghana Atomic Energy Commission (GAEC) is highly recognized for granting study leave to Gustav Gbeddy in order to embark upon this study. | ||||||||
| Copyright Owner: | Crown copyright 2020 | ||||||||
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||||||||
| Deposited On: | 21 Jul 2020 05:31 | ||||||||
| Last Modified: | 13 Apr 2024 19:57 |
Export: EndNote | Dublin Core | BibTeX
Repository Staff Only: item control page
CORE (COnnecting REpositories)
CORE (COnnecting REpositories)