Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry
This study reports a promising method of solid-phase extraction for determining the toluene, ethylbenzene, p-xylene, m-xylene, o-xylene, 1,3,5-trimethylbenzene, and 1,2,4-trimethylbenzene in water samples by gas chromatography–mass spectrometry (GC–MS). Prior to this procedure, the magnesium–aluminu...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2020-02-01
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| Series: | Arabian Journal of Chemistry |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1878535219300796 |
| _version_ | 1819083109378818048 |
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| author | Xiaping Zhu Yong Wang Hongbao Zuo Ping Zhao Zepeng Wang |
| author_facet | Xiaping Zhu Yong Wang Hongbao Zuo Ping Zhao Zepeng Wang |
| author_sort | Xiaping Zhu |
| collection | DOAJ |
| description | This study reports a promising method of solid-phase extraction for determining the toluene, ethylbenzene, p-xylene, m-xylene, o-xylene, 1,3,5-trimethylbenzene, and 1,2,4-trimethylbenzene in water samples by gas chromatography–mass spectrometry (GC–MS). Prior to this procedure, the magnesium–aluminum bimetallic hydroxides modified with sodium dodecylbenzenesulfonate (Mg/Al-SDBS-LDH) were prepared and served as the novel solid-phase extractant. The Mg/Al-SDBS-LDH has advantage of good hydrophobicity and larger spacing which facilitates the monoaromatic hydrocarbons (MAHCs) into the interlayer for adsorption. As a result, the seven MAHCs in 500 mL water samples were enriched greatly, and the theoretical enrichment factor reached to 125 times. Under the optimized conditions of solid-phase extraction (SPE) and GC–MS, the mass concentration of each MAHC (0.005–10, 0.01–10, or 0.05–10 ng/mL) had a fine linear relationship with peak area. The correlation coefficients were more than 0.995. The detection limits were between 0.001 and 0.01 ng/mL, and the RSD were between 3.1% and 6.6%. The method had been applied to determine the seven MAHCs in the Dongfengqu river water and laboratory wastewater of Chengdu University of Technology successfully. Keywords: Solid-phase extraction, Monoaromatic hydrocarbons, Gas chromatography–mass spectrometry, SDBS-modified layered bimetallic hydroxide |
| first_indexed | 2024-12-21T20:27:20Z |
| format | Article |
| id | doaj.art-392914c0383d4e689b2276b1d3b1510b |
| institution | Directory Open Access Journal |
| issn | 1878-5352 |
| language | English |
| last_indexed | 2024-12-21T20:27:20Z |
| publishDate | 2020-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Arabian Journal of Chemistry |
| spelling | doaj.art-392914c0383d4e689b2276b1d3b1510b2022-12-21T18:51:21ZengElsevierArabian Journal of Chemistry1878-53522020-02-0113242464253Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometryXiaping Zhu0Yong Wang1Hongbao Zuo2Ping Zhao3Zepeng Wang4College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China; Corresponding author at: 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China.College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, ChinaCollege of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu 610059, ChinaGeological Party 105, Bureau of Geology and Mineral Exploration and Development Guizhou Province, Guiyang 550018, Guizhou, PR ChinaGeological Party 105, Bureau of Geology and Mineral Exploration and Development Guizhou Province, Guiyang 550018, Guizhou, PR ChinaThis study reports a promising method of solid-phase extraction for determining the toluene, ethylbenzene, p-xylene, m-xylene, o-xylene, 1,3,5-trimethylbenzene, and 1,2,4-trimethylbenzene in water samples by gas chromatography–mass spectrometry (GC–MS). Prior to this procedure, the magnesium–aluminum bimetallic hydroxides modified with sodium dodecylbenzenesulfonate (Mg/Al-SDBS-LDH) were prepared and served as the novel solid-phase extractant. The Mg/Al-SDBS-LDH has advantage of good hydrophobicity and larger spacing which facilitates the monoaromatic hydrocarbons (MAHCs) into the interlayer for adsorption. As a result, the seven MAHCs in 500 mL water samples were enriched greatly, and the theoretical enrichment factor reached to 125 times. Under the optimized conditions of solid-phase extraction (SPE) and GC–MS, the mass concentration of each MAHC (0.005–10, 0.01–10, or 0.05–10 ng/mL) had a fine linear relationship with peak area. The correlation coefficients were more than 0.995. The detection limits were between 0.001 and 0.01 ng/mL, and the RSD were between 3.1% and 6.6%. The method had been applied to determine the seven MAHCs in the Dongfengqu river water and laboratory wastewater of Chengdu University of Technology successfully. Keywords: Solid-phase extraction, Monoaromatic hydrocarbons, Gas chromatography–mass spectrometry, SDBS-modified layered bimetallic hydroxidehttp://www.sciencedirect.com/science/article/pii/S1878535219300796 |
| spellingShingle | Xiaping Zhu Yong Wang Hongbao Zuo Ping Zhao Zepeng Wang Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry Arabian Journal of Chemistry |
| title | Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry |
| title_full | Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry |
| title_fullStr | Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry |
| title_full_unstemmed | Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry |
| title_short | Modified layered bimetallic compound used as a novel adsorbent for the solid-phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography–mass spectrometry |
| title_sort | modified layered bimetallic compound used as a novel adsorbent for the solid phase extraction of monoaromatic hydrocarbons from water samples prior to gas chromatography mass spectrometry |
| url | http://www.sciencedirect.com/science/article/pii/S1878535219300796 |
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