Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS
The toxic inert ingredients in pesticide formulations are strictly regulated in many countries. In this paper, a simple and efficient headspace-gas chromatography-mass spectrometry (HSGC-MS) method using fluorobenzene as an internal standard (IS) for rapid simultaneous determination of benzene and t...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Journal of Analytical Methods in Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2013/121783 |
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| author | Lidong Cao Hua Jiang Jing Yang Li Fan Fengmin Li Qiliang Huang |
| author_facet | Lidong Cao Hua Jiang Jing Yang Li Fan Fengmin Li Qiliang Huang |
| author_sort | Lidong Cao |
| collection | DOAJ |
| description | The toxic inert ingredients in pesticide formulations are strictly regulated in many countries. In this paper, a simple and efficient headspace-gas chromatography-mass spectrometry (HSGC-MS) method using fluorobenzene as an internal standard (IS) for rapid simultaneous determination of benzene and toluene in pesticide emulsifiable concentrate (EC) was established. The headspace and GC-MS conditions were investigated and developed. A nonpolar fused silica Rtx-5 capillary column (30 m×0.20 mm i.d. and 0.25 μm film thickness) with temperature programming was used. Under optimized headspace conditions, equilibration temperature of 120°C, equilibration time of 5 min, and sample size of 50 μL, the regression of the peak area ratios of benzene and toluene to IS on the concentrations of analytes fitted a linear relationship well at the concentration levels ranging from 3.2 g/L to 16.0 g/L. Standard additions of benzene and toluene to blank different matrix solutions 1ead to recoveries of 100.1%–109.5% with a relative standard deviation (RSD) of 0.3%–8.1%. The method presented here stands out as simple and easily applicable, which provides a way for the determination of toxic volatile adjuvant in liquid pesticide formulations. |
| format | Article |
| id | doaj-art-8558cd025e5e48528651e62dcd7f5fcb |
| institution | Kabale University |
| issn | 2090-8865 2090-8873 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Analytical Methods in Chemistry |
| spelling | doaj-art-8558cd025e5e48528651e62dcd7f5fcb2025-02-03T01:12:01ZengWileyJournal of Analytical Methods in Chemistry2090-88652090-88732013-01-01201310.1155/2013/121783121783Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MSLidong Cao0Hua Jiang1Jing Yang2Li Fan3Fengmin Li4Qiliang Huang5Institute of Plant Protectsion, Chinese Academy of Agricultural Sciences, Key Laboratory of Integrated Pest Management in Crops of Ministry of Agriculture, Beijing 100193, ChinaInstitute of Plant Protectsion, Chinese Academy of Agricultural Sciences, Key Laboratory of Integrated Pest Management in Crops of Ministry of Agriculture, Beijing 100193, ChinaInstitute of Plant Protectsion, Chinese Academy of Agricultural Sciences, Key Laboratory of Integrated Pest Management in Crops of Ministry of Agriculture, Beijing 100193, ChinaInstitute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Plant Protectsion, Chinese Academy of Agricultural Sciences, Key Laboratory of Integrated Pest Management in Crops of Ministry of Agriculture, Beijing 100193, ChinaInstitute of Plant Protectsion, Chinese Academy of Agricultural Sciences, Key Laboratory of Integrated Pest Management in Crops of Ministry of Agriculture, Beijing 100193, ChinaThe toxic inert ingredients in pesticide formulations are strictly regulated in many countries. In this paper, a simple and efficient headspace-gas chromatography-mass spectrometry (HSGC-MS) method using fluorobenzene as an internal standard (IS) for rapid simultaneous determination of benzene and toluene in pesticide emulsifiable concentrate (EC) was established. The headspace and GC-MS conditions were investigated and developed. A nonpolar fused silica Rtx-5 capillary column (30 m×0.20 mm i.d. and 0.25 μm film thickness) with temperature programming was used. Under optimized headspace conditions, equilibration temperature of 120°C, equilibration time of 5 min, and sample size of 50 μL, the regression of the peak area ratios of benzene and toluene to IS on the concentrations of analytes fitted a linear relationship well at the concentration levels ranging from 3.2 g/L to 16.0 g/L. Standard additions of benzene and toluene to blank different matrix solutions 1ead to recoveries of 100.1%–109.5% with a relative standard deviation (RSD) of 0.3%–8.1%. The method presented here stands out as simple and easily applicable, which provides a way for the determination of toxic volatile adjuvant in liquid pesticide formulations.http://dx.doi.org/10.1155/2013/121783 |
| spellingShingle | Lidong Cao Hua Jiang Jing Yang Li Fan Fengmin Li Qiliang Huang Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS Journal of Analytical Methods in Chemistry |
| title | Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS |
| title_full | Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS |
| title_fullStr | Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS |
| title_full_unstemmed | Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS |
| title_short | Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS |
| title_sort | simultaneous determination of benzene and toluene in pesticide emulsifiable concentrate by headspace gc ms |
| url | http://dx.doi.org/10.1155/2013/121783 |
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