Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.microc.2019.104163 http://hdl.handle.net/11449/189488 |
Resumo: | In the environmental monitoring at gas stations, total petroleum hydrocarbons (TPH) and aromatic hydrocarbons, such as benzene, toluene, ethylbenzene, and xylenes (BTEX), are determined to verify soil contamination. However, the determination by conventional GC requires a long time of analysis and expensive autosamplers for volatile compounds extraction. Therefore, the present work aimed at the development, validation, and application of ultra-fast chromatographic methods with flame ionization detector (UFGC-FID) capable of determining the TPH fractions (GRO, DRO, and ORO) and BTEX in a faster and less costly way than conventional methods. In addition, sonication extraction methods were developed and validated for two groups of compounds (volatile and semivolatile). The optimum conditions of the extraction methods were obtained through regression models generated from designs of experiment (DOE). The UFGC-FID methods provided determinations in 5 min and presented good linearity (R2 > 0.997), selectivity (Rs > 1.00), sensitivity (γ > 0.02 mg kg− 1), precision (repeatability <7%), and accuracy (recoveries between 70% and 130%). Moreover, the BTEX solutions prepared in ethanol showed great intermediate precision (RSD < 1%) when stored at −19 °C over a period of 15 days. The optimized sonication method provided extractions in 13.5 min per sample and presented relative standard deviations (RSD) <7% and recoveries between 70% and 130%. Therefore, the environmental monitoring can be a faster, lower costly, and more environmentally friendly process through UFGC-FID associated with sonication extraction methods. |
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Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soilEnvironmental monitoringMonocyclic aromatic hydrocarbonsSoil contaminationSonicationTotal petroleum hydrocarbonsUltra-fast gas chromatographyIn the environmental monitoring at gas stations, total petroleum hydrocarbons (TPH) and aromatic hydrocarbons, such as benzene, toluene, ethylbenzene, and xylenes (BTEX), are determined to verify soil contamination. However, the determination by conventional GC requires a long time of analysis and expensive autosamplers for volatile compounds extraction. Therefore, the present work aimed at the development, validation, and application of ultra-fast chromatographic methods with flame ionization detector (UFGC-FID) capable of determining the TPH fractions (GRO, DRO, and ORO) and BTEX in a faster and less costly way than conventional methods. In addition, sonication extraction methods were developed and validated for two groups of compounds (volatile and semivolatile). The optimum conditions of the extraction methods were obtained through regression models generated from designs of experiment (DOE). The UFGC-FID methods provided determinations in 5 min and presented good linearity (R2 > 0.997), selectivity (Rs > 1.00), sensitivity (γ > 0.02 mg kg− 1), precision (repeatability <7%), and accuracy (recoveries between 70% and 130%). Moreover, the BTEX solutions prepared in ethanol showed great intermediate precision (RSD < 1%) when stored at −19 °C over a period of 15 days. The optimized sonication method provided extractions in 13.5 min per sample and presented relative standard deviations (RSD) <7% and recoveries between 70% and 130%. Therefore, the environmental monitoring can be a faster, lower costly, and more environmentally friendly process through UFGC-FID associated with sonication extraction methods.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Fundação para o Desenvolvimento da UNESP (FUNDUNESP)Analytical Chemistry Department Institute of Chemistry São Paulo State University (UNESP), Rua Prof. Francisco Degni 55Engineering and Exacts Department Palotina Sector Federal University of Paraná (UFPR), Rua Pioneiro, 2153, Jardim DallasCenter for Monitoring and Research of the Quality of Fuels Biofuels Crude Oil and Derivatives (Cempeqc) Institute of Chemistry São Paulo State University (UNESP), Prof. Francisco Degni 55Analytical Chemistry Department Institute of Chemistry São Paulo State University (UNESP), Rua Prof. Francisco Degni 55Center for Monitoring and Research of the Quality of Fuels Biofuels Crude Oil and Derivatives (Cempeqc) Institute of Chemistry São Paulo State University (UNESP), Prof. Francisco Degni 55Universidade Estadual Paulista (Unesp)Universidade Federal do Paraná (UFPR)Nespeca, Maurílio Gustavo [UNESP]Sequinel, Rodrigode Oliveira, José Eduardo [UNESP]2019-10-06T16:42:20Z2019-10-06T16:42:20Z2019-11-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.microc.2019.104163Microchemical Journal, v. 150.0026-265Xhttp://hdl.handle.net/11449/18948810.1016/j.microc.2019.1041632-s2.0-85070227023Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengMicrochemical Journalinfo:eu-repo/semantics/openAccess2021-10-23T20:18:47Zoai:repositorio.unesp.br:11449/189488Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T14:39:17.902668Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
title |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
spellingShingle |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil Nespeca, Maurílio Gustavo [UNESP] Environmental monitoring Monocyclic aromatic hydrocarbons Soil contamination Sonication Total petroleum hydrocarbons Ultra-fast gas chromatography |
title_short |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
title_full |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
title_fullStr |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
title_full_unstemmed |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
title_sort |
Ultra-fast gas chromatographic with flame ionization detector (UFGC-FID) and sonication methods for determination of total petroleum hydrocarbons fractions and BTEX in soil |
author |
Nespeca, Maurílio Gustavo [UNESP] |
author_facet |
Nespeca, Maurílio Gustavo [UNESP] Sequinel, Rodrigo de Oliveira, José Eduardo [UNESP] |
author_role |
author |
author2 |
Sequinel, Rodrigo de Oliveira, José Eduardo [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Federal do Paraná (UFPR) |
dc.contributor.author.fl_str_mv |
Nespeca, Maurílio Gustavo [UNESP] Sequinel, Rodrigo de Oliveira, José Eduardo [UNESP] |
dc.subject.por.fl_str_mv |
Environmental monitoring Monocyclic aromatic hydrocarbons Soil contamination Sonication Total petroleum hydrocarbons Ultra-fast gas chromatography |
topic |
Environmental monitoring Monocyclic aromatic hydrocarbons Soil contamination Sonication Total petroleum hydrocarbons Ultra-fast gas chromatography |
description |
In the environmental monitoring at gas stations, total petroleum hydrocarbons (TPH) and aromatic hydrocarbons, such as benzene, toluene, ethylbenzene, and xylenes (BTEX), are determined to verify soil contamination. However, the determination by conventional GC requires a long time of analysis and expensive autosamplers for volatile compounds extraction. Therefore, the present work aimed at the development, validation, and application of ultra-fast chromatographic methods with flame ionization detector (UFGC-FID) capable of determining the TPH fractions (GRO, DRO, and ORO) and BTEX in a faster and less costly way than conventional methods. In addition, sonication extraction methods were developed and validated for two groups of compounds (volatile and semivolatile). The optimum conditions of the extraction methods were obtained through regression models generated from designs of experiment (DOE). The UFGC-FID methods provided determinations in 5 min and presented good linearity (R2 > 0.997), selectivity (Rs > 1.00), sensitivity (γ > 0.02 mg kg− 1), precision (repeatability <7%), and accuracy (recoveries between 70% and 130%). Moreover, the BTEX solutions prepared in ethanol showed great intermediate precision (RSD < 1%) when stored at −19 °C over a period of 15 days. The optimized sonication method provided extractions in 13.5 min per sample and presented relative standard deviations (RSD) <7% and recoveries between 70% and 130%. Therefore, the environmental monitoring can be a faster, lower costly, and more environmentally friendly process through UFGC-FID associated with sonication extraction methods. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T16:42:20Z 2019-10-06T16:42:20Z 2019-11-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.microc.2019.104163 Microchemical Journal, v. 150. 0026-265X http://hdl.handle.net/11449/189488 10.1016/j.microc.2019.104163 2-s2.0-85070227023 |
url |
http://dx.doi.org/10.1016/j.microc.2019.104163 http://hdl.handle.net/11449/189488 |
identifier_str_mv |
Microchemical Journal, v. 150. 0026-265X 10.1016/j.microc.2019.104163 2-s2.0-85070227023 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Microchemical Journal |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128394888478720 |