Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.sab.2021.106253 http://hdl.handle.net/11449/221984 |
Resumo: | This work describes an analytical procedure to determination of trace amount of lanthanide and actinide chemistry elements (LAEs) in water samples by energy dispersive x-ray fluorescence spectrometry (EDXRF) with the prepare of the samples using simultaneous preconcentration procedure based on the dispersive liquid-liquid microextraction (DLLME). Critical study of the analytical procedure occurred the following way: ions of Eu, Er, Ho, Th, U and Yb presents in 5.0 mL of aqueous sample have been complexed with 2-(5-bromo-2-pyridylazo)-5-(diethylamino)-phenol (Br-PADAP) in a mixture contained solvents (disperser and extractant). After centrifugation, 30 μL of the sedimented organic phase has been removed and deposited on membrane disk and submitted to EDXRF analysis. The optimization step was performed by: i) screening factor with mixture design for the disperser solvent (acetone, acetonitrile and ethanol) and extractant solvent (carbon tetrachloride, trichlorethylene and 1,2-dichloroethane); ii) Box-Behnken design for the independents variables: pH, Br-PADAP concentration, volume of disperser solvent and volume of extractant solvent. The optimized conditions were: 500 μL of disperser solvent (ethanol), 60 μL extractant solvent (carbon tetrachloride and trichlorethylene, 1: 1 ratio), Br-PADAP 1.8 × 10−5 mol L−1 and pH 8.0. In these conditions, the procedure allows the determination of Eu, Ho, Er, Yb, Th and U with quantification limits of 10.5; 8.6; 4.3; 7.0; 6.6 and 1.1 μg L−1, respectively; preconcentration factor between 18 and 74, and precision (RSD%) below that 6%. Salting out effect, presence of other ions, and additions/recoveries of analytes in real samples was verified and the recovery values were between of 90 to 107%. Analytical method has been applied in waters samples and groundwater from uranium mining region. |
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Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spotActinidesDried spotLanthanidesLiquid phase microextractionMultivariate optimizationWater analysisX-ray fluorescence spectrometryThis work describes an analytical procedure to determination of trace amount of lanthanide and actinide chemistry elements (LAEs) in water samples by energy dispersive x-ray fluorescence spectrometry (EDXRF) with the prepare of the samples using simultaneous preconcentration procedure based on the dispersive liquid-liquid microextraction (DLLME). Critical study of the analytical procedure occurred the following way: ions of Eu, Er, Ho, Th, U and Yb presents in 5.0 mL of aqueous sample have been complexed with 2-(5-bromo-2-pyridylazo)-5-(diethylamino)-phenol (Br-PADAP) in a mixture contained solvents (disperser and extractant). After centrifugation, 30 μL of the sedimented organic phase has been removed and deposited on membrane disk and submitted to EDXRF analysis. The optimization step was performed by: i) screening factor with mixture design for the disperser solvent (acetone, acetonitrile and ethanol) and extractant solvent (carbon tetrachloride, trichlorethylene and 1,2-dichloroethane); ii) Box-Behnken design for the independents variables: pH, Br-PADAP concentration, volume of disperser solvent and volume of extractant solvent. The optimized conditions were: 500 μL of disperser solvent (ethanol), 60 μL extractant solvent (carbon tetrachloride and trichlorethylene, 1: 1 ratio), Br-PADAP 1.8 × 10−5 mol L−1 and pH 8.0. In these conditions, the procedure allows the determination of Eu, Ho, Er, Yb, Th and U with quantification limits of 10.5; 8.6; 4.3; 7.0; 6.6 and 1.1 μg L−1, respectively; preconcentration factor between 18 and 74, and precision (RSD%) below that 6%. Salting out effect, presence of other ions, and additions/recoveries of analytes in real samples was verified and the recovery values were between of 90 to 107%. Analytical method has been applied in waters samples and groundwater from uranium mining region.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado da BahiaFinanciadora de Estudos e ProjetosDepartment of Exact and Technological Sciences State University of Santa Cruz (UESC)Group of Applied Instrumental Analysis Department of Chemistry Federal University of São CarlosNational Institute of Energy and Environment Science and Technology Federal University of BahiaDepartment of Chemistry and Environmental Sciences IBILICE Paulista State University (UNESP), P.O. Box 136Department of Chemistry and Environmental Sciences IBILICE Paulista State University (UNESP), P.O. Box 136State University of Santa Cruz (UESC)Universidade Federal de São Carlos (UFSCar)Universidade Federal da Bahia (UFBA)Universidade Estadual Paulista (UNESP)Sá, Ívero P.Almeida, Ohana N.Lima, Daniel De C.da Silva, Erik G.P.Santos, Luana N.Luzardo, Francisco H.M.Velasco, Fermin G.Gonzalez, Mário H. [UNESP]Amorim, Fábio A.C.2022-04-28T19:41:39Z2022-04-28T19:41:39Z2021-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.sab.2021.106253Spectrochimica Acta - Part B Atomic Spectroscopy, v. 182.0584-8547http://hdl.handle.net/11449/22198410.1016/j.sab.2021.1062532-s2.0-85110535021Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengSpectrochimica Acta - Part B Atomic Spectroscopyinfo:eu-repo/semantics/openAccess2022-04-28T19:41:39Zoai:repositorio.unesp.br:11449/221984Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T19:41:39Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
title |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
spellingShingle |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot Sá, Ívero P. Actinides Dried spot Lanthanides Liquid phase microextraction Multivariate optimization Water analysis X-ray fluorescence spectrometry |
title_short |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
title_full |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
title_fullStr |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
title_full_unstemmed |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
title_sort |
Determination of lanthanide and actinide elements by energy dispersive x-ray fluorescence spectrometry applying DLLME preconcentration and dried spot |
author |
Sá, Ívero P. |
author_facet |
Sá, Ívero P. Almeida, Ohana N. Lima, Daniel De C. da Silva, Erik G.P. Santos, Luana N. Luzardo, Francisco H.M. Velasco, Fermin G. Gonzalez, Mário H. [UNESP] Amorim, Fábio A.C. |
author_role |
author |
author2 |
Almeida, Ohana N. Lima, Daniel De C. da Silva, Erik G.P. Santos, Luana N. Luzardo, Francisco H.M. Velasco, Fermin G. Gonzalez, Mário H. [UNESP] Amorim, Fábio A.C. |
author2_role |
author author author author author author author author |
dc.contributor.none.fl_str_mv |
State University of Santa Cruz (UESC) Universidade Federal de São Carlos (UFSCar) Universidade Federal da Bahia (UFBA) Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Sá, Ívero P. Almeida, Ohana N. Lima, Daniel De C. da Silva, Erik G.P. Santos, Luana N. Luzardo, Francisco H.M. Velasco, Fermin G. Gonzalez, Mário H. [UNESP] Amorim, Fábio A.C. |
dc.subject.por.fl_str_mv |
Actinides Dried spot Lanthanides Liquid phase microextraction Multivariate optimization Water analysis X-ray fluorescence spectrometry |
topic |
Actinides Dried spot Lanthanides Liquid phase microextraction Multivariate optimization Water analysis X-ray fluorescence spectrometry |
description |
This work describes an analytical procedure to determination of trace amount of lanthanide and actinide chemistry elements (LAEs) in water samples by energy dispersive x-ray fluorescence spectrometry (EDXRF) with the prepare of the samples using simultaneous preconcentration procedure based on the dispersive liquid-liquid microextraction (DLLME). Critical study of the analytical procedure occurred the following way: ions of Eu, Er, Ho, Th, U and Yb presents in 5.0 mL of aqueous sample have been complexed with 2-(5-bromo-2-pyridylazo)-5-(diethylamino)-phenol (Br-PADAP) in a mixture contained solvents (disperser and extractant). After centrifugation, 30 μL of the sedimented organic phase has been removed and deposited on membrane disk and submitted to EDXRF analysis. The optimization step was performed by: i) screening factor with mixture design for the disperser solvent (acetone, acetonitrile and ethanol) and extractant solvent (carbon tetrachloride, trichlorethylene and 1,2-dichloroethane); ii) Box-Behnken design for the independents variables: pH, Br-PADAP concentration, volume of disperser solvent and volume of extractant solvent. The optimized conditions were: 500 μL of disperser solvent (ethanol), 60 μL extractant solvent (carbon tetrachloride and trichlorethylene, 1: 1 ratio), Br-PADAP 1.8 × 10−5 mol L−1 and pH 8.0. In these conditions, the procedure allows the determination of Eu, Ho, Er, Yb, Th and U with quantification limits of 10.5; 8.6; 4.3; 7.0; 6.6 and 1.1 μg L−1, respectively; preconcentration factor between 18 and 74, and precision (RSD%) below that 6%. Salting out effect, presence of other ions, and additions/recoveries of analytes in real samples was verified and the recovery values were between of 90 to 107%. Analytical method has been applied in waters samples and groundwater from uranium mining region. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-08-01 2022-04-28T19:41:39Z 2022-04-28T19:41:39Z |
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.sab.2021.106253 Spectrochimica Acta - Part B Atomic Spectroscopy, v. 182. 0584-8547 http://hdl.handle.net/11449/221984 10.1016/j.sab.2021.106253 2-s2.0-85110535021 |
url |
http://dx.doi.org/10.1016/j.sab.2021.106253 http://hdl.handle.net/11449/221984 |
identifier_str_mv |
Spectrochimica Acta - Part B Atomic Spectroscopy, v. 182. 0584-8547 10.1016/j.sab.2021.106253 2-s2.0-85110535021 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Spectrochimica Acta - Part B Atomic Spectroscopy |
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_ |
1799964881631313920 |