Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM
Autor(a) principal: | |
---|---|
Data de Publicação: | 2000 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://www.repositorio.ufba.br/ri/handle/ri/7820 |
Resumo: | Texto completo: acesso restrito. p.59–65 |
id |
UFBA-2_7f1dd338909af89e5f44cc1422de71ae |
---|---|
oai_identifier_str |
oai:repositorio.ufba.br:ri/7820 |
network_acronym_str |
UFBA-2 |
network_name_str |
Repositório Institucional da UFBA |
repository_id_str |
1932 |
spelling |
Melo, Maria H. A.Ferreira, Sergio Luis CostaSantelli, Ricardo ErthalMelo, Maria H. A.Ferreira, Sergio Luis CostaSantelli, Ricardo Erthal2013-01-11T15:33:30Z20000026-265Xhttp://www.repositorio.ufba.br/ri/handle/ri/7820v. 65, n. 1Texto completo: acesso restrito. p.59–65A procedure for determination of trace amounts of cadmium with on-line preconcentration has been proposed. It is based on chemical sorption of cadmium(II) ions onto a minicolumn packed with Amberlite XAD-2 resin loaded with TAM reagent. After being preconcentrated, cadmium was eluted by 0.50 mol l−1 hydrochloric acid solution and straight determined on-line by flame atomic absorption spectrometry. A time-based technique was used. Chemical and flow variables as well as concomitant ions were studied in the developed procedure. Detection limit (3σ, n=22) was 1.2 μg l−1 for the analytical curve within the range of 0–200.0 μg l−1. An enrichment factor of 108 and a retention efficiency of 75.6% were achieved for a sample volume of 5.2 ml (1 min preconcentration time). The precision of the continuous preconcentration method, calculated as the relative standard deviation in sample solutions containing 10 μg l−1 of cadmium was 4 and 9%, regarding repeatability and reproducibility, respectively. The selectivity of the proposed procedure was also evaluated. Results showed that iron(III), zinc(II), nickel(II), manganese(II), aluminum(III), copper(II), lead(II), cobalt(II), chromium(VI) (200 μg l−1 concentration) did not interfere during cadmium determination (10.0 μg l−1concentration). Achieved analytical results for rice flour (NIES 10c) and lobster hepatopancreas (TORT-1) standard reference materials were in good agreement with the certified values. A high sample throughput (40 samples h−1), preconcentration factor and simplicity are the main advantages in this analytical procedure.Submitted by Suelen Reis (suelen_suzane@hotmail.com) on 2013-01-11T15:33:30Z No. of bitstreams: 1 Melo.pdf: 124736 bytes, checksum: 015fbec19a2941d102ab0f8d059e6b75 (MD5)Made available in DSpace on 2013-01-11T15:33:30Z (GMT). No. of bitstreams: 1 Melo.pdf: 124736 bytes, checksum: 015fbec19a2941d102ab0f8d059e6b75 (MD5) Previous issue date: 2000http://dx.doi.org/10.1016/S0026-265X(00)00029-1reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBADetermination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAMMicrochemical Journalinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINALMelo.pdfMelo.pdfapplication/pdf124736https://repositorio.ufba.br/bitstream/ri/7820/1/Melo.pdf015fbec19a2941d102ab0f8d059e6b75MD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/7820/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXTMelo.pdf.txtMelo.pdf.txtExtracted texttext/plain18441https://repositorio.ufba.br/bitstream/ri/7820/3/Melo.pdf.txtcfa3c16b16f4b74f62de848892d30a37MD53ri/78202022-07-05 14:03:03.951oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:03Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
dc.title.alternative.pt_BR.fl_str_mv |
Microchemical Journal |
title |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
spellingShingle |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM Melo, Maria H. A. |
title_short |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
title_full |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
title_fullStr |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
title_full_unstemmed |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
title_sort |
Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM |
author |
Melo, Maria H. A. |
author_facet |
Melo, Maria H. A. Ferreira, Sergio Luis Costa Santelli, Ricardo Erthal |
author_role |
author |
author2 |
Ferreira, Sergio Luis Costa Santelli, Ricardo Erthal |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Melo, Maria H. A. Ferreira, Sergio Luis Costa Santelli, Ricardo Erthal Melo, Maria H. A. Ferreira, Sergio Luis Costa Santelli, Ricardo Erthal |
description |
Texto completo: acesso restrito. p.59–65 |
publishDate |
2000 |
dc.date.issued.fl_str_mv |
2000 |
dc.date.accessioned.fl_str_mv |
2013-01-11T15:33:30Z |
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://www.repositorio.ufba.br/ri/handle/ri/7820 |
dc.identifier.issn.none.fl_str_mv |
0026-265X |
dc.identifier.number.pt_BR.fl_str_mv |
v. 65, n. 1 |
identifier_str_mv |
0026-265X v. 65, n. 1 |
url |
http://www.repositorio.ufba.br/ri/handle/ri/7820 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.pt_BR.fl_str_mv |
http://dx.doi.org/10.1016/S0026-265X(00)00029-1 |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
instname_str |
Universidade Federal da Bahia (UFBA) |
instacron_str |
UFBA |
institution |
UFBA |
reponame_str |
Repositório Institucional da UFBA |
collection |
Repositório Institucional da UFBA |
bitstream.url.fl_str_mv |
https://repositorio.ufba.br/bitstream/ri/7820/1/Melo.pdf https://repositorio.ufba.br/bitstream/ri/7820/2/license.txt https://repositorio.ufba.br/bitstream/ri/7820/3/Melo.pdf.txt |
bitstream.checksum.fl_str_mv |
015fbec19a2941d102ab0f8d059e6b75 1b89a9a0548218172d7c829f87a0eab9 cfa3c16b16f4b74f62de848892d30a37 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA) |
repository.mail.fl_str_mv |
|
_version_ |
1808459355038679040 |