Spectrophotometric determination of zinc in copper-base alloys with TAN
Autor(a) principal: | |
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Data de Publicação: | 1995 |
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/8500 |
Resumo: | Texto completo: acesso restrito. p.123-129 |
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Ferreira, Sergio Luis CostaAraújo, Neyla Margarida Lopo deSantos, Adriana B.Dantas, Alailson FalcãoCosta, Antonio Celso SpinolaFerreira, Sergio Luis CostaAraújo, Neyla Margarida Lopo deSantos, Adriana B.Dantas, Alailson FalcãoCosta, Antonio Celso Spinola2013-02-18T18:02:01Z19950026-3672http://www.repositorio.ufba.br/ri/handle/ri/8500v. 118, n. 1-2Texto completo: acesso restrito. p.123-129TAN reacts with zinc(II) forming a red complex with composition 1:2 Zn(II)-TAN and absorption maximum at 582 nm. Zinc can be determined with this reagent in the presence of Triton X-100, in the pH range 6.20-8.00 with a molar absorptivity of 4.5×104 l/mol/cm Beer's Law was obeyed up to least 1.55 μg/ml. Copper interference was eliminated with a mixture of thiosulfate and ascorbic acid and nickel separated by precipitation with dimethylglyoxime. The proposed method was used for zinc determination in several copper-base alloys and the results of analysis in comparison with certified values indicated that the procedure was accurate and precise. A derivative procedure is also proposed, allowing zinc determination with high sensitivity (5-400 ng/ml).Submitted by Suelen Reis (suelen_suzane@hotmail.com) on 2013-02-18T18:02:01Z No. of bitstreams: 1 Ferreira.pdf: 820345 bytes, checksum: a7be2b9d41efcbd4b7dbefc68394f8dd (MD5)Made available in DSpace on 2013-02-18T18:02:01Z (GMT). No. of bitstreams: 1 Ferreira.pdf: 820345 bytes, checksum: a7be2b9d41efcbd4b7dbefc68394f8dd (MD5) Previous issue date: 1995http://dx.doi.org/10.1007/BF01242235reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAzinc1-(2-thiazolylazo)-2-naphtholspectrophotometryderivative spectrophotometrycopper-base alloysSpectrophotometric determination of zinc in copper-base alloys with TANMicrochimica Actainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINALFerreira.pdfFerreira.pdfapplication/pdf820345https://repositorio.ufba.br/bitstream/ri/8500/1/Ferreira.pdfa7be2b9d41efcbd4b7dbefc68394f8ddMD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/8500/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXTFerreira.pdf.txtFerreira.pdf.txtExtracted texttext/plain16413https://repositorio.ufba.br/bitstream/ri/8500/3/Ferreira.pdf.txtb0cbccc0ffc693e96b6b6a66751eb3e5MD53ri/85002022-07-05 14:03:01.843oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:01Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
dc.title.alternative.pt_BR.fl_str_mv |
Microchimica Acta |
title |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
spellingShingle |
Spectrophotometric determination of zinc in copper-base alloys with TAN Ferreira, Sergio Luis Costa zinc 1-(2-thiazolylazo)-2-naphthol spectrophotometry derivative spectrophotometry copper-base alloys |
title_short |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
title_full |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
title_fullStr |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
title_full_unstemmed |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
title_sort |
Spectrophotometric determination of zinc in copper-base alloys with TAN |
author |
Ferreira, Sergio Luis Costa |
author_facet |
Ferreira, Sergio Luis Costa Araújo, Neyla Margarida Lopo de Santos, Adriana B. Dantas, Alailson Falcão Costa, Antonio Celso Spinola |
author_role |
author |
author2 |
Araújo, Neyla Margarida Lopo de Santos, Adriana B. Dantas, Alailson Falcão Costa, Antonio Celso Spinola |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Ferreira, Sergio Luis Costa Araújo, Neyla Margarida Lopo de Santos, Adriana B. Dantas, Alailson Falcão Costa, Antonio Celso Spinola Ferreira, Sergio Luis Costa Araújo, Neyla Margarida Lopo de Santos, Adriana B. Dantas, Alailson Falcão Costa, Antonio Celso Spinola |
dc.subject.por.fl_str_mv |
zinc 1-(2-thiazolylazo)-2-naphthol spectrophotometry derivative spectrophotometry copper-base alloys |
topic |
zinc 1-(2-thiazolylazo)-2-naphthol spectrophotometry derivative spectrophotometry copper-base alloys |
description |
Texto completo: acesso restrito. p.123-129 |
publishDate |
1995 |
dc.date.issued.fl_str_mv |
1995 |
dc.date.accessioned.fl_str_mv |
2013-02-18T18:02:01Z |
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/8500 |
dc.identifier.issn.none.fl_str_mv |
0026-3672 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 118, n. 1-2 |
identifier_str_mv |
0026-3672 v. 118, n. 1-2 |
url |
http://www.repositorio.ufba.br/ri/handle/ri/8500 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
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openAccess |
dc.source.pt_BR.fl_str_mv |
http://dx.doi.org/10.1007/BF01242235 |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
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Universidade Federal da Bahia (UFBA) |
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UFBA |
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