Thermogravimetric study of the oxidation kinetics of copper
Autor(a) principal: | |
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Data de Publicação: | 1994 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/198810 |
Resumo: | The oxidation kinetics of copper in air has been studied at various temperatures in the range 500 oC to 924 oC by thermogravimetry. In that range of temperatures the oxidation leads to copper I oxide and the system shows diffusion controlled kinetics according to Wagner's parabolic law. Plots of the square of the variation of the sample weight as a function o f time show a good linear correlation and allow the rate constant to be deternlined Experiments at various temperatures confirm that the system exhibits an Arrhenius behaviour and the frequency factor as well as the activation energy have been calculated |
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Schifino, JoseAndrade, Mateus Antonio Gubert2019-09-05T02:33:36Z19940104-5431http://hdl.handle.net/10183/198810000258508The oxidation kinetics of copper in air has been studied at various temperatures in the range 500 oC to 924 oC by thermogravimetry. In that range of temperatures the oxidation leads to copper I oxide and the system shows diffusion controlled kinetics according to Wagner's parabolic law. Plots of the square of the variation of the sample weight as a function o f time show a good linear correlation and allow the rate constant to be deternlined Experiments at various temperatures confirm that the system exhibits an Arrhenius behaviour and the frequency factor as well as the activation energy have been calculatedapplication/pdfengSouthern brazilian journal of chemistry. Vol. 2, no. 2 (Dec. 1994), p. 33-40Oxidação : CobreAnálise termogravimétricaCinética químicaThermogravimetric study of the oxidation kinetics of copperinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/otherinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT000258508.pdf.txt000258508.pdf.txtExtracted Texttext/plain11430http://www.lume.ufrgs.br/bitstream/10183/198810/2/000258508.pdf.txtdc6ed76f84477c95ace7f70b40a01a2eMD52ORIGINAL000258508.pdfTexto completo (inglês)application/pdf532528http://www.lume.ufrgs.br/bitstream/10183/198810/1/000258508.pdf8da8936b913f0f7dcd8ba3f4e077b862MD5110183/1988102019-09-06 02:33:01.69108oai:www.lume.ufrgs.br:10183/198810Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2019-09-06T05:33:01Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Thermogravimetric study of the oxidation kinetics of copper |
title |
Thermogravimetric study of the oxidation kinetics of copper |
spellingShingle |
Thermogravimetric study of the oxidation kinetics of copper Schifino, Jose Oxidação : Cobre Análise termogravimétrica Cinética química |
title_short |
Thermogravimetric study of the oxidation kinetics of copper |
title_full |
Thermogravimetric study of the oxidation kinetics of copper |
title_fullStr |
Thermogravimetric study of the oxidation kinetics of copper |
title_full_unstemmed |
Thermogravimetric study of the oxidation kinetics of copper |
title_sort |
Thermogravimetric study of the oxidation kinetics of copper |
author |
Schifino, Jose |
author_facet |
Schifino, Jose Andrade, Mateus Antonio Gubert |
author_role |
author |
author2 |
Andrade, Mateus Antonio Gubert |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Schifino, Jose Andrade, Mateus Antonio Gubert |
dc.subject.por.fl_str_mv |
Oxidação : Cobre Análise termogravimétrica Cinética química |
topic |
Oxidação : Cobre Análise termogravimétrica Cinética química |
description |
The oxidation kinetics of copper in air has been studied at various temperatures in the range 500 oC to 924 oC by thermogravimetry. In that range of temperatures the oxidation leads to copper I oxide and the system shows diffusion controlled kinetics according to Wagner's parabolic law. Plots of the square of the variation of the sample weight as a function o f time show a good linear correlation and allow the rate constant to be deternlined Experiments at various temperatures confirm that the system exhibits an Arrhenius behaviour and the frequency factor as well as the activation energy have been calculated |
publishDate |
1994 |
dc.date.issued.fl_str_mv |
1994 |
dc.date.accessioned.fl_str_mv |
2019-09-05T02:33:36Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/other |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/198810 |
dc.identifier.issn.pt_BR.fl_str_mv |
0104-5431 |
dc.identifier.nrb.pt_BR.fl_str_mv |
000258508 |
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0104-5431 000258508 |
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http://hdl.handle.net/10183/198810 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Southern brazilian journal of chemistry. Vol. 2, no. 2 (Dec. 1994), p. 33-40 |
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openAccess |
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Repositório Institucional da UFRGS |
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Repositório Institucional da UFRGS |
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