CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA

CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA

In this paper, two simple ways of evaluating carbon steel sheet corrosion in a hydrochloric acid solution were presented as an experimental proposal for corrosion teaching. The first method is based on direct measurements of mass before and after corrosion tests. The second approach follows the prin...

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Main Authors: Marcos V. F. Silva, Marinalda C. Pereira, Eduardo N. Codaro, Heloisa A. Acciari
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2015-02-01
Series:Química Nova
Subjects:
chemistry education
carbon steel
corrosion
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422015000200293&lng=en&tlng=en
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spelling doaj-5721bac5756d44c5b02cfa6817bbb8942020-11-24T23:11:14ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642015-02-0138229329610.5935/0100-4042.20140313S0100-40422015000200293CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICAMarcos V. F. SilvaMarinalda C. PereiraEduardo N. CodaroHeloisa A. AcciariIn this paper, two simple ways of evaluating carbon steel sheet corrosion in a hydrochloric acid solution were presented as an experimental proposal for corrosion teaching. The first method is based on direct measurements of mass before and after corrosion tests. The second approach follows the principle of visual colorimetry by which soluble corrosion products are transformed into red complexes allowing monitoring of the products’ concentration according to increases in solution color intensity. Both methods proved able to determine the corrosion rate.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422015000200293&lng=en&tlng=enchemistry educationcarbon steelcorrosion
collection DOAJ
language English
format Article
sources DOAJ
author Marcos V. F. Silva
Marinalda C. Pereira
Eduardo N. Codaro
Heloisa A. Acciari
spellingShingle Marcos V. F. Silva
Marinalda C. Pereira
Eduardo N. Codaro
Heloisa A. Acciari
CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA
Química Nova
chemistry education
carbon steel
corrosion
author_facet Marcos V. F. Silva
Marinalda C. Pereira
Eduardo N. Codaro
Heloisa A. Acciari
author_sort Marcos V. F. Silva
title CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA
title_short CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA
title_full CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA
title_fullStr CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA
title_full_unstemmed CORROSÃO DO AÇO-CARBONO: UMA ABORDAGEM DO COTIDIANO NO ENSINO DE QUÍMICA
title_sort corrosão do aço-carbono: uma abordagem do cotidiano no ensino de química
publisher Sociedade Brasileira de Química
series Química Nova
issn 1678-7064
publishDate 2015-02-01
description In this paper, two simple ways of evaluating carbon steel sheet corrosion in a hydrochloric acid solution were presented as an experimental proposal for corrosion teaching. The first method is based on direct measurements of mass before and after corrosion tests. The second approach follows the principle of visual colorimetry by which soluble corrosion products are transformed into red complexes allowing monitoring of the products’ concentration according to increases in solution color intensity. Both methods proved able to determine the corrosion rate.
topic chemistry education
carbon steel
corrosion
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422015000200293&lng=en&tlng=en
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AT marinaldacpereira corrosaodoacocarbonoumaabordagemdocotidianonoensinodequimica
AT eduardoncodaro corrosaodoacocarbonoumaabordagemdocotidianonoensinodequimica
AT heloisaaacciari corrosaodoacocarbonoumaabordagemdocotidianonoensinodequimica
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