Use of factorial design for optimization of microwave-assisted digestion of lubricating oil
Autor(a) principal: | |
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Data de Publicação: | 2005 |
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/5069 |
Resumo: | p. 1269-1274 |
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Costa, Letícia M.Ferreira, Sergio Luis CostaNogueira, Ana Rita de AraujoNóbrega, Joaquim de AraújoCosta, Letícia M.Ferreira, Sergio Luis CostaNogueira, Ana Rita de AraujoNóbrega, Joaquim de Araújo2012-01-09T15:21:41Z2012-01-09T15:21:41Z20050103-5053http://www.repositorio.ufba.br/ri/handle/ri/5069v. 16, n. 6.p. 1269-1274A eficiência dos procedimentos de digestão em fornos de microondas pode ser afetada por parâmetros experimentais críticos, como massa de amostra, volume da mistura ácida, potência de radiação aplicada e o tempo da digestão. Neste trabalho foi proposta a utilização de um planejamento fatorial completo para a otimização da digestão de amostras de óleo lubrificante em forno de microondas, com recipientes fechados. O teor de carbono residual e a acidez final das soluções foram determinados em todos os digeridos provenientes do forno de microondas, como resposta ao planejamento fatorial. Cálcio, Cu, Mg, P, S e Zn foram determinados nos digeridos ácidos e a exatidão foi checada utilizando-se um material de referência certificado, NIST SRM 1848-Lubricating Oil Additive Package. Os resultados encontrados para as amostras e para o material de referência certificado estão em concordância a um nível de confiança de 95%. Tempo de digestão, potência de radiação aplicada, massa de amostra e as interações entre essas variáveis foram significativas (P < 5%), aplicando-se a análise de variância (ANOVA).Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-01-09T15:21:41Z No. of bitstreams: 1 27076.pdf: 152813 bytes, checksum: 5b10aa7be7b6036f5204070a7912cf9e (MD5)Made available in DSpace on 2012-01-09T15:21:41Z (GMT). No. of bitstreams: 1 27076.pdf: 152813 bytes, checksum: 5b10aa7be7b6036f5204070a7912cf9e (MD5) Previous issue date: 2005São Paulohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000700027&lng=en&nrm=isoreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAFactorial designMicrowave-assisted digestionLubricating oilMetalsUse of factorial design for optimization of microwave-assisted digestion of lubricating oilJournal of the Brazilian Chemical Societyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleenginfo:eu-repo/semantics/openAccessLICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/5069/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52ORIGINAL27076.pdf27076.pdfapplication/pdf152813https://repositorio.ufba.br/bitstream/ri/5069/1/27076.pdf5b10aa7be7b6036f5204070a7912cf9eMD51TEXT27076.pdf.txt27076.pdf.txtExtracted texttext/plain25189https://repositorio.ufba.br/bitstream/ri/5069/3/27076.pdf.txt46f8bbb622022f312becab8dc117ef7bMD53ri/50692022-07-05 14:03:44.399oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:44Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
dc.title.alternative.pt_BR.fl_str_mv |
Journal of the Brazilian Chemical Society |
title |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
spellingShingle |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil Costa, Letícia M. Factorial design Microwave-assisted digestion Lubricating oil Metals |
title_short |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
title_full |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
title_fullStr |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
title_full_unstemmed |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
title_sort |
Use of factorial design for optimization of microwave-assisted digestion of lubricating oil |
author |
Costa, Letícia M. |
author_facet |
Costa, Letícia M. Ferreira, Sergio Luis Costa Nogueira, Ana Rita de Araujo Nóbrega, Joaquim de Araújo |
author_role |
author |
author2 |
Ferreira, Sergio Luis Costa Nogueira, Ana Rita de Araujo Nóbrega, Joaquim de Araújo |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Costa, Letícia M. Ferreira, Sergio Luis Costa Nogueira, Ana Rita de Araujo Nóbrega, Joaquim de Araújo Costa, Letícia M. Ferreira, Sergio Luis Costa Nogueira, Ana Rita de Araujo Nóbrega, Joaquim de Araújo |
dc.subject.por.fl_str_mv |
Factorial design Microwave-assisted digestion Lubricating oil Metals |
topic |
Factorial design Microwave-assisted digestion Lubricating oil Metals |
description |
p. 1269-1274 |
publishDate |
2005 |
dc.date.issued.fl_str_mv |
2005 |
dc.date.accessioned.fl_str_mv |
2012-01-09T15:21:41Z |
dc.date.available.fl_str_mv |
2012-01-09T15:21:41Z |
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/5069 |
dc.identifier.issn.none.fl_str_mv |
0103-5053 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 16, n. 6. |
identifier_str_mv |
0103-5053 v. 16, n. 6. |
url |
http://www.repositorio.ufba.br/ri/handle/ri/5069 |
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 |
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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000700027&lng=en&nrm=iso |
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reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
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