Campo DC | Valor | Idioma |
dc.contributor.author | Costa, Letícia M. | - |
dc.contributor.author | Korn, Maria das Graças Andrade | - |
dc.contributor.author | Castro, Jacira T. | - |
dc.contributor.author | Santos, Wagna P. C. | - |
dc.contributor.author | Carvalho, Edivan V. | - |
dc.contributor.author | Nogueira, Ana Rita de Araujo | - |
dc.creator | Costa, Letícia M. | - |
dc.creator | Korn, Maria das Graças Andrade | - |
dc.creator | Castro, Jacira T. | - |
dc.creator | Santos, Wagna P. C. | - |
dc.creator | Carvalho, Edivan V. | - |
dc.creator | Nogueira, Ana Rita de Araujo | - |
dc.date.accessioned | 2011-11-28T13:20:12Z | - |
dc.date.available | 2011-11-28T13:20:12Z | - |
dc.date.issued | 2006 | - |
dc.identifier.issn | 0100-4042 | - |
dc.identifier.uri | http://www.repositorio.ufba.br/ri/handle/ri/4709 | - |
dc.description | p. 149-152,Jan/Feb. | pt_BR |
dc.description.abstract | The use of factorial design was evaluated for optimization of focused-microwave-assisted digestion of bean samples. Calcium, Fe, Mg, Mn and Zn percentual recoveries were determined in digestates after focused-microwave-assisted digestion according to factorial design procedures. A cavity microwave digestion was carried out to certify the elemental compositions obtained. The accuracy was checked using a standard reference material, the NIST SRM 8433 - Corn Bran. Results are in agreement with certified values at the 95% confidence limit when the Student t-test was used. Volumes of nitric and sulfuric acid, temperature, and the interplay between HNO3 and H2SO4 initial volumes were significant variables according to P-values in the analysis of variance (ANOVA). | pt_BR |
dc.language.iso | pt_BR | pt_BR |
dc.subject | Factorial design | pt_BR |
dc.subject | Bean | pt_BR |
dc.subject | Focused-microwave-assisted digestion | pt_BR |
dc.title | Planejamento fatorial aplicado à digestão de amostras de feijão assistida por radiação microondas | pt_BR |
dc.title.alternative | Química Nova | pt_BR |
dc.type | Artigo de Periódico | pt_BR |
dc.description.localpub | São Paulo | pt_BR |
dc.identifier.number | v. 29, n. 1. | pt_BR |
Aparece nas coleções: | Artigo Publicado em Periódico (Química)
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