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Author(s): GONZALEZ, M. H.; SOUZA, G. B. de; ARAÚJO, G. C. L.; NOGUEIRA, A. R. de A.

Repository: BDPA     Publication year: 2006

Author(s): VALE, M. do S.; ABREU, K. do V.; GOUVEIA, S. T.; LEITAO, R. C.; SANTAELLA, S. T.

Processos convencionais de tratamento de efluentes utilizam microrganismos vivos, o que sugere limitações relativas à toxicidade de metais para os microrganismos. O experimento consistiu em adicionar... ...

Repository: BDPA     Publication year: 2011

Author(s): SÁ, Í. P.; SOUZA, G. B. de; NOGUEIRA, A. R. de A.

Visando atender às exigências da Instrução Normativa (IN) n.7 do Ministério da Agricultura, Pecuária e Abastecimento (MAPA)[1] que determina limites máximos de Cr(VI) em fertilizantes orgânicos menore... ...

Repository: BDPA     Publication year: 2018

Author(s): SÁ, I. P.; MARTINHO, M. A. D.; NOGUEIRA, A. R. de A.

A Instrução Normativa n.7 de 12/04/2016 do Ministério da Agricultura, Pecuária e Abastecimento (MAPA) define os valores máximos de contaminantes admitidos em fertilizantes orgânicos e condicionadores... ...

Repository: BDPA     Publication year: 2017

Author(s): OLIVEIRA FILHO, E. C. de; MUNIZ, D. H. de F.; ANDRADE, L. R. M. de

Repository: BDPA     Publication year: 2019

Author(s): SÁ, I. P. de; SOUZA, G. B. de; NOGUEIRA, A. R. de A.

Brazilian and EU legislation establishes 2 mg kg?1 as the maximum limit of Cr(VI) in organic fertilizers. A procedure involving chromium speciation was developed. With this approach, the interference... ...

Repository: BDPA     Publication year: 2021

Author(s): GROMBONI, C. F.; DONATI, G. L; MATOS, W. O.; NEVES, E. F. A.; NOGUEIRA, A. R. de A.; NOBREGA, J. A.

Efficiency of metabisulfite and a commercial steel wool as reducing agents in the removal of Cr(VI) from wastewaters was evaluated. Chromium( VI) was converted to Cr(III), precipitated with NaOH, and... ...

Repository: BDPA     Publication year: 2010

Author(s): BONIN, M. de N.; SILVA, S. da L. e; GOMES, R. da C.; MENEZES, G. R. de O.; SURITA, L. M. A.; FAVERO, R.; FERRAZ, A. L. J.; FEIJO, G. L. D.

The Vis-NIRS is a non-destructive, simple, rapid, and safe method for evaluating meat quality. Studies using VIS/NIRS to predict the meat quality are based mainly in information collected on longissim... ...

Repository: BDPA     Publication year: 2018

Author(s): MOURA, C. V. R.; NERES, H. L. S.; LIMA, M. G.; MOURA, E. M.; MOITA NETO, J. M.; OLIVEIRA, J. E. de; LIMA, J. R. O.; STTOLIN, I. M.; ARAUJO, E. C. E.

In this work, it was described the preparation and the characterization of a solid acid catalyst obtained by the mixture of Cr/Al oxides (CRAL). The catalyst was tested in the transesterification reac... ...

Repository: BDPA     Publication year: 2015

Author(s): OLIVEIRA, J. F. de; BROSSARD, M.; CORAZZA, E. J.; MARCHAO, R. L.; VENDRAME, P. R. S.; BRITO, O. R.; GUIMARAES, M. de F.

Abstract: The objective of this study was to evaluate the relationships between the spectra in the Vis-NIR range and the soil P concentrations obtained from the P-M and P-rem extraction methods as wel... ...

Repository: BDPA     Publication year: 2015

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