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Chemical speciation of hexavalent chromium in organic fertilizer by LC-ICP-MS and spectrophotometry. Author(s): SÁ, I. P.; BANHOS, S.; ANDRADE, M. S.; NHAMUE, P. F.; NOGUEIRA, A. R. de A. Normative Instruction n. 7 of 04/12/2016 of the Ministry of Agriculture, Livestock and Food Supply (MAPA) defines the maximum values of contaminants allowed in organic fertilizers and soil conditioner... ... Repository: BDPA Publication year: 2023
Acute Toxicity by Water Containing Hexavalent or Trivalent Chromium in Native Brazilian Fish, Piaractus mesopotamicus: Anatomopathological Alterations and Mortality. Author(s): CASTRO, M. P.; MORAES, F. R. de; FUJIMOTO, R. Y.; CRUZ, C. da; BELO, M. A. de A.; MORAES, J. R. E. de This study evaluated the toxicity of hexavalent and trivalent compounds of chromium to the pacu, Piaractus mesopotamicus, in acute exposures of 96 h through mortality and histopathological responses.... ... Repository: BDPA Publication year: 2014
Especiação redox de cromo em solo acidentalmente contaminado com solução sulfocrômica. Author(s): MATOS, W. O.; NÓBREGA, J. de A.; SOUZA, G. B. de; NOGUEIRA, A. R. de A. Determination of Cr(VI) and Cr(III) was studied in soil samples accidentally contaminated with sulphochromic solution. Molecular absorption spectrophotometry based on the diphenylcarbazide method was... ... Repository: BDPA Publication year: 2008
Chromium carbochelate dietary supplementation favored the glucocorticoid response during acute inflammation of Piaractus mesopotamicus. Author(s): CASTRO, M. P. de; CLAUDIANO, G. S.; BORTOLUZZI, N. L.; GARRIDO, E.; FUJIMOTO, R. Y.; BELO, M. A. A.; SHIMADA, M. T.; MORAES, J. R. E.; MORAES, F. R. Repository: BDPA Publication year: 2014
A factorial design applied to the study of chromium toxicity on the glutathione levels of Brachiaria brizantha and Brachiaria ruziziensis seedlings. Author(s): MARQUES, R.; OLIVEIRA, M. A. de L.; REIS, C. R. G. dos; KOPP, M. M.; PASSOS, L. P. Chromium toxicity in plants is observed at multiple levels, from reduced yield, through effects on leaf and root growth, to inhibition on enzymatic activities and mutagenesis. Repository: BDPA Publication year: 2015
Leather-based fertilizers from Personal Protective Equipment (PPE) reverse logistics: Technical efficiency and environmental safety. Author(s): MARTINAZZO, R.; MULLER, C. A.; TEIXEIRA, L. C.; STUMPF, L.; ANTUNES, w. r.; METZ, L. E. G.; VALGAS, R. A.; BAMBERG, A. L.; SILVEIRA, C. A. P. Agriculture and industry are seeking healthy food and enough goods to meet the global demand without causing environmental impacts, which motivates the search for sustainable and eco-efficient technol... ... Repository: BDPA Publication year: 2023
Avaliação da presença de metais pesados em nove méis produzidos e comercializados no Distrito Federal. Author(s): ROSA-CAMPOS, A. A.; ROCHA, J. E. da S.; BORGO, L. A.; SILVA, M. S. da Resumo: O mel brasileiro é produzido principalmente por abelhas africanizadas a partir do néctar ou da secreção das plantas e, devido às suas características genéticas dessas espécies de abelhas, disp... ... Repository: BDPA Publication year: 2013
Chromium speciation in organic fertilizer by cloud point extraction and optimization through experimental Doehlert design as support for legislative aspects. 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
Avaliação de alternativas para o tratamento de resíduos contendo cromo Hexavalente. Author(s): GROMBONI, C. F.; MATOS, W. O.; DONATI, G. L.; NEVES, E. A.; NOGUEIRA, A. R. de A.; NÓBREGA, J. A. Repository: BDPA Publication year: 2006

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