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Adjustment of the expedite method for clay content determination in Rondônia soils. Author(s): SCHLINDWEIN, J. A.; MIOTTI, A. A.; FIORELI-PEREIRA, E. C.; PEQUENO, P. L. DE L.; BORTOLON, L.; MARCOLAN, A. L. Soil clay content is an important soil attribute and has been used to classification of phosphorus status in the soil in order to determinate the needing of phosphorus amounts to be applied to crops p... ... Repository: BDPA Publication year: 2011
Determination of contaminants in samples of organic and inorganic raw materials and mineral mixture: collaborative study. Author(s): SOUZA, G. B.; BÓCOLI, D. A.; CARRARO, C. I.; NOGUEIRA, A. R. de A. An inter-laboratory comparison was running focused on determining As, Cd, Cr, Hg, and Se in raw materials and mineral mixture. The test materials were commercially available calcitic limestone, copper... ... Repository: BDPA Publication year: 2023
Evaluation of different sample preparation procedures using chemometrics: comparison among photo-fenton reaction, microwave irradiation, and direct determination of minerals in fruit juices. Author(s): GROMBONI, C. F.; CARAPELLI, R.; FEREIRA FILHO, E. R.; NOGUEIRA, A. R. de A. In this work, an exploratory study about the mineral characteristic of some fruit juice (passion fruit, pineapple, orange, and grape) applying chemometric tools was made. The juices analyzed were sepa... ... Repository: BDPA Publication year: 2010
Evaluation of laser induced breakdown spectroscopy for multielemental determination in soils under sewage sludge application. Author(s): FERREIRA, E. C.; MILORI, D. M. B. P.; FERREIRA, E. J.; SANTOS, L. M. dos; MARTIN NETO, L.; NOGUEIRA, A. R. de A. Laser induced breakdown spectroscopy (LIBS) is an atomic emission spectroscopy technique for simple, direct and clean analysis, with great application potential in environmental sustainability studies... ... Repository: BDPA Publication year: 2011
Electroanalytical determination of ametryn using a silver amalgam electrode and a sorption study in soils under sugarcane plantation or native area. Author(s): SOARES, G. B.; SILVA, W. T. L. da; VAZ, C. M. P. Repository: BDPA Publication year: 2012
An equation to determine demand constrained pasture restoration area. Author(s): BARIONI, L. G.; SILVA, R. de O. The objective of this work is to develop an equation to determine pasture restoration area based on beef demand and to use it to analyze the responses of pasture restoration to their conditioning fact... ... Repository: BDPA Publication year: 2016
Development of alternative methods for determining soil organic matter. Author(s): SOUZA, D. M. de; MORAIS, P. A. de O.; MATSUSHIGE, I.; ROSA, L. A. Soil organic matter (SOM) is important to fertility, since it performs several functions such as cycling, water and nutrient retention and soil aggregation, in addition to being an energy requirement... ... Repository: BDPA Publication year: 2016
A convenient method for the determination of moisture in aromatic plants. Author(s): PIMENTEL, F. A.; CARDOSO, M. das G.; SALGADO, A. P. S. P.; AGUIAR, P. M.; SILVA, V. de F.; MORAIS, A. R. de; NELSON, D. L. A method is proposed for the determination of the moisture content of aromatic plants. This method is based on the co-distillation of the starting material in a modified Clevenger apparatus with four... ... Repository: BDPA Publication year: 2006
Flow injection system for hydrolysable tannin determination. Author(s): BOSSU, C. L.; FERREIRA, E. C.; CHAVES, F. S.; MENEZES, E. A.; NOGUEIRA, A. R. de A. A flow injection system was proposed to evaluate tIle transient product of a colorimetric reaction between hydrolysable tannin and potassium iodate (KIO3) solution. The system optimization was accompl... ... Repository: BDPA Publication year: 2006
Methods for determining the emission of greenhouse gases in swine farming. Author(s): NUNES, E. H.; PECORARO, C. A.; GONÇALVES, J. C.; MIRANDA, K. O. da S.; OLIVEIRA, P. A. V. de; BUMBIERIS JUNIOR, V. H.; TAVARES FILHO, J. ABSTRACT: Swine production systems contribute to emission of greenhouse gases (CO2, N2O, and CH4) and ammonia (NH3) into the atmosphere. Therefore, the objective of this study was to evaluate methods... ... Repository: BDPA Publication year: 2023

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