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Multivariate analysis of ICP OES calibration conditions for sequential extraction of metals ions. Author(s): NOGUEIRA, A. R. de A.; SOARES, F. S. C.; GROMBONI, C. F.; CARAPELLI, R.; FONTANARI, A. A. Sequential extraction procedures are normally applied to evaluate sediments, soils and plants. Repository: BDPA Publication year: 2009
Improved purification process of ?- and ?-tripsin isoforms by ion-exchange choromatography. Author(s): SANTOS, A. M. C.; OLIVEIRA, J. S. de; BITTAR, E. R.; SILVA, A. L. da; GUIA, M. L. dos; BEMQUERER, M. P.; SANTORO, M. M. Repository: BDPA Publication year: 2008
Time-domain NMR relaxometry as an alternative method for analysis of chitosan-paramagnetic ion interactions in solution. Author(s): KOCK, F. V. C.; MONARETTO, T.; COLNAGO, L. A. Repository: BDPA Publication year: 2017
Determination of nitrate in lettuce by ion chromatography after microwave water extraction. Author(s): NOVAES, H. B.; VAITSMAN, D. S.; DUTRA, P. B.; PEREZ, D. V. Lettuce is worldwide known as the most important vegetable. In this context, most farmers are searching new techniques for best quality products including hydropony. However, nitrate is of great conce... ... Repository: BDPA Publication year: 2009
Models to estimate potassium and nitrate in changes of ion concentration in soil solution in banana cultivation. Author(s): CAMPOS, M. S.; COELHO, E. F.; PEREIRA, B. L. da S.; MELO, D. M. de; SILVA, A. J. P. da; SIMOES, W. L. The adequate fertigation use bases on the application of nutrients by water according to crop needs throughout its cycle. The evaluation of nutrients in the soil solution may be faster if based upon s... ... Repository: BDPA Publication year: 2020
Experimental evaluation of the activity and selectivity of pure MnWO4 and doped with rare earth ions in the CO2 photoreduction process. Author(s): PEIXOTO, J. C.; NOGUEIRA, A. E.; DIAS, A.; TORRES, J. A.; CRUZ, J. C. da; RIBEIRO, C.; SIQUEIRA, K. P. F. The reduction of CO2 to produce useful carbon compounds offers a way to manage the emissions from various industrial sectors. However, selecting efficient systems remain a crucial issue, especially co... ... Repository: BDPA Publication year: 2022
Ion exchange resin membrane sensitivity analysis of selected parameters for soil nutrient extraction. Author(s): KROTH, P. L.; BORTOLON, L.; SCHLINDWEIN, J. A.; BORTOLON, E. S. O. The ion exchange resin method has received considerable attention as an alternative soil test method to evaluate plant available nutrients. This study sought to investigate the effect of changes to th... ... Repository: BDPA Publication year: 2016
Nb2 O5 Pellets with Inactive Biomass for Adsorption of Mn2+ Ions: Kinetic, Isothermal and Reuse Study. Author(s): GIRALDI, T. R.; COSTA, B. C. da; SILVA, M. M.; SANTOS, A. L. dos; PARIS, E. C.; FIGUEIREDO, A. T. de; RODRIGUEZ, R. P. This paper aims to explore the production of porous Nb2 O5 pellets by pressing and adding anaerobic biomass (sludge) in order to evaluate the microstructure porosity. The thermal treatment temperature... ... Repository: BDPA Publication year: 2023
Cellulose nanocrystals obtained from rice by-products and their binding potential to metallic ions. Author(s): ALBERNAZ, V. L.; JOANITTI, G. A.; LOPES, C. A. P.; SILVA, L. P. Repository: BDPA Publication year: 2015
Biodegradable sachets composed by starch: pectin for controlling/slow release of phosphorus ions from hydroxyapatite nanoparticles. Author(s): SCIENA, C. R.; MALAFATTI, J. O. D.; NEVES JUNIOR, L. F.; CARRA, M. A. S.; SANTOS, L. C.; CORREA, D. S.; MARCONCINI, J. M.; OLIVEIRA, C. R. de; PARIS, E. C. Repository: BDPA Publication year: 2015

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