1999
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BRUHN, C. G.; SAN FRANCISCO, N. A.; NEIRA, J. Y. & NÓBREGA, J. A. Determination of Cd and Pb in mussels by tungsten coil electrothermal atomic absorption spectrometry (link externo), Talanta, 50 (1999): 967.
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LOPES, G. S.; NOGUEIRA, A. R. A.; OLIVEIRA, P. V. et al. Determination of cobalt in animal feces by tungsten coil atomic absorption spectrophotometry (link externo), Anal. Sci., 15 (2) (1999): 165.
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LUCCAS, P. O; NÓBREGA, J. A.; OLIVEIRA, P. V. & KRUG, F. J. Atomization of Al in a tungsten coil electrothermal atomic absorption spectrometer (link externo), Talanta, 49 (1999): 695.
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BRUHN, C. G.; NEIRA, J. Y.; VALENZUELA, G. D. & NÓBREGA, J. A. Determination of Cd in hair and blood by tungsten coil electrothermal atomic absorption spectrometry with chemical modifiers (link externo), Talanta, 49 (1999): 537.
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BRUHN, C. G.; NEIRA, J. Y.; GUZMÁN, M. Y.; DARDER, M. M. & NÓBREGA, J. A. Study of chemical modifiers for the determination of Cr in biological materials by tungsten coil electrothermal atomic absorption spectrometry (link externo) Fresenius J. Anal. Chem., 364 (1999): 273.
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NEIRA, J. Y. & NÓBREGA, J. A. Automation in flow injection analysis: simultaneous determination of chloride and total iron (link externo), Lab. Rob. Autom., 11 (1999): 260.
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NÓBREGA, J. A. Book review - solid sample analysis: direct and slurry sampling using GF-AAS and ETV-ICP, ICP Inf. Newsl., 24 (1999): 972.
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NÓBREGA, J. A. II Workshop on methods for sample preparation - report, ICP Inf. Newsl., 24 (1999): 831.
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PEREIRA FILHO, E. R.; Marco A. Z. Arruda . Mechanised flow system for on-line microwave digestion of food samples with off-line catalytic spectrophotometric determination of cobalt at ng l-1 levels (link externo). Analyst (London), v. 124, p. 1873-1877, 1999.
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OLIVEIRA, A. F.; NÓBREGA, J. A. & FATIBELLO-FILHO, O. Asynchronous merging zones system: spectrophotometric determination of Fe(II) and Fe(III) in pharmaceuticals products (link externo), Talanta, 49 (1999): 505.
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QUINÁIA, S. P. & NÓBREGA, J. A. A critical evaluation of the graphite furnace conditions for the determination of Cr in urine (link externo), Fresenius J. Anal. Chem., 364 (1999): 333.
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QUINÁIA, S. P. & NÓBREGA, J. A. Direct determination of Cr in gelatine by graphite furnace atomic absorption spectrometry (link externo), Food Chem., 64 (1999): 429.
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ROCHA, F. R. P. e Nóbrega, J. A. Flow injection analysis in the undergraduate laboratory experiment (link externo), Chem. Educ., 4 (1999): 1.
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SILVA, F. V.; SOUZA, G. B.; FERRAZ, L. F. M. et al. Determination of chloride in milk using sequential injection automated conductimetry (link externo), Food. Chem., 67 (3) (1999): 317.