1999

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, Talanta, 50 (1999): 967.

LOPES, G. S.; NOGUEIRA, A. R. A.; OLIVEIRA, P. V. et al. Determination of cobalt in animal feces by tungsten coil atomic absorption spectrophotometry, Anal. Sci., 15 (2) (1999): 165.

LUCCAS, P. O; NÓBREGA, J. A.; OLIVEIRA, P. V. & KRUG, F. J. Atomization of Al in a tungsten coil electrothermal atomic absorption spectrometer, Talanta, 49 (1999): 695.

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, Talanta, 49 (1999): 537.

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, Fresenius J. Anal. Chem., 364 (1999): 273.

NEIRA, J. Y. & NÓBREGA, J. A. Automation in flow injection analysis: simultaneous determination of chloride and total iron, Lab. Rob. Autom., 11 (1999): 260.

NÓBREGA, J. A. Book review - solid sample analysis: direct and slurry sampling using GF-AAS and ETV-ICP, ICP Inf. Newsl., 24 (1999): 972.

NÓBREGA, J. A. II Workshop on methods for sample preparation - report, ICP Inf. Newsl., 24 (1999): 831.

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. Analyst (London), v. 124, p. 1873-1877, 1999.

OLIVEIRA, A. F.; NÓBREGA, J. A. & FATIBELLO-FILHO, O. Asynchronous merging zones system: spectrophotometric determination of Fe(II) and Fe(III) in pharmaceuticals products, Talanta, 49 (1999): 505.

QUINÁIA, S. P. & NÓBREGA, J. A. A critical evaluation of the graphite furnace conditions for the determination of Cr in urine, Fresenius J. Anal. Chem., 364 (1999): 333.

QUINÁIA, S. P. & NÓBREGA, J. A. Direct determination of Cr in gelatine by graphite furnace atomic absorption spectrometry, Food Chem., 64 (1999): 429.

ROCHA, F. R. P. e Nóbrega, J. A. Flow injection analysis in the undergraduate laboratory experiment, Chem. Educ., 4 (1999): 1.

SILVA, F. V.; SOUZA, G. B.; FERRAZ, L. F. M. et al.  Determination of chloride in milk using sequential injection automated conductimetry, Food. Chem., 67 (3) (1999): 317.