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Journal of the Brazilian Chemical Society
On-line version ISSN 1678-4790


Table of contents
J. Braz. Chem. Soc. vol.10 no.6 São Paulo Nov./Dec. 1999

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 ·  An integrated approach of analytical chemistry
Guardia, Miguel de la

 ·  A new isoflavone isolated from Harpalyce brasiliana
Silva, Graça Lúcia da; Machado, Maria Iracema Lacerda; Matos, Francisco José de Abreu; Braz-Filho, Raimundo

 ·  Methylxanthines accumulation in Ilex species - caffeine and theobromine in erva-mate (Ilex paraguariensis) and other Ilex species
Reginatto, F.H.; Athayde, M.L.; Gosmann, G.; Schenkel, E.P.

 ·  Studies on polyphenols and lignin of Astronium urundeuva wood
Morais, Sérgio A.L.; Nascimento, Evandro A.; Queiroz, Carla R.A.A.; Piló-Veloso, Dorila; Drumond, Mariza G.

 ·  Oxidation of sulfur (IV) by oxygen in aqueous solution: role of some metal ions
Martins, Claudia R.; Cabral Neto, Clodovil A; Alves, Janete J.F.; Andrade, Jailson B. de

 ·  Thermal decomposition of some chemotherapic substances
Fernandes, Nedja Suely; Carvalho Filho, Marco Aurélio da Silva; Mendes, Roni Antônio; Ionashiro, Massao

 ·  Model compounds of humic acid and oxovanadium cations. Potentiometric titration and EPR spectroscopy studies
Mercê, Ana Lucia Ramalho; Spir, Ivana Helena Zamuner; Oruña Salmón, Maria José; Giannoni, Ricardo Alberto; Mangrich, Antonio Sálvio

 ·  Study of analytical on-line pyrolysis of oils from Macauba fruit (Acrocomia sclerocarpa M) via GC/MS
Fortes, I.C.P.; Baugh, P.J.

 ·  Amorphous palladium-silicon alloys for the oxidation of formic acid and formaldehyde. A voltammetric investigation
Correia, A.N.; Mascaro, L.H.; Machado, S.A.S.; Avaca, L.A.

 ·  Kinetic analysis of the gas-phase reactions of methacrolein with the OH radical in the presence of NOx
Pimentel, André Silva; Arbilla, Graciela

 ·  Complex oscillations in an electrically stimulated membrane model
Delgado, E.J.; Münster, A.F.

 ·  PS-HEMA latex fractionation by sedimentation and colloidal crystallization
Cardoso, André H.; Leite, Carlos A.P.; Galembeck, Fernando

 ·  Passivation of iron in solutions containing borate using rotating ring-disc measurements
Martini, Emilse M.A.; Muller, Iduvirges L.

 ·  Gamma radiation effects on polydimethylsilane stationary phases for use in packed-column gas chromatographic analyses
Adaime, M.B.; Santos, M.J.T.F. dos; Facchin, I.; Collins, K.E.; Collins, C.H.

 ·  Spectrophotometric determination of uranium using 2-(2- Thiazolylazo)-p-Cresol (TAC) in the presence of surfactants
Teixeira, Leonardo Sena Gomes; Costa, Antonio Celso Spínola; Ferreira, Sérgio Luís Costa; Freitas, Maria de Lourdes; Carvalho, Marcelo Souza de

 ·  HRGC-MS analysis of terpenoids from Maytenus ilicifolia and Maytenus aquifolium ("espinheira santa")
Cordeiro, Paulo J. M.; Vilegas, Janete H.Y.; Lanças, Fernando M.

 Letter to Editor
 ·  Why it is called monosegmented flow analysis
Pasquini, Celio

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