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Química Nova
On-line version ISSN 1678-7064


Table of contents
Quím. Nova vol.20 no.1 São Paulo Jan./Feb. 1997

Zagatto, Elias A. G.

 ·  Application of exclusion chromatography and high resolution gas chromatography to coffee analysis
Moreira, R. F. A.; Trugo, L. C.; Maria, C. A. B. de

 ·  Characterization and catalytical properties of hzsm5 zeolite modified by niobium
Florentino, A. O.; Saeki, M. J.; Cartraud, P.; Magnoux, P.; Guisnet, M.

 ·  Electrochemical intercalation of hexilaminium cations into the layered compound 1T-TIS2
Wypych, Fernando; Gomes, Maria A. B.; Adad, Luciana B.; Denicoló, Ireno

 ·  [3+4]Cycloadditions via oxyallyl cations: applications in organic synthesis
Demuner, Antônio Jacinto; Barbosa, Luiz Cláudio de Almeida; Piló-Veloso, Dorila

 ·  Current improvement to the synthesis of pharmaceuticals by hydrofor-mylation reaction: part II
Botteghi, Carlo; Marchetti, Mauro; Del Ponte, Gino

 ·  Polysaccharide carbamate as chiral stationary phases for HPLC: development, applications and perspectives
Cass, Quezia B.; Tiritan, M. Elizabeth; Bassi, Ana Lúcia; Calafatti, Silvana A.; Degani, Ana Luiza G.

 ·  Activating agents of the hydrogen peroxide in the epoxidation of unfunctionalized alkenes
von Holleben, Maria Luiza Ambros; Schuch, Cristina Maria

 ·  Platinum-195 nuclear magnetic resonance of organometallic compounds
Ursini, Cleber Vinicius

 ·  Multichannel spectrophotometry and photodiode arrays
Raimundo Jr., Ivo M.; Pasquini, Celio

 Nota técnica
 ·  Microwave oven modifications for laboratory applications
Pecoraro, Édison; Davolos, Marian Rosaly; Jafelicci Jr., Miguel

 ·  Synthesis of Ziegler-Natta catalysts: some routes and their difficulties
Costa, Thaís H. S.; Costa, Marcos A. S.; Santa Maria, Luiz Claudio de; Coutinho, Fernanda M. B.; Pires, Neusa M. T.

 ·  Structural study of MoO3 and its crystal faces
Gesari, Susana; Irigoyen, Beatriz; Juan, Alfredo

 Assuntos gerais
 ·  Some historical aspects of the periodic classification of the chemical elements
Tolentino, Mario; Rocha-Filho, Romeu C.; Chagas, Aécio Pereira