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Química Nova
Print version ISSN 0100-4042

 

Table of contents
Quím. Nova vol.21 no.3 São Paulo May/June 1998

Editorial
Freitas, Luiz Carlos Gomide

        · text in Portuguese     · pdf in Portuguese
  
 Artigo
  
 ·  When sulfate is present in high concentrations, it acts as an inhibitor in the production of methane (biogas formation) in anaerobic biodigestion processes
Prada, Sílvio Miranda; Guekezian, Márcia; Suárez-Iha, Maria Encarnación. V.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Determination of phosphorus in steel samples by graphite furnace atomic absorption spectrometry
Curtius, Adilson José

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Quantium theoretical model for the physical adsorption of He by solid Xe
Morgon, Nelson Henrique; Soares, Álvaro Guedes

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Thermal analyasis kinetics for non-isothermal reactions of solids
Pimentel, André Silva; Arbilla, Graciela

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Selective hydrolysis of carboxyamides of asparagine and glutamine residues of collagen: preparation and characterization of anionic collagen matrices for biomaterial applications
Lacerda, Cristina; Plepis, Ana Maria de Guzzi; Goissis, Gilberto

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Discrepancies over the onset of surfactant monomer aggregation interpreted by fluorescence, conductivity and surface tension methods
Costa, Maria de Fátima Carvalho; Froehner, Sandro José; Ruzza, Ângelo Adolfo; Santos, Sônia de Fátima; Zanette, Dino

        · abstract in English     · text in English     · pdf in English
  
 ·  Physical and chemical characterization of vermicompost from bovine manure and evaluation of competitive retention of copper and zinc
Lamim, Soraida Sozzi Miguel; Jordão, Cláudio Pereira; Brune, Walter; Pereira, José Luiz; Bellato, Carlos Roberto

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Anodic niobium oxide films: electrochromic effect and electrointercalation reaction kinetics
Maranhão, Silvanna L. de Albuquerque; Torresi, Roberto M.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Revisão
  
 ·  Simultaneous determinations of nickel and cobalt: a review
Antunes, Patrícia Alexandra; Breviglieri, Susete Trazzi; Chierice, Gilberto Orivaldo; Cavalheiro, Éder Tadeu Gomes

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Layered double hydroxides: structure, synthesis, properties and applications
Crepaldi, Eduardo Luis; Valim, João Barros

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Divulgação
  
 ·  Approaches in asymmetric synthesis
Pinheiro, Sergio; Ferreira, Vítor F.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Mechanism reactions of photodegradation of organic compounds catalyzed by TiO2
Ziolli, Roberta Lourenço; Jardim, Wilson F.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  The chemistry of peroxynitrite, a biological toxin
Koppenol, W. H.

        · abstract in English     · text in English     · pdf in English
  
 Nota técnica
  
 ·  Phosphorescence lifetime in polymer relaxation studies: phase resolution method
Talhavini, M.; Atvars, T. D. Z.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Molecules in three dimensions: a stereoscope for the personal computer
Constantino, Mauricio Gomes; Silva, Gil Valdo José da; Pelisson, Marcelo Miguel Martins

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  The ground fault circuit interrupter and its utility in the chemical laboratory
Li, Rosamaria Wu Chia; Gruber, Jonas; Lucca, Marco Antonio de; Lisboa, Alcides S.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  The application of a new temperature controllable spectroelectrochemical cell to the study of electrochromic polymers
Härtinger, Stefan; Machado, Dirnei Aparecido; De Paoli, Marco-A.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Controlled atmosphere system for gas sensors characterization
Andrade, Ricardo L. T.; Lindino, Cleber A.; Bulhões, Luis Otavio de Sousa

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 Assuntos gerais
  
 ·  Was there any science in eighteenth-century Brazil?
Filgueiras, Carlos A. L.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Degradation of the surface of a metasilicate glass due to atmosphere moisture
Ziemath, Ervino Carlos

        · abstract in English     · text in English     · pdf in English
  
 ·  Study of the optical properties of TeO2-PbO-TiO2 glass system
Cuevas, Raul F.; Paula, Ana M. de; Cesar, Carlos L.; Barbosa, Luiz C.; Alves, Oswaldo L.

        · abstract in English     · text in English     · pdf in English
  
 ·  Caracterization of OF Nb2O5 thin films with electrochromic properties
Avellaneda, C. O.; Aegerter, M. A.; Pawlicka, A.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Stabilization of fluoroindate glasses by magnesium fluoride and other heavy metal fluorides
Costa, B. J.; Soufiane, A.; Messaddeq, Y.

        · abstract in English     · text in English     · pdf in English
  
 ·  New compositions of fluoroindate glasses with higher chemical resistance
Costa, B. J.; Soufiane, A.; Messaddeq, Y.

        · abstract in English     · text in English     · pdf in English
  
 ·  Generation and control of the primary light colors in glasses for full color devices
Silva, José Expedito C.; Malta, Oscar L.; Sá, Gilberto F. de; Santa-Cruz, Petrus A.

        · abstract in English     · text in Portuguese     · pdf in Portuguese
  
 ·  Optical characterization of sol-gel glasses derived from Eu3+ complex-forming precursors
Costa, Vilma C.; Vasconcelos, Wander L.; Bray, Kevin L.

        · abstract in English     · text in English     · pdf in English