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Química Nova
On-line version ISSN 1678-7064


Table of contents
Quím. Nova vol.24 no.1 São Paulo Jan./Feb. 2001

 ·  A robust calculation approach applied to the evaluation of hydrogen ion concentrations through potentiometric measurements in aqueous solutions
Suyama, Emílio; Paniago, Eucler B.; Carvalho, Sandra; Couto, Bráulio R. G. M.

 ·  Analysis of the alcohols, esters and carbonyl compounds in fusel oil samples
Pérez, Eduardo R.; Cardoso, Daniel R.; Franco, Douglas W.

 ·  Characterization of chitosan by Gel Permeation Chromatography - Influence of preparation method and solvent
Canella, Kathya Mª Nilza de Carvalho; Garcia, Rosangela Balaban

 ·  Chemical and physical characterization of coastal peat and evaluation of competitive adsorption of copper and zinc
Lamim, Agenor Paulo Binato; Jordão, Cláudio Pereira; Pereira, José Luis; Bellato, Carlos Roberto

 ·  Diterpenes, triterpenes and steroids from flowers of Wedelia paludosa
Carvalho, Geizi Jane A. de; Carvalho, Mário Geraldo de; Ferreira, Dalva T.; Faria, Terezinha de J.; Braz-Filho, Raimundo

 ·  Aquatic environment contamination by pesticides. Case study: water used for human consumption in Primavera do Leste, Mato Grosso - preliminary analyses
Dores, Eliana Freire Gaspar de Carvalho; De-Lamonica-Freire, Ermelinda Maria

 ·  The identification of sewage addition to Guanabara Bay surficial sediments as indicated by coprostanol (5b(H)-cholestan-3b-ol) distribution
Carreira, Renato; Wagener, Angela de L. Rebello; Fileman, Timothy; Readman, James W.

 ·  Electro-oxidation of ethanol in Ti/IrO2
Fidelis, Carlos H.V.; Donate, Paulo M.; Andrade, Adalgisa R. de

 ·  Surfactant/hydrotrope interaction in aqueous systems by nuclear magnetic resonance oxide), hydrotropy, nuclear magnetic resonance
Mansur, Claudia R. E.; Lucas, Elizabete F.; Pacheco, Carlos R. N.; González, Gaspar

 ·  Characterization of Cu/CeO2/Al2O3 catalysts by temperature programmed reduction and activity for CO oxidation
Cataluña, Renato; Baibich, Ione M.; Dallago, R. M.; Picinini, C.; Martínez-Arias, A.; Soria, J.

 ·  Origin and implication of carboxylic acids in the atmosphere
Souza, Silvia Ribeiro de; Carvalho, Lilian R. Franco de

 ·  Methods of extraction and/or concentration of compounds found in biological fluids for subsequent chromatographic determination
Queiroz, Sonia C. N.; Collins, Carol H.; Jardim, Isabel C. S. F.

 ·  Amperometric biosensors for phenolic compounds determination in the environmental interess samples
Rosatto, Simone Soares; Freire, Renato Sanches; Durán, Nelson; Kubota, Lauro Tatsuo

 ·  Micellar media in analytical chemistry
Maniasso, Nelson

 ·  Introduction to the specular reflection and reflection-absorption techniques in the infrared: (1) specular reflection
Trasferetti, Benedito Cláudio; Davanzo, Celso Ulysses

 ·  Introduction to the specular reflection and reflection-absorption techniques in the infrared: (1) reflection-absorption
Trasferetti, Benedito Cláudio; Davanzo, Celso Ulysses

 ·  Drug design based on natural products
Montanari, Carlos Alberto; Bolzani, Vanderlan da S.

 ·  Antioxidant system involving the glutathione metabolic cycle associated to electroanalytical methods in the oxidative stress evaluation
Rover Júnior, Laércio; Höehr, Nelci Fenalti; Vellasco, Adriana Paula; Kubota, Lauro Tatsuo

 ·  Ion-selective electrodes: historical, mechanism of response, selectivity and concept review
Fernandes, Julio Cesar Bastos; Kubota, Lauro Tatsuo; Oliveira Neto, Graciliano de

        · abstract in English     · text in English     · pdf in Englishpdf in English
 Nota técnica
 ·  Increase resolution of solution 13C NMR spectra of humic acids by previous treatment with 0,03 mol L-1 KCl
Canellas, Luciano Pasqualoto; Guridi, Fernando; Santos, Gabriel de A.; Rumjanek, Victor Marcos; Braz-Filho, Raimundo

 ·  An alternative way to the Appel's synthesis of PPh2Si(CH3)3; preparation and purification of PPh2H (Ph = phenyl)
Oliveira, Gelson Manzoni de

 ·  The professional profile of chemists and the new reality of industrial organizations
Silva, Joyce Mary Adam de Paula e

 ·  Writing in chemistry courses
Queiroz, Salete Linhares

 Assuntos gerais
 ·  Pharmaceutics and phytotherapics: the need for development of the industry of phytopharmaceutics and phytotherapics in Brazil
Yunes, Rosendo A.; Pedrosa, Rozangela Curi; Cechinel Filho, Valdir

 ·  Medicinal chemistry in the development of societies. Biodiversity and natural products
IUPAC Comission of Medicinal Chemistry

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