Published: 2006-12-30

Editorial

Editorial

Eclética Química
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Original articles

Magnetic, thermal and spectral behaviour of 3-chloro-2-nitrobenzoates of Co(II), Ni(II), and Cu(II)

Wieslawa Ferenc, Beata Cristóvão, Jan Sarzyński, Barbara Paszkowska

07-14

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Immersion enthalpy variation of surface-modified mineral activated carbon in lead (II) aqueous solution adsorption: the relation between immersion enthalpy and adsorption capacity

Liliana Giraldo Gutierrez, Juan Carlos Moreno-Piraján

15-21

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Determination of carbon monoxide using a coated quartz crystal sensor

Orliney Maciel Guimarães, Maria Elisabete Darbello Zaniquelli, Jorge Ricardo Moreira Castro, Valdir Roberto Balbo, José Fernando de Andrade

23-29

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Spectrophotometric study of the chromium(III)/azide system in the ultraviolet region and its analytical application

Leandro Maranghetti Lourenço, Fernando Grine Martins, Valdir Roberto Balbo, Adriano César Pimenta, Jorge Ricardo Moreira Castro, José Fernando de Andrade

31-38

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Ascorbic acid determination using a carbon paste electrode modified with iron(III) ions adsorbed on humic acid

Lucinei Stechmann da Silva, Tiago Nieswald Oliveira, Marco Aurélio Ballin, Carlos Roberto de Menezes Peixoto

39-42

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Sensitive spectrophotometric assessment of carbofuran using dapsone as a new chromogenic reagent in formulations and environmental samples

Padmarajaiah Nagaraja, Besagarahally L. Bhaskara

43-48

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Otimização e validação de metodologia cromatográfica para determinação simultânea de composição monomérica em polímero biodegradável

Josiane de Lima Souza, Ademir Francisco dos Santos, Luciana Polese, Marisa Spirandeli Crespi, Clovis Augusto Ribeiro

49-54

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Isolation of lignans glycosides from Alibertia sessilis (Vell.) K. Schum. (Rubiaceae) by preparative high-performance liquid chromatography

Viviane Cândida da Silva, Geraldo Humberto Silva, Vanderlan da Silva Bolzani, Márcia Nasser Lopes

55-58

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Determination of hydroquinone in a square wave voltammetry procedure using a graphite-polyurethane composite electrode

Priscila Cervini, Éder Tadeu Gomes Cavalheiro

59-62

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Eletrodo modificado com filme de poli aminoácido para determinação de hidrazina em água de caldeira

Michelle Fernanda Brugnera, Daniela Pereira dos Santos, Maria Valnice Boldrin Zanoni

63-68

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