Published: 2010-03-29

Original articles

Comparison of the dehydration kinetics of solid state compounds of 2-methoxybenzylidenepyruvate with some divalent metal ions

Marcelo Kobelnik, Clóvis Augusto Ribeiro, Diógenes dos Santos Dias, Gisele Aparecida Bernabé, Marisa Spirandeli Crespi

07-18

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Mathematical equation correction to spectral and transport interferences in high-resolution continuum source flame atomic absorption spectrometry: determination of lead in phosphoric acid

Jorge Luiz Raposo Junior, Silvana Ruella de Oliveira, Joaquim Araújo Nóbrega, José Anchieta Gomes Neto

19-24

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Photo-Fenton process for treating biological laboratory wastewater containing formaldehyde

Janaina Conrado Lyra da Fonseca, Raquel Fernandes Pupo Nogueira, Mary Rosa Rodrigues de Marchi

25-33

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Flavonoids extraction from Alpinia zerumbet (Pers.) Burtt et Smith leaves using different procedures

Cristiane Pimentel Victório, Celso Luiz Salgueiro Lage, Ricardo Machado Kuster

35-40

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Spot-test identification and rapid quantitative sequential analysis of dipyrone

Matthieu Tubino, Adriane Cristina Biondo, Marta Maria Duarte Carvalho Vila, Leonardo Pezza, Helena Redigolo Pezza

41-46

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Production of biodiesel from babassu oil using methanol-ethanol blends

Fernando Carvalho Silva, Kiany Sirley Brandão Cavalcante, Hilton Costa Louzeiro, Katia Regina Marques Moura, Adeilton Pereira Maciel, Luiz Edmundo Bastos Soledade, Antonio Gouveia Souza

47-54

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Sensitive spectrophotometric determination of lamotrigine in bulk drug and pharmaceutical formulations using bromocresol green

Nagaraju Rajendraprasad, Basavaiah Kanakapura, Kanakapura Basavaiah Vinay

55-66

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Complexes of 4-chlorophenoxyacetates of Nd(III), Gd(III) and Ho(III)

Wieslawa Ferenc, Maria Bernat, Jan Sarzyński, Halina Głuchowska

67-75

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Assessment of hydrochemical quality of ground water under some urban areas within Sana’a secretariat

Wadie Al- Ariqi, Abduljalil Ghaleb

77-84

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Optimization of NMP extraction in 1,3-butadiene production line

Hamid Reza Mortaheb, Morteza Mafi, Babak Mokhtarani, Kianoush Khosravi, Fateme Mashkini

85-89

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