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D'Oca, Marcelo Gonçalves Montes; Haertel, Paula Lemões; Moraes, Danielle Costa de; Callegaro, Franciéli Janaína Pietczaki; Kurz, Márcia Helena Scherer; Primel, Ednei Gilberto; Clementin, Rosilene Maria; Villarreyes, Joaquín Ariel Morón
(2010)
In this study was developed a new methodology to produce fatty acid ethyl esters from castor oil. The base-catalyzed transesterification step was followed by on pot addition of sulfuric acid. That addition implicated the ...
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Kurz, Márcia Helena Scherer; Gonçalves, Fábio Ferreira; Adaime, Martha Bohrer; Costa, Ivan Francisco Dressler da; Primel, Ednei Gilberto; Zanella, Renato
(2008)
Desenvolveu-se e validou-se um novo método para avaliar os níveis de resíduo e a dissipação do fungicida clorotalonil em tomates e pepinos cultivados em estufas experimentais. Os vegetais foram submetidos a uma única ...
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Dias, Adriana Neves; Cerqueira, Maristela Barnes Rodrigues; Moura, Renata Rodrigues de; Kurz, Márcia Helena Scherer; Clementin, Rosilene Maria; D'Oca, Marcelo Gonçalves Montes; Primel, Ednei Gilberto
(2012)
This paper describes the optimization of a method of simultaneous determination of glycerides, free and total glycerol in biodiesel ethyl esters from castor oil by using gas chromatography. Changes were proposed for the ...
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Primel, Ednei Gilberto; Zanella, Renato; Kurz, Márcia Helena Scherer; Gonçalves, Fábio Ferreira; Machado, Sérgio Luiz de Oliveira; Marchesan, Enio
(2005)
This article presents an evaluation of the pollution of river water by herbicides used in the culture of irrigated rice in Rio Grande do Sul State, Brazil. Firstly, a theoretical
evaluation was made using the approaches ...
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Kurz, Márcia Helena Scherer; Gonçalves, Fábio Ferreira; Martel, Samile; Adaime, Martha Bohrer; Zanella, Renato; Machado, Sérgio Luiz de Oliveira; Primel, Ednei Gilberto
(2009)
A new method is described for the determination of the herbicide bispyribac-sodium in surface water, especially from river and irrigated rice water samples. The method involves extraction in solid phase and quantification ...
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Primel, Ednei Gilberto; Zanella, Renato; Kurz, Márcia Helena Scherer; Gonçalves, Fábio Ferreira; Martins, Manoel Leonardo; Machado, Sérgio Luiz de Oliveira; Marchesan, Enio
(2007)
O estudo avalia a degradação do herbicida propanil e de seu principal produto de degradação, a 3,4-dicloroanilina (3,4-DCA), em água de irrigação de lavouras de arroz irrigado no Estado do Rio Grande do Sul, Brasil. Além ...
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Lopes, Carolina Rosa; D'Oca, Caroline Da Ros Montes; Duarte, Rodrigo da Costa; Kurz, Márcia Helena Scherer; Primel, Ednei Gilberto; Clementin, Rosilene Maria; Villarreyes, Joaquín Ariel Morón; D'Oca, Marcelo Gonçalves Montes
(2010)
Recent biochemical and pharmacological studies have led to the characterization of different fatty acid amides as a new family of biologically active lipids. Here, we describe the synthesis of new amides from C16:0, 18:0, ...
