Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Carla Verônica Rodarte de Moura"'
Autor:
Izabele Folha Damasceno, Vivane Lopes Leal, Ronaldo Cunha Coelho, Carla Verônica Rodarte de Moura, Edmilson Miranda de Moura
Publikováno v:
Eclética Química, Vol 37, Iss 1, Pp 51-60 (2018)
This article reports on the level of contamination of effluents, sediments and water in the Poty River, within the city of Teresina. The samples were collected in the months of September 2009, December 2009 and March 2010. The results of some physico
Externí odkaz:
https://doaj.org/article/09fb87cf2c534d858d988ee4e70ee2b6
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
Hyperbranched biopolymers is an important class of polymer that is used in different areas, mainly in biomedicine. AB2 monomers are crucial to the development of a "hyperbranched" architecture of polyglycerol, being glycidol the most commonly used, e
Externí odkaz:
https://doaj.org/article/7be845b35da54dee859754c94363048c
Autor:
Eva Lúcia Cardoso Silveira, Ronaldo Cunha Coelho, José Machado Moita Neto, Carla Verônica Rodarte de Moura, Edmilson Miranda de Moura
Publikováno v:
Química Nova, Vol 33, Iss 9, Pp 1863-1867 (2010)
This work proposed a procedure to examine ashes produced in burning lubricating oils used in public transportation, in Teresina PI. Sulphanilic acid was added to the oil samples, which were burned at 550 °C for three hours and 650 °C for two hours.
Externí odkaz:
https://doaj.org/article/bed18b75c8ef4896b70cec611b550a15
Publikováno v:
Química Nova, Vol 33, Iss 8, Pp 1671-1676 (2010)
The objective of this work was to study the potentialities of Dipteryx lacunifera Ducke seeds oil for biodiesel production. The yield in oil was of 46.11 ± 0.37%. Methyl biodiesel was prepared by base catalyzed transesterification yielding 88.13% an
Externí odkaz:
https://doaj.org/article/96412e6a7dd4415785271674b7f2c687
Autor:
José Renato de Oliveira Lima, Rondenelly Brandão da Silva, Carmem Cícera Maria da Silva, Lucas Samuel Soares dos Santos, José Ribeiro dos Santos Jr., Edmilson Miranda Moura, Carla Verônica Rodarte de Moura
Publikováno v:
Química Nova, Vol 30, Iss 3, Pp 600-603 (2007)
Biodiesel was obtained by transesterification of babassu oil in anhydrous ethanol and methanol, employing NaOH as catalyst. The products obtained were characterized by physico-chemical and thermogravimetric analysis. It could be concluded that the pr
Externí odkaz:
https://doaj.org/article/17f7a85263754b34b7787f964ac18583
Autor:
Eva Lúcia Cardoso Silveira, Lília Basílio de Caland, Carla Verônica Rodarte de Moura, Edmilson Miranda Moura
Publikováno v:
Química Nova, Vol 29, Iss 6, Pp 1193-1197 (2006)
A simple and reliable ashing procedure is proposed for the preparation of used lubricating oil samples for the determination of Zn, Fe, Pb, Ni and Cu by the flame atomic absorption spectrometry technique. Sulphanilic acid was added to oil samples, th
Externí odkaz:
https://doaj.org/article/0319b6d2619f40bfb998363f5ffe037b
Autor:
Francisca Diana da Silva Araújo, Antonio do Nascimento Cavalcante, Maria das Dores B. Sousa, Carla Verônica Rodarte de Moura, Mariana Helena Chaves, Sabria Aued-Pimentel, Miriam Solange Fernandes Caruso, Luimar José Tozetto, Soane Kaline Morais Chaves
Publikováno v:
Energies, Vol 10, Iss 9, p 1360 (2017)
The objective of this work was to produce methyl biodiesel from Bombacopis glabra (B. glabra) oil degummed with H3PO4. The methyl biodiesel was prepared in an alkaline medium, and characterized by physico-chemical parameters, thin-layer chrmatograghy
Externí odkaz:
https://doaj.org/article/e2fcdc77662248aab92eab84ccf4d609
Autor:
Wiury Chaves de Abreu, Ana Flávia Moraes, Roberta Yonara Nascimento Reis, Bernardo Ferreira Pinto, Carla Verônica Rodarte de Moura, Sabrina Nicolodi, Edmilson Miranda de Moura
Publikováno v:
Materials Research
This work described a new magnetic material enriched with strontium as catalyst to produce babassu biodiesel. The use of magnetic materials has attracted attention due to easy and fast separation from reaction medium. Moreover, they are ecologically
Externí odkaz:
https://doaj.org/article/3af26671745647bcbd9c091d701961d2
Autor:
Jussara Morais da Silva, Jean C. S. Costa, Carla Verônica Rodarte de Moura, Geraldo E. Luz, Janildo Lopes Magalhães, Renilma Carvalho Sousa, Edmilson Miranda de Moura
Publikováno v:
Catalysis Letters. 152:585-599
It is known that the oxidative reactions of alcohols are sensitive to the characteristics of the catalyst, in such a way that the properties of the support are as important as those of the metallic phase. We consider the functionalization of support
Autor:
Roger Wallacy Guimarães Oliveira, Marina de Deus Moura de Lima, Lúcia de Fátima Almeida de Deus Moura, Jessa Iashmin Alcobaça Gomes Machado, Carla Verônica Rodarte de Moura, Marcoeli Silva de Moura, Cacilda Castelo Branco Lima, Patrick Veras Quelemes, André Luis Menezes Carvalho
Publikováno v:
Journal of Young Pharmacists. 12:221-225
Background: The ideal root canal filling for endodontic treatment of primary teeth with necrotic pulp must have antimicrobial activity, not cause tooth discoloration or interfere with the eruption of permanent successor teeth. This study aimed to eva