Zobrazeno 1 - 10
of 195
pro vyhledávání: '"Nelson Ramos Stradiotto"'
Autor:
Maisa Azevedo Beluomini, Yu Wang, Lina Wang, Mariolino Carta, Neil B. McKeown, Simon M. Wikeley, Tony D. James, Pablo Lozano-Sanchez, Marco Caffio, Nelson Ramos Stradiotto, Maria Valnice Boldrin Zanoni, Frank Marken
Publikováno v:
Electrochemistry Communications, Vol 143, Iss , Pp 107394- (2022)
3D-graphene foam electrodes (Gii-Sens) immersed in a phosphate buffer solution of pH 7 are shown to generate hydrogen peroxide at a significantly faster rate in the presence of a nanoparticulate polymer of intrinsic microporosity (PIM-1). The effect
Externí odkaz:
https://doaj.org/article/c06c17213d584b5e95f863d9bc1b7afb
Autor:
Josiel José da Silva, Bianca Ferreira da Silva, Nelson Ramos Stradiotto, Mira Petrovic, Pablo Gago-Ferrero, Meritxell Gros
Publikováno v:
MethodsX, Vol 7, Iss , Pp 101171- (2020)
Vinasse, a liquid waste which originates from the production of ethanol fuel from sugarcane, has been widely used as soil amendment in Brazil. An important concern that arises from vinasse reuse is the dissemination of antibiotics to the environment
Externí odkaz:
https://doaj.org/article/0fed932c5baa4a7881b8467c49d6a984
Publikováno v:
Eclética Química, Vol 31, Iss 2, Pp 45-52 (2018)
Um método envolvendo a pré-concentração e redissolução anódica em condições de voltametria de pulso diferencial empregando um eletrodo de pasta de carbono modificado (EPCM) com uma resina de troca iônica Amberlite IR120 foi proposto para a
Externí odkaz:
https://doaj.org/article/9a9e350fa3364fc09b743f14cfcedcb1
Autor:
Marcelo Firmino de Oliveira, Adelir Aparecida Saczk, Leonardo Luiz Okumura, Nelson Ramos Stradiotto
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
The presence of heavy metals in fuel ethanol is obtained in different steps as production and storage of ethanol, constituting an inorganic contamination. Quantitative analysis of these contaminants has been usually carried out by conventional techni
Externí odkaz:
https://doaj.org/article/fc6bebf6eaa7443eb2822be391fff2b3
Autor:
Helenice Akemi Ito, Marcelo Firmino de Oliveira, José Anchieta Gomes Neto, Nelson Ramos Stradiotto
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
Phosphite ions constitute an important inorganic component as phosphorus source in soil fertilization, showing a large number of advantages in relation to phosphate. The determination of this compound in fertilizing products is realized by classical
Externí odkaz:
https://doaj.org/article/ff87e1839e7543219f27a8ad455f9a94
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
Iron nitroprusside (FeNP) was syntetised and characterized by IR and atomic absorption. The FeNP was incorporated into a carbon paste electrode and the electrochemical studies were perfomated with cyclic voltammetry. The cyclic voltammogram of FeNP i
Externí odkaz:
https://doaj.org/article/3fa702f146bb4fc0a4deca63e5f9a29b
Autor:
Adelir Aparecida Saczk, Marcelo Firmino de Oliveira, Leonardo Luiz Okumura, Nelson Ramos Stradiotto
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
This study reports the electrochemical behavior of 2-furfuraldehide reduction in ethanol using glassy carbon electrode, aiming to correlate adequate experimental conditions for determination of this 2-furfuraldehide in fuel ethanol. Obtained voltammo
Externí odkaz:
https://doaj.org/article/5a6f31f542d64227a15bf725f4358ec9
Publikováno v:
Química Nova, Vol 34, Iss 10, Pp 1683-1691 (2011)
The use of dyes in the commercialization of fuel is usually associated with protection of the source and destination. It is used as "markers" to identify and guarantee the identity of the specific product of a particular manufacturer to discourage th
Externí odkaz:
https://doaj.org/article/4df0e71369f64d18a614d4922fc78a5a
Publikováno v:
Materials Research, Vol 7, Iss 3, Pp 499-504 (2004)
Octakis (hydridodimethylsiloxy) octasilsesquioxane was hydrosilated with allyl chloride using Spiers catalyst (H2PtCl6). This reaction was monitored using FT-IR spectroscopy. The synthesized product was characterized by 13C, 29Si NMR (MAS), SEM, FT-I
Externí odkaz:
https://doaj.org/article/132a6e0c0eac45f68bb7c299cd025c94
Autor:
Maria Valnice Boldrin Zanoni, Alessandro Santos Borges, Assis Vicente Benedetti, Hideko Yamanaka, Maria del Pilar Taboada Sotomayor, Guilherme Garcia Bessegato, Nelson Ramos Stradiotto, Carmem Lúcia de Paiva e Silva Zanta, Adalgisa Rodrigues de Andrade
Publikováno v:
Química Nova, Vol 40, Iss 6, Pp 663-669
Electrochemistry and Electroanalytical chemistry play an important role to face the challenges of the contemporary world. They have contributed to the advance of the scientific development of our country, helped to promote economic and social progres
Externí odkaz:
https://doaj.org/article/1406684a366c4e0b84fee18d4b5603ab