Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Mercedes de Moraes"'
Autor:
Mercedes de Moraes
Publikováno v:
Eclética Química, Vol 21, Iss 1, Pp 133-140 (2018)
Externí odkaz:
https://doaj.org/article/2f66f27e60d4405990e9ecb3adefba7f
Autor:
Tiago Varão Silva, Jardes Figuerêdo Rêgo, Mercedes de Moraes, Alberto José Cavalheiro, José Anchieta Gomes Neto, Jorge Luiz Raposo Júnior
Publikováno v:
Eclética Química, Vol 37, Iss 1, Pp 45-50 (2018)
A simple and rugged method to determine Ca, K and Mg in a single aliquot of medicinal plants by high-resolution continuum source flame atomic absorption spectrometry is proposed. Secondary lines for Ca (239.856 nm) and K (404.414 nm), and the alterna
Externí odkaz:
https://doaj.org/article/79c9dfb295dd4f5f9d5f88baab7f69b7
Autor:
Adriana Paiva de Oliveira, Leonardo Luiz Okumura, José Anchieta Gomes Neto, Mercedes de Moraes
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
The analyte additions method was applied for sodium determination in fuel ethanol by atomic emission spectrometry. Graphics involving emission intensity versus analyte concentration in the 0 – 0.300 mg Na L-1 interval concentration range contaning
Externí odkaz:
https://doaj.org/article/1e57b3cfd1ce41f1862441b383f57760
Autor:
Carolina Sinabucro DAKUZAKU, Gian Paulo Giovanni FRESCHI, Mercedes de MORAES, José Anchieta GOMES NETO
Publikováno v:
Eclética Química, Vol 26, Iss 1 (2018)
A influência de digeridos e suspensões de açúcar no comportamento térmico de As usando Pd(NO3)2, Pd(NO3)2 + Mg(NO3)2, and Ni(NO3)2 como modificadores químicos foi investigada. Influência de 0,2%, 5%, 10% e 35% (v/v) HNO3 na calibração (1,00
Externí odkaz:
https://doaj.org/article/5d91e466610e4374bad2c8459a1130fa
Publikováno v:
Eclética Química, Vol 25, Iss 1 (2018)
Este trabalho descreve a construção de um eletrodo de segunda espécie, Pt|Hg|Hg2Ox|Grafite, sensível ao íon oxalato (Ox). O eletrodo é construído facilmente, apresenta um rápido tempo de resposta, é de baixo custo, e tem um tempo de vida út
Externí odkaz:
https://doaj.org/article/b20b03bf28b142a1bf13d4ad2f7cb3d2
Autor:
Kelly G. Fernandes, Mercedes de Moraes, José A. Gomes Neto, Joaquim A. Nóbrega, Pedro V. Oliveira
Publikováno v:
Química Nova, Vol 26, Iss 2, Pp 249-252 (2003)
Externí odkaz:
https://doaj.org/article/c9fa892004b94b328de0bb88cdfaeccd
Autor:
Adriana Paiva de Oliveira, Gian Paulo Giovanni Freschi, Carolina Sinabucro Dakuzaku, Mercedes de Moraes, Marisa Spirandeli Crespi, José Anchieta Gomes Neto
Publikováno v:
Química Nova, Vol 24, Iss 6, Pp 743-747 (2001)
Externí odkaz:
https://doaj.org/article/1d138bd1a2b34fb187a3202732a85e89
Publikováno v:
Eclética Química, Vol 15, Iss 1, Pp 17-22 (2018)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97c2be891dd92e57cd090cea4126ff99
https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/759
https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/759
Autor:
Andréa Pires Fernandes, Adelir Aparecida Saczk, Leonardo Luiz Okumura, Marcelo Firmino de Oliveira, Mercedes de Moraes, Nelson Ramos Stradiotto
Publikováno v:
Analytical and Bioanalytical Chemistry. 380:135-140
A new, versatile, and simple method for quantitative analysis of zinc, copper, lead, and cadmium in fuel ethanol by anodic stripping voltammetry is described. These metals can be quantified by direct dissolution of fuel ethanol in water and subsequen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24bc00d69050961383ba2086a0ab4707
https://doi.org/10.1007/s00216-004-2733-8
https://doi.org/10.1007/s00216-004-2733-8
Autor:
José Anchieta Gomes Neto, Joaquim A. Nóbrega, Ana Rita A. Nogueira, Mercedes de Moraes, Cassia Regina Rosa
Publikováno v:
Food Chemistry. 79:517-523
The influence of sample preparation strategy of vegetables on the electrothermal behaviour of Se without and with chemical modifiers such as Pd(NO 3 ) 2 , Pd(NO 3 ) 2 + Mg(NO 3 ) 2 , Pd(NO 3 ) 2 + Cd(NO 3 ) 2 , pre-reduced Pd, Mg(NO 3 ) 2 , and Ni(NO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d2476aab8b64ee1ee2a3449b214918a
https://doi.org/10.1016/s0308-8146(02)00390-4
https://doi.org/10.1016/s0308-8146(02)00390-4