Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Weidson Leal Silva"'
Autor:
Weidson Leal Silva, Cristina M. Quintella, Andre Luis Carneiro Araujo, Elias Teodoro Da Silva Júnior, Rogerio Guerra Diogenes Filho, Marilena Meira, Lindolfo J.O. Sales
Publikováno v:
Talanta. 117:263-267
Power transformers are essential for a functioning electrical system and therefore require special attention by maintenance programs because a fault can harm both the company and society. The temperature inside a power transformer and the dissolved g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7f654bf36ab0db85a503eed5cb8f886
https://doi.org/10.1016/j.talanta.2013.08.018
https://doi.org/10.1016/j.talanta.2013.08.018
Autor:
Erika M. de O. Ribeiro, Weidson Leal Silva, Alexandre Kamei Guimarães, Saionara Luna, Mariana Andrade Santos, Cristina M. Quintella, Marilena Meira, Gabriela Silva Cerqueira, Alexandre Lopes Del Cid
Publikováno v:
American Journal of Analytical Chemistry. :99-103
Total spectrofluorimetry associated with Principal Component Analysis (PCA) was used to discriminate samples of vegetable oil and animal fat. In addition, a multivariate calibration model was developed that combines spectroflurimetry with Partial Lea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18b5a1b5efef30c954536c12c6a2e57e
https://doi.org/10.4236/ajac.2013.42013
https://doi.org/10.4236/ajac.2013.42013
Publikováno v:
Biomass Conversion and Biorefinery. 5:295-297
This paper describes a methodology for determining non-transesterified residual cooking oil content in aromatic diesel. The procedure consists in fitting multiple Gaussian to the fluorescence spectra of standards and following construction of a graph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7a0bbd2a05b5e76af5c76d941808cc8
https://doi.org/10.1007/s13399-014-0156-0
https://doi.org/10.1007/s13399-014-0156-0
Autor:
Erika M. de O. Ribeiro, Weidson Leal Silva, Marilena Meira, Alexandre Kamei Guimarães, Humbervânia Reis Gonçalves da Silva, Irlane J. de Brito, Cristina M. Quintella, Saionara Luna
Publikováno v:
Journal of the Brazilian Chemical Society, Volume: 26, Issue: 7, Pages: 1351-1356, Published: JUL 2015
Journal of the Brazilian Chemical Society v.26 n.7 2015
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society v.26 n.7 2015
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
This paper describes a simple and rapid methodology for determining the content of adulterants in diesel by the integration of fluorescence spectra. The procedure consists of constructing analytical curves using the concentrations of each adulterant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14bf765769f3f2a0de20542d2bda2ce0
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532015000701351&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532015000701351&lng=en&tlng=en
Autor:
Cristina M. Quintella, Alexandre Kamei Guimarães, Erika M. de O. Ribeiro, Weidson Leal Silva, Marilena Meira
Publikováno v:
International Journal of Chemistry. 6
In this paper, multivariate calibration models have been developed for determination of common adulterants (kerosene, turpentine and residual oil from fried foods) added to diesel. The samples were analyzed by LED spectrofluorimetry and the multivari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4202ed8e7219fc15f20172d85d6d4a73
https://doi.org/10.5539/ijc.v6n4p24
https://doi.org/10.5539/ijc.v6n4p24
Autor:
Weidson Leal Silva, Alexandre Lopes Del Cid, Marilena Meira, Iuri Muniz Pepe, Pedro Ramos da Costa Neto, Erika M. de O. Ribeiro, Cristina M. Quintella, Alexandre Kamei Guimarães
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.
This paper presents the results of the validation of a LED spectrofluorimeter patented for the analysis of biodiesel in diesel and non-transesterified residual cooking oil (RCO) in diesel. Detection limit, quantification limit and sensitivity were de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b7d3cc58cc921176a5ec90e8878e364
https://pubmed.ncbi.nlm.nih.gov/25315867
https://pubmed.ncbi.nlm.nih.gov/25315867
Publikováno v:
Biomass Conversion & Biorefinery; Sep2015, Vol. 5 Issue 3, p295-297, 3p