Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Celio Pasquini"'
Autor:
Alianda Dantas de Oliveira, Vitor Hugo da Silva, Maria Fernanda Pimentel, Glória Maria Vinhas, Celio Pasquini, Yêda Medeiros Bastos de Almeida
Publikováno v:
Materials Research, Vol 21, Iss 5 (2018)
PET - poly (ethylene terephthalate) - bottle surfaces were exposed to chemical agents and evaluated with middle infrared spectroscopy (MIR) and near infrared hyperspectral imaging (HSI-NIR). Images (928-2.524 nm) were acquired at different times from
Externí odkaz:
https://doaj.org/article/0a35ceceba60497889b4af5282bd75b9
Publikováno v:
Química Nova, Vol 29, Iss 1, Pp 143-148 (2006)
Externí odkaz:
https://doaj.org/article/ddc6e863370d42e8a6dec706bc5973a4
Autor:
Ileana Facchin, Celio Pasquini
Publikováno v:
Química Nova, Vol 21, Iss 1, Pp 60-68 (1998)
Externí odkaz:
https://doaj.org/article/6615c1e927944c72bc752f2f7d8e4007
Autor:
Ivo M. Raimundo Jr., Celio Pasquini
Publikováno v:
Química Nova, Vol 20, Iss 1, Pp 83-88 (1997)
This paper describes some aspects of multichannel spectrophotometry, principles of photodiode arrays and their applications in Analytical Chemistry.
Externí odkaz:
https://doaj.org/article/2dc5ef32e99144949518f16769ec6c0e
Publikováno v:
Journal of Near Infrared Spectroscopy. 31:80-88
In megadiverse regions, such as the Amazon, the identification of species generally requires specialists that are often not available. Therefore, the use of new species-recognition tools is necessary to streamline surveys and avoid errors in species
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::718250f783c7d2ef9e8d0accd45816ce
https://doi.org/10.1177/09670335231156472
https://doi.org/10.1177/09670335231156472
Publikováno v:
Analytical and Bioanalytical Chemistry. 412:4173-4182
A quantitative analytical method based on laser ablation molecular isotopic spectrometry (LAMIS) and multivariate analysis was developed and evaluated for the determination of the isotopic composition of enriched materials. The method consists prepar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::987a90d59e4fb12a1a01f4cf40c14719
https://doi.org/10.1007/s00216-020-02656-y
https://doi.org/10.1007/s00216-020-02656-y
Autor:
Eliézer Quadro Oreste, Anderson Schwingel Ribeiro, Celio Pasquini, Laiane de Moura Fontes, Rafael Luis Ribessi
Publikováno v:
Analytical Letters. 53:1378-1390
Ceramics manufactured in Brazil and in other countries were analyzed by laser induced breakdown spectroscopy (LIBS). The LIBS spectra were employed to identify the origin of the tableware as produc...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7a2578ada400064cdb81da5f4328d76
https://doi.org/10.1080/00032719.2019.1708089
https://doi.org/10.1080/00032719.2019.1708089
Publikováno v:
Talanta. 200:553-561
The potential of a low-cost (∼US$ 1000) portable near-infrared (NIR) spectrophotometer for in situ characterization of seized cocaine samples was evaluated. A set of 240 samples of cocaine seized in several regions and cities across Brazil by its f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2a1b8b99d7b11186421e62a18d5871b
https://doi.org/10.1016/j.talanta.2019.03.091
https://doi.org/10.1016/j.talanta.2019.03.091
Autor:
Neirivaldo Cavalcante da Silva, Celio Pasquini, Márcio das Virgens Rebouças, José Manuel Amigo, Ana Rosa C. G. Massa, Daniela Domingos, Maria Fernanda Pimentel
Publikováno v:
Fuel. 243:381-389
This work addresses the industrial process of compounding automotive gasoline by a controlled blending of feedstock hydrocarbon streams deriving from different stages of the cracking and refining process of naphtha. In this process, gasoline quality
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::041e2c66eaedb211d77a5ffcbc12bb34
https://doi.org/10.1016/j.fuel.2019.01.145
https://doi.org/10.1016/j.fuel.2019.01.145
Publikováno v:
Microchemical Journal. 146:842-849
A new procedure is described for the development of photometers that operate in the NIR spectral region. The instrument was based on a set of LEDs as radiation source and associate interference filters (IF) to narrow the selected wavelength. The proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eae5a495f3d4d4d9bb90bf4af72cd930
https://doi.org/10.1016/j.microc.2019.01.074
https://doi.org/10.1016/j.microc.2019.01.074