Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Carla de Matos Ribeiro"'
Autor:
Lauro T. Kubota, Eliane M. Miguel, Jonadab dos Santos Silva, Wilney de Jesus Rodrigues Santos, Fabiano Barbieri Gonzaga, Phabyanno Rodrigues Lima, Cristian Bernardo da Silva, Marília O. F. Goulart, Carla de Matos Ribeiro
Publikováno v:
Talanta. :119-125
Chlorogenic acid (CGA) is a polyphenol derivative that widely exists in higher plants like fruits, vegetables, black teas, and some traditional Chinese medicines. In this work, we have proposed a sensitive and selective electrochemical sensor for det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a37d27d54077cdf6c79008e1ba89fbf
https://doi.org/10.1016/j.talanta.2016.05.020
https://doi.org/10.1016/j.talanta.2016.05.020
Publikováno v:
Accreditation and Quality Assurance. 18:99-104
Reliable measurement results of electrolytic conductivity (EC), in particular for low values, must be metrologically traceable and be based on a realistic measurement uncertainty budget. The use of certified reference materials (CRMs) can help to ach
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e9a91ac069341d31a8d42c8a9ae3d53
https://doi.org/10.1007/s00769-013-0964-0
https://doi.org/10.1007/s00769-013-0964-0
Autor:
Sidney Pereira Sobral, Márcia V. S. Alves, Cristiane B. Costa, Vinícius L. Skrobot, Janaína Marques Rodrigues, Fabiano Barbieri Gonzaga, Thales de Paula Barbosa, Viviane F. Silva, Elaine B. Santana, Helena S. P. Carneiro, Carla de Matos Ribeiro, José Renato Real Siqueira, Valnei S. Cunha, Aderson R. Pessoa Júnior, Isabel Cristina Serta Fraga, Eliane Cristina Pires do Rego, Leonardo Mesquita de Oliveira, Mary Ane Gonçalves, Ednéia Caliman, Helenice Colares, Rodrigo V. P. Leal, Dalni Malta do Espírito Santo Filho
Publikováno v:
Química Nova v.36 n.3 2013
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 36, Iss 3, Pp 393-399 (2013)
Química Nova, Volume: 36, Issue: 3, Pages: 393-399, Published: 2013
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 36, Iss 3, Pp 393-399 (2013)
Química Nova, Volume: 36, Issue: 3, Pages: 393-399, Published: 2013
This work shows the results of a Proficiency Testing performed by a partnership between INMETRO and ANP. The performance of 49 Brazilian laboratories (using the z-score statistical test) in determining 10 quality parameters of ethanol fuel and biodie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::303cd3ce5ca04cd632c63676ac1f26d4
https://doi.org/10.1590/s0100-40422013000300008
https://doi.org/10.1590/s0100-40422013000300008
Autor:
Isabel Cristina Serta Fraga, Sidney Pereira Sobral, Paulo Paschoal Borges, Mary Ane Gonçalves, Fabiano Barbieri Gonzaga, Julio C. M. Dias, Carla de Matos Ribeiro
Publikováno v:
Talanta. 99:99-103
Bioethanol has become an important biofuel because it is a source of renewable energy and can help to decrease global warming. However, the quality of bioethanol needs to be guaranteed so that it can be trusted and accepted in international trade. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23c09d527e30ad4b8c1f690769ea72da
https://doi.org/10.1016/j.talanta.2012.05.024
https://doi.org/10.1016/j.talanta.2012.05.024
Publikováno v:
Fuel. 94:70-74
A new method is proposed to determine the acid number (AN) of ethanol fuel using coulometric titration with potentiometric detection. The method employs a potentiostat/galvanostat and an electrochemical cell containing a three-electrode system (Pt wo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc11d0621a0f417914c0d23175b02e48
https://doi.org/10.1016/j.fuel.2011.12.022
https://doi.org/10.1016/j.fuel.2011.12.022
Publikováno v:
Journal of the Brazilian Chemical Society, Volume: 24, Issue: 1, Pages: 51-57, Published: JAN 2013
Journal of the Brazilian Chemical Society v.24 n.1 2013
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society v.24 n.1 2013
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
An ion selective field effect transistor (ISFET) electrode was evaluated for measuring pH and acid number (AN) of fuel ethanol and compared to two glass electrodes with different reference filling solutions: KCl aqueous solution (glass-KCl electrode)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f608f66f5c34bff1c8bbd4a75e9064ac
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532013000100008&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532013000100008&lng=en&tlng=en
Autor:
Paulo Paschoal Borges, Sidney Pereira Sobral, Mary Ane Gonçalves, Werickson Fortunato de Carvalho Rocha, Fabiano Barbieri Gonzaga, Carla de Matos Ribeiro, Isabel Cristina Serta Fraga
Publikováno v:
Repositório Institucional do INMETRO
Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO)
instacron:INMETRO
Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO)
instacron:INMETRO
Submitted by Bruna Fernandes de Farias (bruna.fernandes_farias@yahoo.com.br) on 2011-09-01T16:46:16Z No. of bitstreams: 1 2011_Gonçalves.pdf: 232857 bytes, checksum: 0f4cd610fd592707ac537f70caa75895 (MD5) Rejected by Catarina Soares(cfsoares@inmetro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c122084ad8f5fe23db16205de1bd3ff