Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Vanessa G. K. Almeida"'
Publikováno v:
Química Nova, Vol 33, Iss 4, Pp 914-919 (2010)
This work proposes a new simple and fast spectrophotometric method for cephalexin determination in pharmaceutical formulations. The method is based on the charge transfer reaction between cephalexin and quinalizarin in dimethylsulfoxide medium. Sever
Externí odkaz:
https://doaj.org/article/4bc3abeb47b0417ebd7ece3f59c13787
Publikováno v:
Revista Virtual de Química. 11:1081-1096
Neste trabalho foi desenvolvido um metodo espectrofotometrico para quantificacao de azitromicina em formulacoes farmaceuticas e o acoplamento de um sistema de analise por injecao em fluxo (FIA). O metodo baseia-se na reacao acido-base da azitromicina
Publikováno v:
Brazilian Journal of Analytical Chemistry. 5:28-39
Publikováno v:
Forensic Science International. 251:50-55
This paper shows the result of a study on the extent of cocaine contamination in Real banknotes in circulation in the state of Rio de Janeiro (Brazil). A study of the percentage of contaminated banknotes was made, as well as a study on the contaminat
Publikováno v:
Journal of Fluorescence. 23:31-39
In this present work, a fluorescence method for azithromycin (9-deoxo-9a-aza-9a-methyl-9a-homoerythromycin) determination in pharmaceutical formulations is proposed. The method is based on the synchronous fluorescence (Δλ = 30 nm, 482 nm) produced
Publikováno v:
Journal of the Brazilian Chemical Society v.21 n.9 2010
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 21, Issue: 9, Pages: 1664-1671, Published: 2010
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 21, Issue: 9, Pages: 1664-1671, Published: 2010
This paper proposes a new method for simple and fast spectrophotometric determination of azithromycin in pharmaceutical formulations. The method is based on the charge transfer reaction between the azithromycin and quinalizarin in methanol medium. In
Publikováno v:
Talanta. 71:1047-1053
This paper reports the development of a reversed flow injection system for the spectrophotometric determination of Sb(III) and total Sb in antileishmanial drugs. The analytical system is based on the selective reaction between Sb(III) and bromopyroga
Publikováno v:
Spectroscopy Letters. 39:769-784
A merging zones flow injection system was developed for the spectrophotometric determination of Sb(III) and Sb(V) in drugs used in the treatment of leishmaniasis. The procedure is based on the selective reaction between Sb(III) and bromopyrogallol re
Autor:
Vanessa G. K. Almeida, Wagner F. Pacheco, Ricardo Q. Aucélio, Felipe S. Semaan, Almir Guilherme S. L. Ritta
Publikováno v:
Revista Virtual de Química. 5
Publikováno v:
Talanta. 73(4)
In this work, a flow injection system with spectrophotometric detection was developed for the determination of lithium in pharmaceutical formulations used in the treatment of bipolar disorder. Reaction between Quinizarine (1,4-dihydroxyanthraquinone)