Buscar
Mostrando ítems 1-10 de 46
Geographical discrimination of mineral waters from Sao Paulo state through exploratory analysis
(Editora UnespSao PauloBrasil, 2002)
A chemometric approach for determining the reaction quantum yields in consecutive photochemical processes
(Royal Society of Chemistry, 2017-08)
A chemometric procedure to deal with spectroscopically monitored processes involving photochemical steps is fully described. The methodology makes it possible to work with reactions that involve several components with ...
Improved catalysis of Morita-Baylis-Hillman reaction. The strong synergic effect using both an imidazolic ionic liquid and a temperature
(Pergamon-elsevier Science LtdOxfordInglaterra, 2009)
Analytical chemistry in Brazil: healthy and growing
(Sociedade Brasileira de Química, 2009)
Chemical sciences in Brazil are growing fast and being one of the main supports for the continuous development of the country. Inspired on the 15th Brazilian Meeting on Analytical Chemistry, ENQA, with a record number of ...
Spectrofluorimetry in organized media coupled to second-order multivariate calibration for the determination of galantamine in the presence of uncalibrated interferences
(Elsevier Science, 2010-06)
The present article describes the spectrofluorimetric determination of galantamine, a widely used<br />acetylcholinesterase inhibitor, through excitation–emission fluorescence matrices and second-order calibration. With ...
A spectroscopic and chemometric study of virgin olive oils subjected to thermal stress
(Elsevier, 2011-07)
The paper describes a study of thermal stress of three different samples of virgin olive oil in terms of oxidative stability. Fatty acid composition, evaluation of oxidative stability under forced conditions (OSI), ...
Estrógenos em água: otimização da extração em fase sólida utilizando ferramentas quimiométricas
(Editora Unesp, 2007-01-01)
Muitos métodos analíticos estão sendo desenvolvidos visando à determinação de contaminantes orgânicos, especialmente alteradores endócrinos. Tais métodos baseiam-se geralmente na extração em fase sólida (SPE) seguida por ...
Estrógenos em água: otimização da extração em fase sólida utilizando ferramentas quimiométricas
(Editora Unesp, 2007-01-01)
Muitos métodos analíticos estão sendo desenvolvidos visando à determinação de contaminantes orgânicos, especialmente alteradores endócrinos. Tais métodos baseiam-se geralmente na extração em fase sólida (SPE) seguida por ...