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Mostrando ítems 1-10 de 1873
CLASSIFICATION OF BRAZILIAN COFFEE USING NEAR-INFRARED SPECTROSCOPY AND MULTIVARIATE CALIBRATION
(Taylor & Francis IncPhiladelphiaEUA, 2012)
Calibração multivariada associada à ressonância magnética nuclear na caracterização de petróleos
(Universidade Federal do Espírito SantoBRPrograma de Pós-Graduação em QuímicaUFESMestrado em Química, 2019-02-22)
O uso da espectroscopia de ressonância Magnética Nuclear (RMN) associada com ferramentas quimiométricas tem se tornado uma metodologia eficiente para estimar propriedades físico-químicas de petróleos brasileiros com sua ...
Evaluation of SIMCA and PLS algorithms to detect adulterants in canola oil by FT‐IR
(Wiley Blackwell Publishing, Inc, 2020-10)
Adulteration of canola oil with four potential edible oils was analysed using FT‐IR and chemometric methods. The adulterants (corn, peanut, soybean, and sunflower oils) were studied in four different proportions (canola ...
NIRS and iSPA-PLS for predicting total anthocyanin content in jaboticaba fruit
(Elsevier B.V., 2015)
Uso da espectroscopia do infravermelho próximo e técnicas multivariadas para diferenciar escherichia coli e salmonella enteritidis inoculadas em polpa de fruta (abacaxi)
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em QuímicaFísico-Química; Química, 2013-07-31)
Aiming to consumer s safety the presence of pathogenic contaminants in
foods must be monitored because they are responsible for foodborne outbreaks
that depending on the level of contamination can ultimately cause the death ...
Developing a four-dimensional voltammetry as a powerful electroanalytical methodology for simultaneous determination of three colorants in the presence of an uncalibrated interference
(Elsevier Science, 2019-04)
In the present study, we have developed a novel electroanalytical method based on coupling of four-way multivariate calibration (MVC) models with third-order differential pulse voltammetric (DPV) data for simultaneous ...
Determinação do teor de biodiesel de crambe em diesel usando PLS-DA e ressonância magnética nuclear de hidrogênio (RMN 1H)
(Universidade Federal de UberlândiaBrasilQuímica Industrial, 2022)
Controle de qualidade de azeite de oliva extra virgem e misturas diesel/biodiesel utilizando espectrometria de massas e validação multivariada
(Universidade Federal de Minas GeraisUFMG, 2014-09-25)
Aiming at merging modern mass spectrometry techniques (electrospray ionization mass spectrometry - ESI-MS and easy ambient sonic-spray ionization mass spectrometry -EASI-MS) with chemometric methods (partial least squares ...