| Full text | |
| Author(s): |
David D. S. Fernandes
[1]
;
Adriano A. Gomes
[1]
;
Marcelo M. de Fontes
[2]
;
Gean B. da Costa
[2]
;
Valber E. de Almeida
[3]
;
Mario C. U. de Araújo
[6]
;
Roberto K. H. Galvão
[7]
;
Germano Véras
[8]
Total Authors: 8
|
| Affiliation: | [1] Univ Fed Paraiba, Dept Quim, Lab Automacao & Instrumentacao Quim Analit Quimio, BR-58051970 Joao Pessoa, Paraiba - Brazil
[2] Univ Estadual Paraiba, CCT, Programa Posgrad Ciencias Agr, BR-58429500 Campina Grande, PB - Brazil
[3] Univ Estadual Paraiba, CCT, Dept Quim, BR-58429500 Campina Grande, PB - Brazil
[4] Universidade Federal da Paraíba. Departamento de Química. Laboratório de Automação e Instrumentação em Química Analítica/Quimiometria - Brasil
[5] Instituto Tecnológico de Aeronáutica. Divisão de Engenharia Eletrônica - Brasil
[6] Universidade Estadual da Paraíba. Departamento de Química - Brasil
Total Affiliations: 6
|
| Document type: | Journal article |
| Source: | Journal of the Brazilian Chemical Society; v. 25, n. 1, p. 169-175, 2014-01-00. |
| Abstract | |
A method for detecting adulterations of biodiesel/diesel blends (B5) with soybean oil using UV-Vis spectrometry is proposed. The study involves 90 samples comprising B5 blends with and without the addition of soybean oil (0.5 to 2.5% v/v). Suitable discrimination was achieved by using SIMCA (soft independent modeling of class analogy), KNN (K-nearest neighbors), PLS-DA (partial least squares discriminant analysis) and SPA-LDA (linear discriminant analysis with spectral variables selected by the successive projections algorithm) classifiers. (AU) | |
| FAPESP's process: | 11/17610-0 - Monitoring and control of dynamic systems subject to faults |
| Grantee: | Roberto Kawakami Harrop Galvão |
| Support Opportunities: | Research Projects - Thematic Grants |