1. Analytical Chemistry
and Chemometrics Group (GQAQ), Department of Chemistry, Institute
of Exact Sciences, Federal University of Juiz de Fora, University City, Juiz de Fora, Minas Gerais 36036-330, Brazil
2. Center of Competence
in Petroleum Chemistry (NCQP), Laboratory of Research and Development
of Methodologies for Analysis of Oils (LabPetro), Chemistry Department, Federal University of Espírito Santo, Avenida Fernando Ferrari, 514, Vitória, Espírito Santo 29075-910, Brazil
3. Cenpes, Petrobras, Rio
de Janeiro, Rio de Janeiro 21941-598, Brazil