[1] Univ Fed Goias, Chem Inst, BR-74001970 Goiania, Go, Brazil
[2] Univ Fed Espirito Santo, Dept Chem, Petrole & Forens Lab, BR-29075910 Vitoria, ES, Brazil
[3] Fed Inst Educ Sci & Technol Espirito Santo, BR-29106010 Vila Velha, ES, Brazil
[4] Natl Inst Criminalist, Minist Justice, Fed Brazilian Police, BR-70610200 Brasilia, DF, Brazil