1. Laboratory of Analysis Trace-LAT, Analytic Chemistry and Physical-Chemical Department, Federal University of Ceará, Organic and Inorganic Chemistry Department, Federal University of Ceará
2. Laboratory of Organic Electrochemistry, Chemistry Department, Rio Grande University
3. Laboratory of Analysis Trace-LAT, Analytic Chemistry and Physical-Chemical Department, Federal University of Ceará
4. Laboratory of Remediation of Underground Waters, Engineer Environmental Department, Federal University of Santa Catarina