1. Department of Analysis, Tests and Testing, National Research &
Development Institute for Chemistry and Petrochemistry ICECHIM, 202 Splaiul Independentei Str.,
060021 Bucharest, Romania; Department of Analytical Chemistry and Environmental Engineering,
Faculty of Applied Chemistry and Materials Science, “Politehnica” University of Bucharest,
Polizu Str. 1–6, 011061 Bucharest, Romania
2. Department of Analytical Chemistry and Environmental Engineering,
Faculty of Applied Chemistry and Materials Science, “Politehnica”
University of Bucharest, Polizu Str. 1–6, 011061 Bucharest, Romania
3. Department of Analysis, Tests and Testing, National Research & Development Institute for Chemistry and Petrochemistry ICECHIM, 202 Splaiul Independentei Str., 060021 Bucharest, Romania
4. Department of Analytical Chemistry and Environmental Engineering, Faculty of Applied Chemistry and Materials Science, “Politehnica” University of Bucharest, Polizu Str. 1–6, 011061 Bucharest, Romania