**Author details**

Kovacs Melinda Haydee<sup>1</sup> \* and Kovacs Emoke Dalma1,2

\*Address all correspondence to: haydee.kovacs.melinda@gmail.com

1 Research Institute for Analytical Instrumentation, INCDO-INOE 2000, Cluj-Napoca, Romania

2 Chemistry and Chemical Engineering Faculty, Babes-Bolyai University, Cluj-Napoca, Romania
