**Multivariate Data Processing in Spectrophotometric Analysis of Complex Chemical Systems**

Zoltan Szabadai2, Vicenţiu Vlaia2, Ioan Ţăranu1, Bogdan-Ovidiu Ţăranu1, Lavinia Vlaia2 and Iuliana Popa1 *1National Institute of Research-Development for Electrochemistry and Condensed Matter, 2University of Medicine and Pharmacy "Victor Babeş", Romania* 
