About author : Jony Mallik* Department of Pharmacy, Southern University Bangladesh, Chittagong-4200. *e-mail: jonypharmapub@gmail.com INTRODUCTION Pharmaceutical analysis has greatest importance in pharmaceutical science, specially in terms of Research & Development (R&D), Drug-Product design, Quality Control Department of a Pharmaceutical Industry. Among the number of spectroscopic analytical techniques, Mass Spectrometry occupied a large area of whole analytical zone. The very important ... Read More »