June 19 2024 at the Dean's Meeting Room, 2nd floor, Faculty of Mathematics and Natural Sciences, UGM, the Closed Examination for the Chemistry Doctoral Program was held in the name of Dr. Lia Destiarti, S.Si., M.Sc. and declared passed by the Examining Team and Promoter. The title of the dissertation being tested is entitled "Synthesis of graphene-based materials for working electrodes and their application for the determination of mercury and lead ions using square wave anodic stripping voltammetry". This Chemistry Department lecturer managed to complete his studies on time with brilliant grades. With the graduation of Dr. Lia Destiarti will further strengthen the Doctoral teaching staff at FMIPA Untan, especially in the Chemistry Department The entire family of the Chemistry Department Academic Community would like to congratulate and succeed on the doctoral degree that Dr. Lia Destiarti, S.Si., M.Sc. I hope you will be more successful and the knowledge gained will be useful for many people