Buhani Buhani
* Corresponding Author Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universiity of Lampung, Jl. Soemantri Brojonegoro No.1 Gedung Meneng Bandar Lampung 35145
Narsito Narsito Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Gadjah Mada University, Sekip Utara Yogyakarta 55281
Nuryono Nuryono Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Gadjah Mada University, Sekip Utara Yogyakarta 55281
Eko Sri Kunarti Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Gadjah Mada University, Sekip Utara Yogyakarta 55281