Inhibition Kinetics of Sida rhombifolia L. Extract Toward Xanthine Oxidase by Electrochemical Method - Iswantini, Dyah; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Jl. Agatis Kampus IPB Darmaga, Bogor, West Java, 16680; Biopharmaca Research Center, Bogor Agricultural University, Jl. Taman Kencana No 3, Bogor, West Java, 16151 (Universitas Gadjah Mada, 2014)