A research has been conducted on fabrication of activated carbon of Eucalyptus pellita wood with various ratios of carbon and potassium hydroxide of 1:0.25, 1:0.5, and 1:0.75, respectively. Chemical activation was conducted by adding the potassium hydroxide for 20 hours and microwave irradiation with its output power of 630 Watt for 20 minutes. The aim of this research was to analyte the effect…