Jatropha oil (JO) originating from Indonesia was obtained from the Bandung Institute of Technology (Bandung, Indonesia) and purified by degumming, neutralization, bleaching, and deodorization (vide infra). Aqueous hydrogen peroxide(30-wt%),ethylacetate( 99.0%),aceticanhydride ( 98.0%),sodiumchloride( 99.5%),andactivatedcarbon,