Pengaruh Ukuran Bola Milling Terhadap Sifat Katalitik Nanopartikel Magnetik U…

ABSTRACT Combination of magnetic nanoparticles such as hematite (α-Fe2O3) and magnetite (Fe3O4) was used as catalysts to degradate methylene blue in aqueous solution. Magnetic nanoparticles were obtained from natural sands of Sungai Suci beach, Pondok Kelapa District, Bengkulu Tengah Regency, Bengkulu Province through ball milling process. The natural sand was dried under the sun prior to…