Pengaruh konsentrasi oksidator H2O2 dan MnO2 terhadap recovery logam emas dan tembaga pada pelindian printed circuit board dalam media asam klorida = The effect of H2O2 and MnO2 oxidizing agent concentration on the recovery of gold and cooper metals in printed circuit board in chloric acid leaching media

Pengaruh jenis dan konsentrasi larutan leaching terhadap recovery logam emas dan tembaga dari hasil daur ulang printed circuit board = Effect of type and concentration of leaching solution towards the recovery of gold and copper metals from recycled printed circuit board

Studi elektrokimia pelindian tembaga pada printed circiut board menggunakan larutan asam nitrat (HNO3) dengan variasi konsentrasi asam nitrat dan waktu celup = Electrochemical study of copper leaching in printed circuit board with nitric acid solution (HNO3) using variation of nitric acid concentration and immersion time

Studi elektrokimia pada printed circuit board menggunakan larutan asam sulfat dengan variasi konsentrasi asam sulfat dan waktu celup = Electrochemical study of printed circuit board leaching process using sulfuric acid solution with variation of sulfuric acid concentration and immersion time

Studi elektrokimia tembaga dari printed circuit board (PCB) dengan larutan asam klorida (HCl) dan aditif hidrogen peroksida (H2O2) = Electrochemical study of copper leaching in printed circuit board with hydrochloric acid (HCl) and additive hydrogen peroxide (H2O2)