Comparative study of electrochemical leaching between multilayer used PCB and double layer plain PCB using sulfuric acid (H2SO4) with concentration variables = Studi perbandingan elektrokimia pada proses pelindian Printed Circuit Board (PCB) bekas multilayer dan Printed Circuit Board (PCB) double layer menggunakan larutan asam sulfat (H2SO4) dengan variable konsentrasi

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

Pengaruh konsentrasi karbon aktif terhadap peningkatan kadar logam emas pada pelindian limbah printed circuit board dalam media asam klorida = Effect of concentration of activated carbon to gold metal recovery of printed circuit board leaching in hydrochloric acid

Generation of precision artwork for printed circuit boards

Pengaruh Penambahan Partikel Non-logam Hasil Daur Ulang Printed Circuit Board dan Surfaktan Sodium Dodecylbenzene Sulfonate sebagai Media Pendingin Micro dispersed fluid pada Proses Quenching Baja AISI 4140 = The Influence of Adding Non-metal Particle from Recycled Printed Circuit Boards and Sodium Dodecylbenzene Sulfonate Surfactant as a Nanofluid Cooling Medium on the Quenching Process of AISI 4140 Steel