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

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

Perolehan Kembali Logam Tembaga dari Limbah Printed Circuit Baord (PCB) oleh Leaching menggunakan Asam Klorida Konsentrasi Rendah dan Ekstraksi Cair-cair menggunakan LIX 84-ICNS = Recovery Of Copper Metal From Waste Printed Circuit Board (WPCB) by Leaching with Dilute Hydrochloric Acid and Liquid-liquid Extraction with LIX® 84-ICNS

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 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