Nanoparticles Synthesis (chemical) Acidic environment 1 Analytes 1 Binary alloys 1 COD 1 Carbon 1 Carbon electrode 1 Carbon steel 1 Carbon-based 1 Characteristic and properties 1 Chemical-oxygen demands 1 CoFe 1 Cobalt 1 Controlled temperature 1 Copper 1 Copper-based 1 Corrosion 1 Corrosion rate 1 Corrosion resistance 1 Corrosive effects 1 Crystalline materials 1 Crystallinity 1 Cu or Cu2O-modified carbon electrodes 1 Cu or cu2O-modified carbon electrode 1 Deionized water 1 Domestic appliances 1 Electrochemical electrodes 1 Electrochemical sensors 1 Electrodeposition 1