Hackaday (unofficial) August 31, 2023 3:00pm Copper Be Gone: The Chemistry Behind PCB Etching #chemistryhacks #featured #skills #acid #anisotropic #chemistry #copper #cupric #etching #ferricchloride #hydrochloric #isotropic #oxidation #pcb #peroxide #reduction #sodiumpersulfate #hackaday posted by pod_feeder_v2 Copper Be Gone: The Chemistry Behind PCB Etching For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive …