Copper Sulfate Pcb Etching

A quick guide on how i go about mixing and etching with copper sulphate.

Copper sulfate pcb etching.

That s the end etchant. Copper ii sulfate also known as copper sulphate are the inorganic compounds with the chemical formula cu so 4 h 2 o x where x can range from 0 to 5 the pentahydrate x 5 is the most common form. Diane attends a poole printmaker s cour. The pentahydrate cuso 4 5h 2 o the most commonly encountered salt is bright blue.

Copper sulfate is defined as an irritant but can be bought online. I used a concentration of 4 parts water to 1 part copper sulfate assuming 1 kilo being one litre. It easily dissolves in water to a nice blue liquid. Eventually you etch so much that you convert all the cucl2 into cucl which doesn t dissolve copper and is a yucky brown color.

The electrolyt a traditional substance for eletric etching of copper and zinc seems to be copper sulfate. Artist diane roberts shows how to prepare and etch a zinc etching plate using copper sulphate and salt safe etch. In this video i etched a gift for my good friend the beard x16. The copper sulfate saline etch is a salt based etching mordant designed for silvery metals such as aluminum zinc and mild steel as a replacement to fredhard kiekeban s ferric chloride based edinborough etch used for etching materials such as copper and brass.

Cucl2 cu 2 cucl.