Copper Sulfate Pcb Etching
In this video i etched a gift for my good friend the beard x16.
Copper sulfate pcb etching. 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. The pentahydrate cuso 4 5h 2 o the most commonly encountered salt is bright blue. Cucl2 cu 2 cucl. Artist diane roberts shows how to prepare and etch a zinc etching plate using copper sulphate and salt safe etch.
The electrolyt a traditional substance for eletric etching of copper and zinc seems to be copper sulfate. Copper sulfate is defined as an irritant but can be bought online. After you ve dissolved a lot of copper into the solution and used up all the peroxide the copper chloride does most of the etching for you. 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.
It easily dissolves in water to a nice blue liquid. Diane attends a poole printmaker s cour. That s the end etchant. Older names for this compound include blue vitriol bluestone vitriol of copper and roman vitriol.
A quick guide on how i go about mixing and etching with copper sulphate.