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.
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.
Artist diane roberts shows how to prepare and etch a zinc etching plate using copper sulphate and salt safe etch.
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.
Diane attends a poole printmaker s cour.
I used a concentration of 4 parts water to 1 part copper sulfate assuming 1 kilo being one litre.
That s the end etchant.
In this video i etched a gift for my good friend the beard x16.
Older names for this compound include blue vitriol bluestone vitriol of copper and roman vitriol.
Based on the copper sulphate mordant originally designed by nik semenoff and.
Cucl2 cu 2 cucl.
Copper sulfate is defined as an irritant but can be bought online.
It easily dissolves in water to a nice blue liquid.
The pentahydrate cuso 4 5h 2 o the most commonly encountered salt is bright blue.