Cucl2 cu 2 cucl.
Copper sulfate pcb etching.
Copper sulfate is defined as an irritant but can be bought online.
Eventually you etch so much that you convert all the cucl2 into cucl which doesn t dissolve copper and is a yucky brown color.
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.
A quick guide on how i go about mixing and etching with copper sulphate.
The electrolyt a traditional substance for eletric etching of copper and zinc seems to be copper sulfate.
That s the end etchant.
Older names for this compound include blue vitriol bluestone vitriol of copper and roman vitriol.
It easily dissolves in water to a nice blue liquid.
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.
I used a concentration of 4 parts water to 1 part copper sulfate assuming 1 kilo being one litre.
The pentahydrate cuso 4 5h 2 o the most commonly encountered salt is bright blue.
Based on the copper sulphate mordant originally designed by nik semenoff and.