Copper Sulfate Pcb Etching

I used a concentration of 4 parts water to 1 part copper sulfate assuming 1 kilo being one litre.

Copper sulfate pcb etching.

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. 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. 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.

Cucl2 cu 2 cucl. Eventually you etch so much that you convert all the cucl2 into cucl which doesn t dissolve copper and is a yucky brown color. Diane attends a poole printmaker s cour. Artist diane roberts shows how to prepare and etch a zinc etching plate using copper sulphate and salt safe etch.

Based on the copper sulphate mordant originally designed by nik semenoff and. The electrolyt a traditional substance for eletric etching of copper and zinc seems to be copper sulfate. Older names for this compound include blue vitriol bluestone vitriol of copper and roman vitriol. Copper sulfate is defined as an irritant but can be bought online.

The pentahydrate cuso 4 5h 2 o the most commonly encountered salt is bright blue.