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"Iron plating on copper"


Well, I have requirement to plating iron on copper profiles. Although, I found on internet some method for this process (e.g. ferrous(II) chloride, calcium chloride etc.) but I did not found anything about pretreatment of copper before iron plating.
So, if someone can proceed me in total process of iron plating of copper (pretreatment condition, plating condition (current density, composition of electrolytic solution, etc.) I will be grateful.

Thank you and best regardes

Mario Buzuk
ktf - Split, Croatia


Try to visit (or contact via e mail) Electrochemistry institute in Zagreb. They have some very good books on electroplating subject (especially Dettner/Elzes handbook Hanbuch der galvanotechnik)! Good luck!

Goran Budija
- Zagreb, Croatia


In my free time I make engravings(dry-points, etchings, etc.) and I electroplate the copper with iron to get a harder surface and be able to print more copies.
I have obtained the best results (brightness + hardness) with alcalyne-organic baths (pH =10...12): I have used for years the ferrocyanure bath from Boettger and now a sodium gluconate + Fe-sulfate bath (easier to prepare).
(Note1: pH high alone makes iron and nickel deposits very bright and hard, but in the case of iron, inorganic baths do not work with high pH as Fe hydroxide precipitates).
(Note2: I tried an inorganic, high pH, nickel bath and worked wonderfully but nickel is difficult to remove from copper without any damage to the plate and for this reason is not much appreciated by the artists which often want to modify the plate).

But these organic baths do not take any iron from the anode, owing to the high pH, so they have to be replaced often, and are very expensive.
QUESTION: Is there a way to return to the bath the lost iron, without changing the properties of the bath? I am thinking of using iron hydroxide but I fear that it will be not be solved as the pH is so high.

Francesc Casanellas
Hobbyist - Aiguafreda (Barcelona), SPAIN

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