Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

After reading all your posts, I can realize my mistake. Days ago,
(¿yesterday?) I draw on a paper the supposed chemical reaction, (on mi
limited Chemical acknowledgment) all the results where confusing to me: as a
result of reaction, never had FeCl3 pure, instead there always was CuCl (or
CuCl2) + FeCl3. I checked the formulas again, i went back to the periodic
table and neither heat, Hydrogen or evaporation gave me the answer.

As you say, perhaps a I don't "regenerate" FeCl, perhaps i only "reactivate"
FeCl and also, i don't get FeCl3, i think i have
a mix of FeCl2, CuCl and even water (since commercial hydrochloric acid come
diluted in water).

Now a question raises up my mind: are there some difference between using
FeCl versus CuCl?

YD said in his post "... still it seemed to work even better than when
new...", is that argument giving me an answer?

In the other side, at the first time i made this mix, before to put the HCL
on the FeCl, y made a test mixing HCL and H2O2, i got faster etching
results, but, I still have a kind of romantic feel to that old exhausted
brown liquid and its blue-or-something colored bottle :-) . Maybe some day,
I'll finally say goodbye to it.

Regards
--
Hector
--
El Pic no pudo Iniciar correctamente.
Inserte el disco de arranque y presione cualquier pin para continuar...


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