I boilled 20 fiber CPU's in concentrated NaOH solution.
NaOH didn't dissolve solder.
Silicon waffers dissolved. And gold plate disappeared!!!!!! When I took CPU's out of a solution after boiling it for few hours, all the pins become light grey.
I cant see no gold foils swiming in a solution, what happend to it?
NaOH didn't dissolve solder.
Silicon waffers dissolved. And gold plate disappeared!!!!!! When I took CPU's out of a solution after boiling it for few hours, all the pins become light grey.
I cant see no gold foils swiming in a solution, what happend to it?