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- Fri Dec 22, 2017 9:43 am
- Forum: Plating and Pressing
- Topic: de-silvering process (laquer & master)
- Replies: 4
- Views: 2413
Re: de-silvering process (laquer & master)
On a yellow brass surface was put a 100-200 nm thick Ag-layer. soaked in a close recpie to the mentioned one, by you. 33 g NH3 (25%), 33 g KOH (500 g/L) und 33 g dest. Wasser. Nothing happened. Chemical discussion will follow - if motivated ;-). So far: Just soaking in NH3 (25%) or KOH (50% wt) didn...