Quote:
Originally Posted by kai
Hello Ray,
It looks like you're essentially electroplating the copper from the dissolved brass onto the asang-asang.
On the blade, your results still do look suspicious to me. When I've seen effects from "contaminating" metals/alloys, the "deposit" seemed to be much more evenly distributed - at least if the blade was regularly moved in the etching solution to avoid erratic results.
Regards,
Kai
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Thanks very much for providing me with the formal term!!! The problem was that I did not regular move the blade in the mix, hence the erratic distribution.