I am trying to patina copper and silver mokume gane in an
ammonia/salt solution. It’s true that it’s a good patina for shakudo
(I got Steve Midgett’s Mokume Gane - A Comprehensive Study and gost
the recipe from there, I’m raving about the book, btw) but I was
hoping it would color the copper, too.
Problem is the recipe said household ammonia and I found no such
thing so I went to the Chemistry Institute and got some 25% technical
Can anyone please tell me what the concentration is in household
ammonia and weather I should dilute the stuff I have? And dilute with
Also, if someone has tried this patina on copper/fine silver mokume
I would appreciate any tips.
Thanks a million,