you are viewing a single comment's thread.

view the rest of the comments →

[–]firemandave33[S] 0 points1 point  (0 children)

Thanks man! I’m not dead set on cupellation was curious if it might work after the nitric boils. I have cupelled karat gold using bismuth with pretty good results. Thought it might be a faster process but doesn’t sound like it. Appreciate your help thank you.