DrScrabs - 16-7-2018 at 11:13
The title says all, I have no idea how to get rid od the carbon impurity, does sb have an idea?
Loptr - 16-7-2018 at 11:32
Sublimation?
If you are just looking to clean it up, there is a dichromate wash that seems to work very well.
[Edited on 16-7-2018 by Loptr]
DrScrabs - 17-7-2018 at 06:53
Thanks, great help, did not think about that 