Do you know what is the process to clean silver recuperated from a
This Silver has been recuperated via an electrolytical process, but
is contaminated with a black stuff. The owner says it is carbon, but
I melted the metal and it remained with widespread black covering.
Also, when melting, it gave up a foul smell. I do not know what
chemicals do the photographic process use, but I want to know if it
Thank you for your input.
Juan Pablo Martenez Mansilla