Insert a small quantity of urea to your acid to provide the pH degree down to usual. The quantity will vary enormously with Each individual batch, and depends upon the acid focus and the quantity of metal dissolved. I crushed two (2) pentium Professional chips extremely fine and ran them https://scrapetestgoldonceramic87654.total-blog.com/little-known-facts-about-gold-von-cpu-trennen-54757999