CHAIN IRON/COPPER REMOVAL UNIT
Gold chain in the concentrate is often coated with iron & copper. Should be allowed to pickle in the boiling acid bath for a least a half-hour.
Remove iron & copper from the chain efficiently.
Gold chain in the concentrate is often coated with iron & copper. Should be allowed to pickle in the boiling acid bath for a least a half-hour.
Remove iron & copper from the chain efficiently.