Hello everybody. I am new to this forum.
I'd be happy if someone could help me with the following:
I've attached pictures of my gold chloride solution (yellow color) & the subsequent powder after drying (a mix of white, blue...green...yellow fades). Got it after treating circuit boards with HCl & Sodium Hypochlorite.
My problem is: what should I do now to remove the base metals?
Thanks in advance.
I'd be happy if someone could help me with the following:
I've attached pictures of my gold chloride solution (yellow color) & the subsequent powder after drying (a mix of white, blue...green...yellow fades). Got it after treating circuit boards with HCl & Sodium Hypochlorite.
My problem is: what should I do now to remove the base metals?
Thanks in advance.