First ever batch. Placed in four days ago. Doing White Distilled Vinegar and Salt (NaCl) with an air bubbler in the container. Total batch 400mL; small to test my ratios and process before I place in a lot of gold.
Material is from 3 cell phones. The pins, the fingers and two boards that had gold around the edge of the board and circles of gold where the keyboards were.
Day 1 - Turned blue and could see small pieces of gold moving around.
Day 2 - Went cloudy white (CuCl) so I drained off some of the liquid and topped back up to 400mL with more vinegar.
Day 3 - Solution was clear with white precipitate covering everything like snow. When stirred no gold flakes present. Took liquid off and began washing everything to get the powder off. Super time consuming and what gold there was had broken down into REALLY small flakes. Added liquid back after it had settled for an hour and restarted the process.
Day 4 - Clear AP again with white powder and this time the boards and pins all had copper where the gold was. When I scrapped at the copper on the boards there was the gold underneath it!?!
Why is the copper attaching to the gold? I am missing something somewhere and here I thought I had the process down pretty clearly.
Material is from 3 cell phones. The pins, the fingers and two boards that had gold around the edge of the board and circles of gold where the keyboards were.
Day 1 - Turned blue and could see small pieces of gold moving around.
Day 2 - Went cloudy white (CuCl) so I drained off some of the liquid and topped back up to 400mL with more vinegar.
Day 3 - Solution was clear with white precipitate covering everything like snow. When stirred no gold flakes present. Took liquid off and began washing everything to get the powder off. Super time consuming and what gold there was had broken down into REALLY small flakes. Added liquid back after it had settled for an hour and restarted the process.
Day 4 - Clear AP again with white powder and this time the boards and pins all had copper where the gold was. When I scrapped at the copper on the boards there was the gold underneath it!?!
Why is the copper attaching to the gold? I am missing something somewhere and here I thought I had the process down pretty clearly.