Is the "Gold Corner" BGA chip a hidden gem or a waste of time? I was offered a massive lot of these specific chips, but I never buy blind. In this video, I process a 250g test sample to find the exact gold yield per kilogram. From pyrolysis and grinding to the final Aqua Regia drop, follow along to see the full recovery process and the final math.
The Breakdown:
Sample Size: 250g (125g of chip tops)
The Process: Incineration, Milling, Nitric Leach, and Aqua Regia.
The Goal: Determine if these chips are worth the bulk purchase price.
⚠️ Safety Warning: Gold refining involves hazardous acids and toxic fumes. This video is for educational purposes. Always use a fume hood and proper PPE.